@@angelamarie88most of these inverters accept only 12 volt. More expensive ones can run on 24 or higher. In the case of a 12 volt, you must increase amperage to increase wattage. Remember that wattage = voltage x amperage. For this 2000watt 12 volt inverter you’ll need 2000/12 amps to run at maximum wattage. That’s 167 amps. Each of those 100ah batteries can supply 100 amps maximum (due to the bms rating). Therefore, at least two batteries in parallel can provide enough amps to use the inverter.
It’s also worth knowing you can do both not at the same time, but you can connect batteries in parallel then connect the parallel sets in the series if you want
First and last battery in this setup will suffer the most. Middle ones at least. Better hook up all plus and all minus poles separately to a thick copper bus bar with exact same cable length to ensure the best longevity
Yes I would add a fuse. There's no time to explain those details in a shorts video. They are limited to 1 min or less... Thanks for the input.@@tommyt414
@@JLPicard440 no need to really explain it, just showing the current generation that things "work ok" without a fuse is enough to give them dangerous ideas. I just had this conversation with my sibling who is 13 years younger than me because that's how a lot of stuff is shown for demonstrations, and the dots didn't fully connect.
@@JLPicard440 In fact, you should have a fuse on each battery. As it is now, if one battery suffers a shorted cell, it will be provided with a ton of amperage from the other two or three.
connect 4 of them in series and get a 48v inverter. you ll just need a 8AWG cable to make the connection. Do not need to worry about cables heating up... or flexibility... nor high cost!
Wow! I like to thank you for this video. I did my Owen Van built starting from scratch. When it came to the electrical installation, that was a technical process of understanding the wire size and Amps and voltage. So far my eléctrica is working fine, but the 4/0 wire overheated when I use an appliance. In this video of parallel connection the inverter positive wire is connected to the first battery positive and the inverter negative wire is connected to the third battery negative. I over look that in my electrical installation, this may be what casing the problem. I will still need another cable to extend my inverter negative cable to the correct battery negative terminal. A++ on this video.
HI! Thanks for the feedback... 😀. I believe the wire size for this inverter should be around 2/0... If you're using 4/0 that should be more than big enough!
@@JLPicard440 Yes it is, but I don’t understand why is it doing that! If I use an appliance, like my stovetop, this is a 1500w and my inverter is a Victron multi plus 3000w I am puzzled. My stovetop use a 14gauge wire and I’m using a 15amp Circuit breaker. I found out that even dough I am designating the breaker just for this stovetop it is fine, but a better precaution is to use 12gauge wire instead. I’ll have to do some reconstruction to get behind the wall and place new wire. It is difficult to do that when you don’t have a place to shelter while doing a reconstruction. 😕
Do you mean shelter from the cold? If so, Yes I understand that... I'm from VA. It gets pretty cold there when you've got some outside work that needs done.
@@JLPicard440 Yes, that what I mean. I live in Boston, Ma and in my first winter in the van, it drop -9 here in Boston. But everything in the van was working perfectly, it still is. Even dough my pluming is in side the van, it froze but not the tank. I end up buying a small electric heater to heat up the plumbing aria juts to melt the possible ice in the pipe. It only took 15Min and then, I was fine after that. Still enjoy my Van build. I have not yet traveled due to a injury case that need to be close, so I must stay in place for now.
You can use the battery cables out of any semi that has more then 2 batteries for this and you can get them from any truck salvage yard or have any parts store build them for you. I've been a mechanic all of my life and and a diesel mechanic too. You can use higher amp batteries for this application and use less batteries or more batteries for a longer run time but it takes longer to charge them backup.
Yep those should be heavy enough.. I used to be in trucks so I know a bit about that... Had a dump truck with 4 batteries and some heavy cables! Don't know what gauge, I believe the correct cable size for this application with a 2000 w inverter would use a 2/0 cable...
@@JLPicard440se è a 12.8volt da 2000watt is175amper 70mm2 70cm positiv end 70cm max negativ se 25.6v 35mm2 ok 51.2v 16mm2 for 2000watt max 2500watt up 5000watt in 51.2v 35mm2 is ok
October2823/0133h 🇺🇸 Thank you for the demo. But there was no mention of what type of battery, they are. Is it flooded or prismatic cells with built in BMS. And also some light on what Inverter that was. And its output (110AC or 220 AC) These infos are highly necessary when you illustrate your project to public. Remember the whole world is watching your presentation. Best wishes.
If you want to make sure your batteries always stay in balance, you should follow the manufacturer suggestion when you do your series wire then each terminal should go to a Busbar one for positive another for a negative run your load from that your batteries will thank you for it
Is there a specific reason why you connected the inverter positive terminal to the 3rd battery and the negative to the first battery, or is it because that's how you like?
HI, trying to balance the load from each battery... You could also connect both leads to center battery if the leads going to the other 2 are about the same length.
Can i series those? Will the 2000watt inverter handle it or just go raw and leave the inverter out like the way it was done in the old days ,never had fires always enough power to run like forest gump like when all those metal parts broke off and he was cruising ,whatcha think?
Yes Forest was a runner! You would series them if you have an inverter that is made for 24 volts or more. You wouldn't want to series the batteries on a 12v inverter.
When using 3 batteries do you have to run 1 wire from the first battery to your inverter then the 2nd wire from the 3rd battery or can both wires come off the first battery and go to the inverter?
I would run it so it's somewhat balanced. You can also run from the middle battery and have the heavy wires going from the middle battery to the 2 end batteries. You can google different scenarios for running 3 batteries in parallel and also look at your manufacturer website to see what they recommend as well...
Ok, base on your question. It is possible to do exactly that! Only at the beginning of your question. But not the second as you mentioned! It is not recommended! “ Connecting the positive and the negative on each of the terminals of the first battery”. However,…having 3 Battery, the negative wire from the inverter goes to the first negative of the first battery, and the positive of the inverter goes the the third battery positive terminar. Please be advised that it is very important to use the right fuse on the positive terminal of the third battery. If all battery are 100 Amp each, you need a minimum or 300 Amp fuse, but it is recommended to use a 350Amp fuse.
