How To Install A Smart Battery Meter & Shunt In A Golf Cart | Measures More Than Just Voltage
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- Опубліковано 2 жов 2024
- #golfcart #shunt #ampmeter
On todays video I installed a full function battery monitor with shunt on the club car ds project cart. This will help with Range Anxiety for your golf cart! This works with all battery chemistries.
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Hey man, I found this very helpful. I acquired a China LSV that doesn’t work and I didn’t know what a shunt was actually for. The one in the car appears as if it was installed totally wrong. It had 2 16ga wires to each side along with the main negative. With you video it clearly showed me it was incorrect. Thank You!
Is the screen always on on the meter? Even when the card is off? Didn’t see a remote wire… Can’t find the answer on Amazon.
I just got my gauge. The stock gauge in my 2021 drive 2 Yamaha is exactly the same size , so no drilling. I have a UNO lithium and have the app but it would be nice to have all the information right in front of you. Once again you come up with great ideas. Much appreciated!
Thank you for such an informative video!
It’s works perfectly
Thanks
Have you installed with Enjoybot 36V? How are you determining your threshold for lowest voltage setting to show 0% on meter? If 100% is 40-41V, is your low/dead cart % around 35-36V?
Love the video. I've been procrastinating this meter for a year. It's the only one I've found that works on the 72 volt system that seems any good. I need to figure out a column mounted box for this and my F N R switch relocation. I can't believe even the new carts don't put a lever on the column or switch so your not making some weird move to change direction.
I purchased this in 2021 and it’s been sitting on the shelf. I wish I would’ve installed it sooner on a cart. Man it could’ve really helped with all those range tests lol.
@@Fentertainment I know what you mean. I don't have the phone a friend option like you. When I'm dead, I'm pushing 🤣
@@goldenlife9856 🤣🙂😂
Looks like that one is good to 350 amps if you exceed that will it burn up the shunt or just read wrong or maybe nothing bad happens 😅
According to the paperwork, they are good to 500 amp spikes and 350 continuous.
Sorry for the question, but I have a Ryobi ride on lawn mower with four 12v 100ah lifepo4 batteries in series (48v). What do I connect to the shunt? The battery negative(s) connect to an Anderson powerpole and into the motor. Where/how would I connect the 'P' side of the shunt?
I found it almost impossible to place the power cable into either one of the power wire inputs that are part of the green structure in the center, top part of the shunt. Since the amperage is so small, I sized a straightened paper clip and pushed it into the input (with the tightening screw as wide as possible, which isn't saying much) and tightened it down. Then I crimped my 14 gauge wire (I realize the hole needed 20 to 22 awg) to a tiny alligator clip and connected that to the paper clip. It's a much stronger connection with little chance of the wire failing over time, especially when compared to the tiny amount of wire needed to directly connect it. I couldn't even fit a tiny ferrule into the hole.
Installed the shunt in my 48v lead acid golf cart. Everything wired correctly with single negative from pack to B- and all other wires grounded to pack mounted to P-. Meter shows correct voltage, amperage draw etc. Set 100% at 50.9V after batteries relaxed from charging, set 150ah as total capacity as verified on battery. As soon as I take off, the battery % meter goes blank and meter will not show me % but still shows voltage and amperage draw. ANY IDEAS????
The shunt is confusing me so much lol what is it exactly
When i click the link for the gauge a completely different one comes up. Im in the uk, would this make a difference?
Does that meter save the settings after it is disconnected from the battery I disconnect my cart battery when I am away will meter retain its settings?
I’m currently converting my rxv 48v to lithium. My question is I bought a blue sea fuse block for all the accessories in addition to this shunt. What gets connected to the shunt if all the accessories are connected to the fuse block? Does the main neg, the onboard charger and fuse block neg get connected to p- ?
If so will that allow the shunt to get all the needed data? Thank you for any advice and help.
Good stuff.i got this on my e motorcycle
How do you hook up the charger ? I have two 12 volt batteries in parallel
Do you recommend this 4 battery setup for ezgo golf cart?
Any recommendation for something closer to 650 Amps?
My battery has an app that indicates the % charge, current charging/discharging and voltage. I have also installed a panel meter that is similar to what is in this video with the same shunt. Today the battery went into protect mode when the app showed 50% and the panel meter showed 30%. Not happy about pushing the cart home. I will contact the battery manufacturer Monday morning, but do you have any ideas about this? Seems to be very difficult to know how much charge is in a LifePO4 battery since the voltage curve is so flat and the fact that the panel meter reads about 0.2 volts less than panel meter. Perhaps a better way is for a meter to measure the amps used since last charged to 100%. Coulomb counter? Your thoughts?
Hi , I cant seem to get my meter to show 48volts it shows 12 volt I have a club car president 48-volt cart I do have the neg running to the farthest neg post!
Anyone know if you could hook this up through your relay and just reset the capacity every time you charge it? It kinda bugs me it’s always on and slowly draining the batteries. I know it needs to be that way because of how it functions but still would rather it only be on when I’m actually using the cart.
Hi Dino, did you get a response to your question or find out the answer? I have the same question. I was going to hook this gauge up to my KSI, so it was not activated until I put the ignition in the first position.
Would a 36 volt cart pull more amperage than a 48 volt?
P=IV. Power in watts equals current in amps X voltage. So at equal power outputs the higher the voltage the lower the amount of amps required to produce that power.
Can this meter be used with Lithium batteries and I will have 100ah batteries but can I use the 350 ah gauge in case I add additional batteries?? Thank you in advance.
i used this meter in this video with 100ah lithium. yes
I would assume this would work with a roypow battery?
Any batteries and any voltage to 100v on this specific meter.
Thanks for replying, I’m in West Columbia and really enjoy your videos!
@@steveinsc9199 Appreciate it!
If you have a 4 bank charger do you have to run all 4 negatives to the shunt and exit the shunt? Or do you just grab all of the wires that are going to the last negative in series and let the charger do it's thing independently?
Are you using 4 12 volt chargers to charge 4 12 volt batteries instead of one 48 volt charger?
If so, I would let the chargers or