@@Salsadepr40Excuse me for jumping in, but there is no such thing as a "100 Amp battery." Edit: I stand corrected per Captain Picard's post. I'm an old lead-head. My batteries - as old and tired as I am - I would still count on to deliver thousands of amperes in the event of a short circuit. Long enough to blow the redundant 400A fuse at least. Battery _capacity_ is often rated in amp-hours (abbreviated about a dozen ways like Ah, A-H etc) but that's not the same as amperes, which is the unit of the instantaneous rate of current flow, not battery capacity. EdIt: (for those of you who were in need of a bit of pedantry.) In theory, a 100 Ah battery could supply 1 amp for 100 hours, or 10 amps for 10 hours, or any combination of current in amperes and time in hours that multiplies to 100. Edit: solid theory In practice, the faster you draw current, the higher the internal losses, and the less energy you'll be able to get out of the battery. Most battery ratings in Ah are based at a 20 hr rate, e.g. 5 amps for a 100 Ah battery, but you need to check the manufacturer's specs if it isn't printed on the battery. Edit: and now we get to more lead-head stuff. Then of course there's the issue that flooded lead-acid batteries will have a relatively short service life if you regularly discharge them more than 50 %. It's a complex subject. Edit: Yes, myself from yesterday. As it happens I am at the point where I have to replace my aging bank before next winter. All options are open including... lead-carbon! (Lead, Timmy: sure it's heavy and toxic but it's amongst the most successfully recycled materials.)
HI, I know that... These LiFePO4 batteries have a BMS inside. The ones in the video have a 50 amp max output controlled by the BMS so that it doesn't over discharge or short out. They are also rated at 50ah. I also have other batteries with a 100 amp max continuous out... with a 280 amp 5 second surge. The batteries are also rated for 100 ah capacity... You could still say it's a 100 amp battery since that's it's max rated output... 😊. Especially if you need to know what kind of amperage you're dealing with so you can choose wire size and fuse size.
Are your cables sufficient for the max current now available from batteries in parallel? I think that’s the main issue, as well as the quality of the crimping (and not welding) of the terminals: you need the proper tool. Also you might make the short cables as short as possible, but not too short, not straight: they need some flex for dilatation.
Perché è giusto così positivo batteria 1 e negativo batteria 3 is correct per equalizzare il consumo in tutte e 3batterie positivo e negativo in batteria 1 no good batteria 1 si carica e scarica prima delle altre così oppure con una busbar is good batteria 1 positivo in busbar batteria 2positiv in busbar batteria 3positiv in busbar poi inverter in positivo busbar e egual negativo busbar is ok
whilsted I like the simplicity of this explaination. The Warnings are missing. 1. you need to load balance prior to connecting it. 2. Depending on the wiring diameter you may need to upgrade the cables to wider diameter. 3. Dont mix the battery chemistries 4. Some Battery chemistries may need additional charge controllers 5. dont light your stuff on fire.
HI, thanks for the info! A shorts video is limited to 1 min or less... There's a very limited amount of time to fit all that in... Hopefully someone will read your comment and put it into their memory banks.. 😀
If you have an inveter and are looking to add a second battery, is it a positive from the invertor on second battery and negative on first? Is it also the same with the positive and negative coming from the charge controller? Thanks for any help.
Hi... If you have 2 batteries I would pull a positive from one and a negative from the other. Both batteries will have wires between them making it a parallel connection red to red/ black to black. The charge controller should only have 2 wires... Yours has more?
@JLPicard440 two wires on the charge controller thing to figure out should I connect the positive from the charge controller to one battery and the negative to the other?
In-line fuses and a master switch. Put everything in a nice box on wheels add a couple of 6” fans both ends PLUS a co2 extinguisher 🧯 kit (can also be got in tube format). Great info ℹ️ ❤
Sir could be possible if I want to make a parallel (12 v, 100ah x2) then I series it with 12v 200ah...in other term 12v 100ah x2 + 12v 200ah...thank in advance for feedback
HI! That's a very good question... I believe the rules are (Parallel: Different Voltage= NO / Different Capacity= OK) (Series Different Voltage=OK/ Different Capacity=NO). Technically what you've proposed there does fit with those rules. I can only say I think it'll work, but I would do more research to be sure... 😊
You know how the packaging on battery operated anything says not to mix different kinds of batteries? That still applies with larger batteries. In fact the result will be that much worse. I haven't seen a battery explode, but I've been told that it can happen with little warning and do quite a bit of damage.
What is the difference of where you come off the battery set to the load? Any reason you couldn’t come off the pos and neg at the battery closest to the load?
No particular reason. You could also tap from the middle battery would be a good place. IF there are 4 batteries there is no middle battery so the first and the last will work too...
@@ryanjones9305 Yes probably... although I have a 10 amp charger to charge 1 50 ah battery. If you put 3 or 4 batteries on there simultaneously, I'm not sure it can handle it.. 😀
There’s a reason why that jumper cable is cheaper than buying proper 4AWG or 2AWG cable. That jumper cable is almost certainly copper coated aluminum, meaning you’d need at least 1/0 AWG to properly feed that inverter for a 2000W output.
@JLPicard440 I was gonna comment the same, buy oxygen free copper wires, perfectly 2gage or 0gage, also make sure that you also have a ground connected also to an actual ground, in the car you can use the engine block or the chassis(body of the car is paint coated but if you don't mind scratching a bit of the pain body could work too)
I have one question Please answer me its an idea in my mind 2 12v batteries in series for charging And take parallel cable to run 12v inverter ia it possible
HI, if you've got them hooked to a solar system with charge controller and the works, then the system is either made to work on 12V or 24V. I don't think you can mix them unless your charge controller can switch to both (not at the same time). I would probably leave it one way or the other.
@@JLPicard440 like i want to charge battery in series 24v And take (+-)(+-)cable from 2 battery and to run 12 inverter Or i need step down regulater to convert 24v into 12v to run inverter
@@jasonbourne7171 I could be wrong but I don't see a way to connect the batteries in series and parallel at the same time... Unless I'm misunderstanding what you mean...?
Yes its nice and ok. Only coment of course reduce lenght of cable as possible. Because at 1 kw output at 12v is aprox 100amp at input so high diameter and short cable to input of inverter. :-) othervise increase lost energy.. output 240v ac can use standart extention cable .. good job :-)
im doing the same because i cant afford lifepo4 batteries so im buying 7ah or 12ah 12v and im con necting them to parallel, for now i have x2 7ah and x12ah batteries and i ordered x2 12ah batteries so i can have a total of 50ah since i use a 500w inverter
HI... It sounds like you're mixing battery capacities... The manufacturers don't recommend do to that. They always say to use matching batteries.... Just letting you know.. 😊
@@JLPicard440 yeah but never had problem with that, because when you have to build li'ion battery packs you'll also use unmatched batteries. just letting you know ☺️
Hook the cables to the inverter to the center battery with cables going each way. When doing cranking battery cables. The cables to the starter should be thicker
OK so what about adding extra cables for example to run my diesel heater do I do the same here with the positive on the third and negative battery or do I just choose any one battery to connect the diesel heater 🤔
Does the heater run on 12 volts? If so, you can connect it like I have it or connect it to the center battery if there are equal length cables running from the center battery to the other 2..
@@JLPicard440 yes it's 12 v diesel heater so I'll power the same way as the inverter described here. Thanks . I'm also adding a fuse to the positive cables .
@@JLPicard440 thankyou aswell . Can you recommend what amp fuses I should go for ? , I'm running two 100ah hours batteries with one 2000w inverter although I would probably never exceed more than 400 Watts.
HI ... most 100ah LiFePo4 batteries probably have a BMS module that limits the amperage to around 100AMPS.... So you have 200A available. I believe the 2000 Watt inverter will draw close to 170 amps at full load... If you're not planning to connect to full load you could go with 100A fuse and be fine. But will probably blow if you run the inverter to full potential..@@desendean6488
What if we take positive and negative from one of these 3 batteries. Connecting plus minus to first battery or third battery or middle battery, will it be fine?
HI, you'd be better off to take it from the middle battery. That way you have equal length cables going from the middle battery to the other 2. Hope that helps.. 😁
As long as your cables are big enough and you've got an inline fuse I wouldn't hesitate at all... That inverter is designed for 12v... 😀. But I agree 24v is better...
You're just flat out wrong. I've installed much higher output inverters than this into commercial vehicles that run off of 12v systems for simplicity. They always had an additional alternator, or one very high output alternator (depending on the kit/brand), and sometimes an auxiliary battery to help feed it properly. I've seen inverters in the 5kw and 6kw range. They're insanely expensive and pretty much unavailable outside of commercial equipment vendors.
Yes absolutely! If you have 2 100ah batteries you would connect them together in parallel and tap the + on the one battery and the - from the other one... But not absolutely do not connect a 100ah and a 200ah together in parallel. That would probably not work out real well.. Or (2) 100ah batteries with a 200 ah battery as you stated... The batteries need to match as close as possible.
Hi, with parallel you're adding to the amperage that each individual battery can produce but keeping the voltage the same. With series you're keeping the amperage, but adding to the voltage. Depending on what voltage your inverter is made for, series may not be an option. With series if you're using a higher voltage inverter like 48V for example, you'd want to use series to get the voltage up that high... hope that helps.
@@JLPicard440 Hello please, l need your help, l install a 3000kw inveter, connect with 2x 550w solar panels, and 2x 200HA batteries , all connected in series, But when l switch on the inveter , the Solar charge indicator does not appear on the screen display, please help me identify the problem, thnkyu....
Hi! Without being able to see it I won't be much help. I would start by checking the voltage coming directly from the panels and see if you've got voltage going into the charge controller from the panels. If you're not comfortable working around live electricity, then please don't try it! One other thing... you said everything connected in series.. Does your inverter and charging system support the higher voltage?
The longer the cable the more resistance=heat. Heat burns insulation and causes fires. Thick short cables work best. Thick cables cost allot more but its safer. Hope that helps.
Please, be careful when connecting batteries in pararell. If one of them gets in short circuit due an internal failure, there is a risk of overheating and probable fire or explosion. There are specific circuits with high capacity transistors to avoid this risk (solar energy applications) . On the other hand, big trucks and buses use only 24V cranking circuits hooking two batteries of 12V in series. They never use pararell configurations. Thank you for the video
Incorrect. American trucks all use 12v an most have 4 in parallel, and they always have a grand total of ZERO fuses, I know because I'm a workshop manager/diesel fitter in charge or 30+ semi trucks.
How many batteries are you going to use? If more than one, it'll be a little out of balance. It'll still work, but you might have a voltage drop on some of the more distant batteries... 😀
Oic... those are the ones they use in tool batteries I believe. Usually they're in series to get more voltage. If I were to put them in parallel I'd probably want to tap the middle battery.@@abdullahmaqbool587
How did you make sure all the batteries are relatively the same voltage before connecting them together? I’m wiring two LFP 12v 100Ah batteries in parallel but I’m not sure how to get their voltages equal, especially when LFP batteries have a “settle” time after charging
HI, simply check them with a volt meter. Most manufacturers will recommend to stick with the same battery manufacturer and specs, voltage, amp hours, etc. When connecting in parallel. I am not sure how much deviation is to much, but I just checked these with a meter and didn't have any problems.
I make sure the voltage is within 1 volt or so (use multimeter) then make the connection through a big ceramic 3 ohm resistor to let the batteries equalize before making the cable or bus bar connection.
@@JLPicard440voltage doesn’t matter with LiFePO4 unless you are at 2.5-3.0V or 3.45 to 3.65V per cell anywhere in the middle 3.0 to 3.45G per cell VOLTAGE MEANS NOTHING In terms of actually balancing capacity. So you won’t get a rush of current but you won’t have properly balanced packs. To properly balance them and get use of most of the capacity you must balance them at either the top or bottom. Top balancing is more common and the way I would recommend doing it. Charge each battery to full individually and then connect in parallel. You already have 4 cells in series so what you are trying to accomplish is getting every cell to 100% state of charge. Then when you discharge, so long as the current draw is even (best accomplished with even lengths of wire to a central bus bar) they will all discharge until the lowest capacity cell hits low voltage cutoff. On the way back up when charging they should all hit 3.65V at about the same time. Your capacity will be limited by your lowest capacity cell no matter what which is why it’s important that cells are matched and it’s also why you shouldn’t parallel batteries of different ages. If they are from the same batch you can safely assume the cells will be fairly similar and paralleling them after they are top balanced should give you the most capacity. (Bottom balancing can give you a tiny bit more but is a bit more complicated and then you have to have a balancer that works only in the bottom range which none of these stock BMS’s do)
@@Miata822one volt is not enough. That’s 0.25V per cell which means one battery could have cells at 3.10V and the other at 3.35V The difference between those two is about 50% state of charge or more! Potentially up to 70%. You could see currents in excess of 100A easily if your connections have a low enough resistance. Even with the resistor you will be loading it up VERY fast if you get unlucky and happen to parallel two batteries , one at 12.4V and the other at 13.4V. (This is for 12V batteries)
It depends on what the requirements of your particular inverter are.. Inverters come in 12v, 24v or 48v requirements.. Batteries also come in different voltages.
Jumper cables use junk wire, never use them like this. The old school jumper cables used actual copper wire, but with very few strands which is why they weren't very flexible and would keep their shape after being bent. The new jumper cables use something called CCA, copper clad aluminum. CCA isn't new, but should be avoided for a few reasons. First, it isn't nearly as conductive for current. Second, it isn't nearly as sturdy and is more prone to breaking strands which will reduce current flow. Third, it's really cheap and you over paid by quite a lot by buying it as jumper cables. Do yourself a favor and look for OFC welding wire. For a 2kw inverter I would recommend at least 2awg, depending on the actual load. With CCA it would need to be at least 1/0awg, maybe 2/0awg. Just don't use CCA cables. They have their place, I guess, but I would avoid it for critical systems.
Yeah, the whole statement of "doesn't matter" demonstrates a lack of understanding about how paralleling batteries through the terminals rather than through bus bars affects battery life. :-(
Yeah maybe two, just to keep from roasting the motor so fast. But otherwise it's a blast to watch the kids rip around on them hyped up. I put inner tube pieces over the hard plastic tires for better grip. It helps on grass from just spinning
@@JLPicard440 and I think since you can afford 4 batteries you should consider 48V system because it's kinda selfish to draw higher current from all those batteries and we don't know if that high current flow will cause longevity issues in the future. Cheers
And same amperage, it will over charge the weaker one because the higher one won't be satisfied and keep pulling a charge. And if one fails it can ruin the rest at the same time.
This is a connection of all Positive & Negative terminals of the batteries 🔋 in Parallel. Then why is the positive terminal to the Inverter connected to the Positive terminal of the Third battery (farthest from the inverter ?? In real Life situation this method would be impractical because every time user adds another battery in this parallel connection of many batteries, they would need a longer (May be new) cable to complete the positive side connection with the Inverter. Thanks 🙏🏻
Eventually the poor guy gets totally confused, when several people say no parallel, yes parallel, use welding cable, use fuse but no one told the ratings, the first and the last battery will suffer, connect all the batteries to a THICK Copper bar! ( it’s BUSS BAR) how will you charge the batteries, etc etc!! Man ! I pity the guy. Why did you, even post your project on YT? If no proper training, then get it from educational institutes. Education makes all the difference, please. Regards.
Never parallel batteries ; always wire them in series . But an inverter rated for higher voltages and reduce the amperage flow in the cables . High amps increase heat in the cables that causes a loss in efficiency/energy ! 🤷♂️
Remember kids, parallel for adding amperage and series for adding voltage.
Yes thank you!... 😀
Uh-oh. So what's the difference between adding amperage and adding voltage? How do I know which one I need to do?
@@angelamarie88most of these inverters accept only 12 volt. More expensive ones can run on 24 or higher. In the case of a 12 volt, you must increase amperage to increase wattage. Remember that wattage = voltage x amperage.
For this 2000watt 12 volt inverter you’ll need 2000/12 amps to run at maximum wattage. That’s 167 amps.
Each of those 100ah batteries can supply 100 amps maximum (due to the bms rating).
Therefore, at least two batteries in parallel can provide enough amps to use the inverter.
It’s also worth knowing you can do both not at the same time, but you can connect batteries in parallel then connect the parallel sets in the series if you want
@@blmdh20s parallel for adding capacity
First and last battery in this setup will suffer the most. Middle ones at least. Better hook up all plus and all minus poles separately to a thick copper bus bar with exact same cable length to ensure the best longevity
Great! Thanks for the info... 😀
Forget battery life, there's no fuse to prevent the wire substitute from catching fire.
Yes I would add a fuse. There's no time to explain those details in a shorts video. They are limited to 1 min or less... Thanks for the input.@@tommyt414
@@JLPicard440 no need to really explain it, just showing the current generation that things "work ok" without a fuse is enough to give them dangerous ideas. I just had this conversation with my sibling who is 13 years younger than me because that's how a lot of stuff is shown for demonstrations, and the dots didn't fully connect.
Thanks for the input!... 😀
Circuit breaker or fuse needed. Don’t risk a fire if the safety systems fail on the inverter
Yes I agree.... Thanks for the input..
@@JLPicard440 In fact, you should have a fuse on each battery. As it is now, if one battery suffers a shorted cell, it will be provided with a ton of amperage from the other two or three.
Yes that makes sense.... Thank you for the input.. 😀
@@Matthew-ou2ie I might be wrong but I'm almost certain that the one fuse in series with the circuit should suffice.
...balanced charging
connect 4 of them in series and get a 48v inverter. you ll just need a 8AWG cable to make the connection. Do not need to worry about cables heating up... or flexibility... nor high cost!
Great idea! My inverter is already 12v, but If I get another one sometime I will certainly do that...
Wow! I like to thank you for this video. I did my Owen Van built starting from scratch. When it came to the electrical installation, that was a technical process of understanding the wire size and Amps and voltage. So far my eléctrica is working fine, but the 4/0 wire overheated when I use an appliance. In this video of parallel connection the inverter positive wire is connected to the first battery positive and the inverter negative wire is connected to the third battery negative. I over look that in my electrical installation, this may be what casing the problem. I will still need another cable to extend my inverter negative cable to the correct battery negative terminal. A++ on this video.
HI! Thanks for the feedback... 😀. I believe the wire size for this inverter should be around 2/0... If you're using 4/0 that should be more than big enough!
@@JLPicard440 Yes it is, but I don’t understand why is it doing that! If I use an appliance, like my stovetop, this is a 1500w and my inverter is a Victron multi plus 3000w I am puzzled. My stovetop use a 14gauge wire and I’m using a 15amp Circuit breaker. I found out that even dough I am designating the breaker just for this stovetop it is fine, but a better precaution is to use 12gauge wire instead. I’ll have to do some reconstruction to get behind the wall and place new wire. It is difficult to do that when you don’t have a place to shelter while doing a reconstruction. 😕
Do you mean shelter from the cold? If so, Yes I understand that... I'm from VA. It gets pretty cold there when you've got some outside work that needs done.
@@JLPicard440 Yes, that what I mean. I live in Boston, Ma and in my first winter in the van, it drop -9 here in Boston. But everything in the van was working perfectly, it still is. Even dough my pluming is in side the van, it froze but not the tank. I end up buying a small electric heater to heat up the plumbing aria juts to melt the possible ice in the pipe. It only took 15Min and then, I was fine after that. Still enjoy my Van build. I have not yet traveled due to a injury case that need to be close, so I must stay in place for now.
You can use the battery cables out of any semi that has more then 2 batteries for this and you can get them from any truck salvage yard or have any parts store build them for you. I've been a mechanic all of my life and and a diesel mechanic too. You can use higher amp batteries for this application and use less batteries or more batteries for a longer run time but it takes longer to charge them backup.
Yep those should be heavy enough.. I used to be in trucks so I know a bit about that... Had a dump truck with 4 batteries and some heavy cables! Don't know what gauge, I believe the correct cable size for this application with a 2000 w inverter would use a 2/0 cable...
@@JLPicard440se è a 12.8volt da 2000watt is175amper 70mm2 70cm positiv end 70cm max negativ se 25.6v 35mm2 ok 51.2v 16mm2 for 2000watt max 2500watt up 5000watt in 51.2v 35mm2 is ok
@@stefanocerna6504 Thanks!
October2823/0133h 🇺🇸 Thank you for the demo. But there was no mention of what type of battery, they are. Is it flooded or prismatic cells with built in BMS. And also some light on what Inverter that was. And its output (110AC or 220 AC) These infos are highly necessary when you illustrate your project to public.
Remember the whole world is watching your presentation. Best wishes.
Thanks for the info..
Dude, yes, there's _lots_ to talk about here, but by definition it's a short video.
If you want to make sure your batteries always stay in balance, you should follow the manufacturer suggestion when you do your series wire then each terminal should go to a Busbar one for positive another for a negative run your load from that your batteries will thank you for it
Thanks for the info!
Is there a specific reason why you connected the inverter positive terminal to the 3rd battery and the negative to the first battery, or is it because that's how you like?
HI, trying to balance the load from each battery... You could also connect both leads to center battery if the leads going to the other 2 are about the same length.
@@JLPicard440 thank you so much for your reply.
YW
Can i series those? Will the 2000watt inverter handle it or just go raw and leave the inverter out like the way it was done in the old days ,never had fires always enough power to run like forest gump like when all those metal parts broke off and he was cruising ,whatcha think?
Yes Forest was a runner! You would series them if you have an inverter that is made for 24 volts or more. You wouldn't want to series the batteries on a 12v inverter.
connect in the middle of the pack, this way you cut 1/2 the corrente on the jumpers cables( from eng electronics from Portugal).
Thanks for the great info!
yeah just flatten 8mm copper pipe next time and use that to bridge the circuits.
a lot cheaper and more surface area.
Great! Thanks for the info.... 😀
When I worked in an auto parts store - we actually sold the heavy guage wire to make your own cables 😮
Excellent! I imagine a welding shop like AirGas will have some of that too.... 😀
When using 3 batteries do you have to run 1 wire from the first battery to your inverter then the 2nd wire from the 3rd battery or can both wires come off the first battery and go to the inverter?
I would run it so it's somewhat balanced. You can also run from the middle battery and have the heavy wires going from the middle battery to the 2 end batteries. You can google different scenarios for running 3 batteries in parallel and also look at your manufacturer website to see what they recommend as well...
Ok, base on your question. It is possible to do exactly that! Only at the beginning of your question. But not the second as you mentioned! It is not recommended! “ Connecting the positive and the negative on each of the terminals of the first battery”. However,…having 3 Battery, the negative wire from the inverter goes to the first negative of the first battery, and the positive of the inverter goes the the third battery positive terminar. Please be advised that it is very important to use the right fuse on the positive terminal of the third battery. If all battery are 100 Amp each, you need a minimum or 300 Amp fuse, but it is recommended to use a 350Amp fuse.
Thanks for the info!
@@Salsadepr40Excuse me for jumping in, but there is no such thing as a "100 Amp battery."
Edit: I stand corrected per Captain Picard's post. I'm an old lead-head. My batteries - as old and tired as I am - I would still count on to deliver thousands of amperes in the event of a short circuit. Long enough to blow the redundant 400A fuse at least.
Battery _capacity_ is often rated in amp-hours (abbreviated about a dozen ways like Ah, A-H etc) but that's not the same as amperes, which is the unit of the instantaneous rate of current flow, not battery capacity.
EdIt: (for those of you who were in need of a bit of pedantry.)
In theory, a 100 Ah battery could supply 1 amp for 100 hours, or 10 amps for 10 hours, or any combination of current in amperes and time in hours that multiplies to 100.
Edit: solid theory
In practice, the faster you draw current, the higher the internal losses, and the less energy you'll be able to get out of the battery. Most battery ratings in Ah are based at a 20 hr rate, e.g. 5 amps for a 100 Ah battery, but you need to check the manufacturer's specs if it isn't printed on the battery.
Edit: and now we get to more lead-head stuff.
Then of course there's the issue that flooded lead-acid batteries will have a relatively short service life if you regularly discharge them more than 50 %.
It's a complex subject.
Edit: Yes, myself from yesterday.
As it happens I am at the point where I have to replace my aging bank before next winter. All options are open including... lead-carbon! (Lead, Timmy: sure it's heavy and toxic but it's amongst the most successfully recycled materials.)
HI, I know that... These LiFePO4 batteries have a BMS inside. The ones in the video have a 50 amp max output controlled by the BMS so that it doesn't over discharge or short out. They are also rated at 50ah. I also have other batteries with a 100 amp max continuous out... with a 280 amp 5 second surge. The batteries are also rated for 100 ah capacity... You could still say it's a 100 amp battery since that's it's max rated output... 😊. Especially if you need to know what kind of amperage you're dealing with so you can choose wire size and fuse size.
Are your cables sufficient for the max current now available from batteries in parallel? I think that’s the main issue, as well as the quality of the crimping (and not welding) of the terminals: you need the proper tool. Also you might make the short cables as short as possible, but not too short, not straight: they need some flex for dilatation.
Great! Thanks for the info.
Why you didn't connect to the inverter from the same end of the battery ie +ve & negative.?
I don't remember... 😀
Perché è giusto così positivo batteria 1 e negativo batteria 3 is correct per equalizzare il consumo in tutte e 3batterie positivo e negativo in batteria 1 no good batteria 1 si carica e scarica prima delle altre così oppure con una busbar is good batteria 1 positivo in busbar batteria 2positiv in busbar batteria 3positiv in busbar poi inverter in positivo busbar e egual negativo busbar is ok
How do you charge incase the battery runs down do you use a battery balance charger or you just connect the wire terminals to a charger?
Usually with a setup like this intended to be solar maintained. The solar panels will have a charge controller. That's what I use to charge with...
Ok thanks for the information
You're welcome..@@KwasiDapaah-hh1kz
whilsted I like the simplicity of this explaination. The Warnings are missing. 1. you need to load balance prior to connecting it. 2. Depending on the wiring diameter you may need to upgrade the cables to wider diameter. 3. Dont mix the battery chemistries 4. Some Battery chemistries may need additional charge controllers 5. dont light your stuff on fire.
HI, thanks for the info! A shorts video is limited to 1 min or less... There's a very limited amount of time to fit all that in... Hopefully someone will read your comment and put it into their memory banks.. 😀
Now show them a series set up and really blow their minds
Good idea!
If you have an inveter and are looking to add a second battery, is it a positive from the invertor on second battery and negative on first? Is it also the same with the positive and negative coming from the charge controller? Thanks for any help.
Hi... If you have 2 batteries I would pull a positive from one and a negative from the other. Both batteries will have wires between them making it a parallel connection red to red/ black to black. The charge controller should only have 2 wires... Yours has more?
@JLPicard440 two wires on the charge controller thing to figure out should I connect the positive from the charge controller to one battery and the negative to the other?
Take your feed from the centre battery, not one of the end ones. It balances the load better.
That'll work too... 😊
In-line fuses and a master switch. Put everything in a nice box on wheels add a couple of 6” fans both ends PLUS a co2 extinguisher 🧯 kit (can also be got in tube format). Great info ℹ️ ❤
HI TYSM for the feedback... 😊
Sir could be possible if I want to make a parallel (12 v, 100ah x2) then I series it with 12v 200ah...in other term 12v 100ah x2 + 12v 200ah...thank in advance for feedback
HI! That's a very good question... I believe the rules are (Parallel: Different Voltage= NO / Different Capacity= OK) (Series Different Voltage=OK/ Different Capacity=NO). Technically what you've proposed there does fit with those rules. I can only say I think it'll work, but I would do more research to be sure... 😊
Can you hook up a yellow top optima and a lithium battery in the back with the amps?
No, when you parallel batteries it's best to have the batteries match... Same voltage, amp hours, battery chemistry, and manufacturer...
You know how the packaging on battery operated anything says not to mix different kinds of batteries? That still applies with larger batteries. In fact the result will be that much worse. I haven't seen a battery explode, but I've been told that it can happen with little warning and do quite a bit of damage.
What is the difference of where you come off the battery set to the load? Any reason you couldn’t come off the pos and neg at the battery closest to the load?
No particular reason. You could also tap from the middle battery would be a good place. IF there are 4 batteries there is no middle battery so the first and the last will work too...
@@JLPicard440 gotcha. So I’d assume the same would go for charging the battery bank as well?
@@ryanjones9305 Yes probably... although I have a 10 amp charger to charge 1 50 ah battery. If you put 3 or 4 batteries on there simultaneously, I'm not sure it can handle it.. 😀
@JLPicard440 For charging, wouldn't hooking to the positive on the first battery and negative on the last battery be best?
HI @myemail2005 .... Is that what I did?
Check your cables to ensure that they're not CCU, which is Copper Clad Aluminum. Most cheap jumper cables are not pure copper.
Thanks for the info! I appreciate it.. I seem to remember installing the ends and they were copper all the way through, but it's been a while now.
I only have 2 12v 100ah lifepo4 Redodo batteires. How thick should the wires be for a parralell connection ?
HI, if you're running a 2K inverter I'd use 2/0 sized wire for 3-6 feet of run.
thanks@@JLPicard440
There’s a reason why that jumper cable is cheaper than buying proper 4AWG or 2AWG cable.
That jumper cable is almost certainly copper coated aluminum, meaning you’d need at least 1/0 AWG to properly feed that inverter for a 2000W output.
Thank you for the great info... 😀
@JLPicard440 I was gonna comment the same, buy oxygen free copper wires, perfectly 2gage or 0gage, also make sure that you also have a ground connected also to an actual ground, in the car you can use the engine block or the chassis(body of the car is paint coated but if you don't mind scratching a bit of the pain body could work too)
Excellent! Thank you @bitterlemon7721.
I have one question
Please answer me its an idea in my mind
2 12v batteries in series for charging
And take parallel cable to run 12v inverter ia it possible
HI, if you've got them hooked to a solar system with charge controller and the works, then the system is either made to work on 12V or 24V. I don't think you can mix them unless your charge controller can switch to both (not at the same time). I would probably leave it one way or the other.
@@JLPicard440 like i want to charge battery in series 24v
And take (+-)(+-)cable from 2 battery and to run 12 inverter
Or i need step down regulater to convert 24v into 12v to run inverter
@@jasonbourne7171 I could be wrong but I don't see a way to connect the batteries in series and parallel at the same time... Unless I'm misunderstanding what you mean...?
@@JLPicard440 Yes bro you are correct cannot use both parallel and series at the same time.
Yes its nice and ok. Only coment of course reduce lenght of cable as possible. Because at 1 kw output at 12v is aprox 100amp at input so high diameter and short cable to input of inverter. :-) othervise increase lost energy.. output 240v ac can use standart extention cable .. good job :-)
Thanks for the great info and feedback... 😊
Nice cables! For sure you should put the loads on the middle of the 3 batteries, not the ends as in your video.
Thanks for the tip! I appreciate it..
Exactly the right way of connecting batteries in parallel to power an inverter.
TYSM!
Not really but most dont know how
@@markwaring622 It’s exactly how it’s done. Each cable connecting each battery to the inverter is the same length.
im doing the same because i cant afford lifepo4 batteries so im buying 7ah or 12ah 12v and im con necting them to parallel, for now i have x2 7ah and x12ah batteries and i ordered x2 12ah batteries so i can have a total of 50ah since i use a 500w inverter
HI... It sounds like you're mixing battery capacities... The manufacturers don't recommend do to that. They always say to use matching batteries.... Just letting you know.. 😊
@@JLPicard440 yeah but never had problem with that, because when you have to build li'ion battery packs you'll also use unmatched batteries.
just letting you know ☺️
@@valentino_govoni_official TY
Hook the cables to the inverter to the center battery with cables going each way.
When doing cranking battery cables. The cables to the starter should be thicker
Cool! Thanks... Probably a big truck is connected that way..
@@JLPicard440big engines like our 300kW generator have 2 x 12V batteries in series, Technically you should fuse protect parrallel batteries.
Absolutely! @@dogwalker666
OK so what about adding extra cables for example to run my diesel heater do I do the same here with the positive on the third and negative battery or do I just choose any one battery to connect the diesel heater 🤔
Does the heater run on 12 volts? If so, you can connect it like I have it or connect it to the center battery if there are equal length cables running from the center battery to the other 2..
@@JLPicard440 yes it's 12 v diesel heater so I'll power the same way as the inverter described here. Thanks . I'm also adding a fuse to the positive cables .
yes absolutely! Thank you.. @@desendean6488
@@JLPicard440 thankyou aswell . Can you recommend what amp fuses I should go for ? , I'm running two 100ah hours batteries with one 2000w inverter although I would probably never exceed more than 400 Watts.
HI ... most 100ah LiFePo4 batteries probably have a BMS module that limits the amperage to around 100AMPS.... So you have 200A available. I believe the 2000 Watt inverter will draw close to 170 amps at full load... If you're not planning to connect to full load you could go with 100A fuse and be fine. But will probably blow if you run the inverter to full potential..@@desendean6488
What if we take positive and negative from one of these 3 batteries. Connecting plus minus to first battery or third battery or middle battery, will it be fine?
HI, you'd be better off to take it from the middle battery. That way you have equal length cables going from the middle battery to the other 2. Hope that helps.. 😁
Question: can i hook up a lithium battery and a AGM battery together in the trunk as secondary batteries?
HI, if you parallel batteries they should be the same capacity, chemistry, manufacturer, etc.... 😊
Great, thanks for confirming i appreciate it!
YW!
Running a 2000W inverter on 12V seems dangerous. Very high amperage draw. Would be running a 24V inverter. But then you can't recharge from a car.
As long as your cables are big enough and you've got an inline fuse I wouldn't hesitate at all... That inverter is designed for 12v... 😀. But I agree 24v is better...
You're just flat out wrong. I've installed much higher output inverters than this into commercial vehicles that run off of 12v systems for simplicity. They always had an additional alternator, or one very high output alternator (depending on the kit/brand), and sometimes an auxiliary battery to help feed it properly.
I've seen inverters in the 5kw and 6kw range. They're insanely expensive and pretty much unavailable outside of commercial equipment vendors.
How to wire in parallel
Step 1: wire in parallel
Yes...
How about two 100 amp batteries. And a 200 amp hour battery hooked up together.? Can it be done ?
Yes absolutely! If you have 2 100ah batteries you would connect them together in parallel and tap the + on the one battery and the - from the other one... But not absolutely do not connect a 100ah and a 200ah together in parallel. That would probably not work out real well.. Or (2) 100ah batteries with a 200 ah battery as you stated... The batteries need to match as close as possible.
@@JLPicard440 thank you very much for the info
@@Bailey463 YW!
What is the difference, between Series connection and Parallel connection to Batteries,plis explain to me,
Hi, with parallel you're adding to the amperage that each individual battery can produce but keeping the voltage the same. With series you're keeping the amperage, but adding to the voltage. Depending on what voltage your inverter is made for, series may not be an option. With series if you're using a higher voltage inverter like 48V for example, you'd want to use series to get the voltage up that high... hope that helps.
@@JLPicard440
Hello please, l need your help, l install a 3000kw inveter, connect with 2x 550w solar panels, and 2x 200HA batteries , all connected in series, But when l switch on the inveter , the Solar charge indicator does not appear on the screen display, please help me identify the problem, thnkyu....
Hi! Without being able to see it I won't be much help. I would start by checking the voltage coming directly from the panels and see if you've got voltage going into the charge controller from the panels. If you're not comfortable working around live electricity, then please don't try it! One other thing... you said everything connected in series.. Does your inverter and charging system support the higher voltage?
Estupendo!
Gracias!
Can I connect a 100 amp hr Li Time & a 100 amp hr Battle Born together and not have problems?
HI, the batteries should be the same rating, ah, type, manufacturer, etc. I would not mix the batteries... 😊
@@JLPicard440 Kinda figured that would be the case.Was a bit leery connecting a $900 battery to a $250 battery. lol
@@donbxman7080 Yep!
Do all these cables have to be the same length. Especially the ones connecting the inverter? I want to make my own
HI... Not sure if that's really critical like antenna wires would have to be... but it's better if they're close to the same length.
@@JLPicard440 thx
The longer the cable the more resistance=heat. Heat burns insulation and causes fires. Thick short cables work best. Thick cables cost allot more but its safer. Hope that helps.
Agree 100% 😀@@bronjefferies2612
@@bronjefferies2612You can parrallel the cable too.
Cool
Thank you!
What about grounding to the frame if im using that setup in a cargo trailer
Yes that will work too! That's all they do in a car is run the ground from the battery to the frame... 😀
Please, be careful when connecting batteries in pararell. If one of them gets in short circuit due an internal failure, there is a risk of overheating and probable fire or explosion. There are specific circuits with high capacity transistors to avoid this risk (solar energy applications) . On the other hand, big trucks and buses use only 24V cranking circuits hooking two batteries of 12V in series. They never use pararell configurations. Thank you for the video
Interesting! Thank you... 😀
A fuse on each lead will prevent issues due to internal short circuits.
Fuse will blow isolating that bad battery
Thanks for the great info... 😀
Incorrect. American trucks all use 12v an most have 4 in parallel, and they always have a grand total of ZERO fuses, I know because I'm a workshop manager/diesel fitter in charge or 30+ semi trucks.
Exactly right! I used to drive trucks so I'm very familiar with that... 😀@@F1NATIK
Can i get negative and positive from same battery instead of third battery for inverter
How many batteries are you going to use? If more than one, it'll be a little out of balance. It'll still work, but you might have a voltage drop on some of the more distant batteries... 😀
3 batteries sir
18650 lithium batteries in parallel
Oic... those are the ones they use in tool batteries I believe. Usually they're in series to get more voltage. If I were to put them in parallel I'd probably want to tap the middle battery.@@abdullahmaqbool587
A lot of jumper cables are CCA take that into consideration if you do this
Thank you for the great info!.. 😊
How did you make sure all the batteries are relatively the same voltage before connecting them together? I’m wiring two LFP 12v 100Ah batteries in parallel but I’m not sure how to get their voltages equal, especially when LFP batteries have a “settle” time after charging
HI, simply check them with a volt meter. Most manufacturers will recommend to stick with the same battery manufacturer and specs, voltage, amp hours, etc. When connecting in parallel. I am not sure how much deviation is to much, but I just checked these with a meter and didn't have any problems.
I make sure the voltage is within 1 volt or so (use multimeter) then make the connection through a big ceramic 3 ohm resistor to let the batteries equalize before making the cable or bus bar connection.
@@JLPicard440voltage doesn’t matter with LiFePO4 unless you are at 2.5-3.0V or 3.45 to 3.65V per cell anywhere in the middle 3.0 to 3.45G per cell VOLTAGE MEANS NOTHING
In terms of actually balancing capacity.
So you won’t get a rush of current but you won’t have properly balanced packs. To properly balance them and get use of most of the capacity you must balance them at either the top or bottom. Top balancing is more common and the way I would recommend doing it. Charge each battery to full individually and then connect in parallel. You already have 4 cells in series so what you are trying to accomplish is getting every cell to 100% state of charge. Then when you discharge, so long as the current draw is even (best accomplished with even lengths of wire to a central bus bar) they will all discharge until the lowest capacity cell hits low voltage cutoff. On the way back up when charging they should all hit 3.65V at about the same time. Your capacity will be limited by your lowest capacity cell no matter what which is why it’s important that cells are matched and it’s also why you shouldn’t parallel batteries of different ages. If they are from the same batch you can safely assume the cells will be fairly similar and paralleling them after they are top balanced should give you the most capacity. (Bottom balancing can give you a tiny bit more but is a bit more complicated and then you have to have a balancer that works only in the bottom range which none of these stock BMS’s do)
@@Miata822one volt is not enough. That’s 0.25V per cell which means one battery could have cells at 3.10V and the other at 3.35V
The difference between those two is about 50% state of charge or more! Potentially up to 70%. You could see currents in excess of 100A easily if your connections have a low enough resistance. Even with the resistor you will be loading it up VERY fast if you get unlucky and happen to parallel two batteries , one at 12.4V and the other at 13.4V.
(This is for 12V batteries)
Thanks for the great info!
I did the same thing but i made it 48 volts
Yes 48 volts is better, you can keep the current down a bit.... 😀
yes.... 48 volts systems are the most common now... saves wiring costs, flexibility and low current.
Excellent! Thanks for the great info... 😊😊@@varman001
Why don’t take the positive and negative from the same battery?
IF there are 3 batteries you could take it from the middle battery just fine... That way it has equal distant wires going to the other 2..
Should of used welding cable don't be cheap.
I believe the correct cable for a 2000w inverter is 2/0... I don't have any that are that size, but working on it... 😀
Why not just use a bus bar
Yes, no problem.
Do you need a 12v or 24 inverter to have just two batteries connected?
It depends on what the requirements of your particular inverter are.. Inverters come in 12v, 24v or 48v requirements.. Batteries also come in different voltages.
Jumper cables use junk wire, never use them like this. The old school jumper cables used actual copper wire, but with very few strands which is why they weren't very flexible and would keep their shape after being bent. The new jumper cables use something called CCA, copper clad aluminum. CCA isn't new, but should be avoided for a few reasons. First, it isn't nearly as conductive for current. Second, it isn't nearly as sturdy and is more prone to breaking strands which will reduce current flow. Third, it's really cheap and you over paid by quite a lot by buying it as jumper cables.
Do yourself a favor and look for OFC welding wire. For a 2kw inverter I would recommend at least 2awg, depending on the actual load. With CCA it would need to be at least 1/0awg, maybe 2/0awg.
Just don't use CCA cables. They have their place, I guess, but I would avoid it for critical systems.
Awesome! Thanks for the great info..
Yeah, the whole statement of "doesn't matter" demonstrates a lack of understanding about how paralleling batteries through the terminals rather than through bus bars affects battery life. :-(
Ok thanks...
Do them all in series and put them in a power wheels
Yeah maybe two, just to keep from roasting the motor so fast. But otherwise it's a blast to watch the kids rip around on them hyped up. I put inner tube pieces over the hard plastic tires for better grip. It helps on grass from just spinning
Lol.... that would work too... 😀
Gauge of jumper cables?
2/00 I believe...
For what use ?????
As emergency power during an outage..
There is no first or third bateries in parallel setup 😂😂😂😂😂
Ok thanks!
not true :) preferably three separate conductors ( cables) that will be connected at the terminals of the inverter
Great! Thanks for the info.
Maximum batteries in parallel can be 4 batteries not inverter manufacturer asked you to put 4 batteries.
That's right. The manufacturer has specs up to 4S4P for a total of 16 batteries.
@@JLPicard440 and I think since you can afford 4 batteries you should consider 48V system because it's kinda selfish to draw higher current from all those batteries and we don't know if that high current flow will cause longevity issues in the future. Cheers
@@ferdm9646 Great thanks!
Need a fuse! ...very dangerous not to have one
Ok thanks!
no need for fuse... LFP Battery BMS has short and over current protections built in.
Yes that's right! Thanks for reminding me... 😊😊@@varman001
Probably want all the batteries about the same age and make, and swap them around so they " wear" more evenly.
Yes that's right! Thanks for the input...
And same amperage, it will over charge the weaker one because the higher one won't be satisfied and keep pulling a charge. And if one fails it can ruin the rest at the same time.
Great info! Thank you for the input.. 😀
This is a connection of all Positive & Negative terminals of the batteries 🔋 in Parallel. Then why is the positive terminal to the Inverter connected to the Positive terminal of the Third battery (farthest from the inverter ??
In real Life situation this method would be impractical because every time user adds another battery in this parallel connection of many batteries, they would need a longer (May be new) cable to complete the positive side connection with the Inverter. Thanks 🙏🏻
Great! Thanks for the info
Those are not truck batteries, they are similar in their hook up but they are not truck batteries. They are not heavy duty like truck batteries.
Who said they were?
Those cables are way to long,keep them as short as possible
Yes shorter is better.
Unprotected connectors just waiting to vaporize some conducting item, or at least put something on fire.
So obviously this is a temporary setup... 😊
Series the last and u wont need another batterys
Thank you!
Okay, but what does this do?
An inverter takes 12 volts from batteries and converts to 120 Volts AC like the ones you have in your house.
@@JLPicard440 No I mean, what's the point in hooking the batteries up like that?
@@agoogleuser2507 It adds amperage over what you would get with a single battery.
@@JLPicard440 Um. Laymans terms? 😅
Eventually the poor guy gets totally confused, when several people say no parallel, yes parallel, use welding cable, use fuse but no one told the ratings, the first and the last battery will suffer, connect all the batteries to a THICK Copper bar! ( it’s BUSS BAR) how will you charge the batteries, etc etc!! Man !
I pity the guy. Why did you, even post your project on YT? If no proper training, then get it from educational institutes. Education makes all the difference, please. Regards.
Thanks for the tip..
Could you pls illustrate how this bussbar connection that you spoke about is done?
Tag this comment to it pls
No fuse
OK thanks!
Thank you so much sir
Most welcome
Im connect inverter 2 battery but 1 battery after play pc 12.90 2 battery 12.75 what im wrong 😥
How many batteries are you using and how are you connecting them? Also, are the batteries exactly the same as each other?
2 battery now try ur tios maybe im wrong connect
? Not sure...@@НиколаДимитров-с6ь
If you are running batteries in parallel and one seems to be discharging faster than the other.
The other batteries capacity is lower
@@JLPicard440 its me im newbie maybe batery bad for cars :)
Never parallel batteries ; always wire them in series . But an inverter rated for higher voltages and reduce the amperage flow in the cables .
High amps increase heat in the cables that causes a loss in efficiency/energy ! 🤷♂️
Thanks for the tip...
how to connect 2 i nverter with 3 batteries
I could be wrong, but I wouldn't do it that way... 😀
@@JLPicard440 i am planning for 10kw solar system, two growatt 5000es and three 51.2v 200Ah Lifepo4,
@@DoDoBedStory Do the instructions for the inverters say you can connect them in parallel with another inverter using the same batteries?
Most jumper cables suck and are copper clad aluminum so i wouldn't use them alnear the (rating)
Thanks for the great info!
Your battery to battery cables are way too long and I wouldn't cheap out on the cable size.
Great! Thanks...
Angrej bhi Kya chij hai battery battery 🔋
Ok thanks!
Don't use cheap cables for this... U get fire
Ok thanks!
A SECOND GRADER COULD FIGURE THAT OUT
Yes that may be true... Thanks.
So what
Thank you...
Nope
Ok thanks!
Why all this? thank s, don't blow your self 🎉
An inverter takes 12 volts from batteries and converts to 120 Volts AC like the ones you have in your house.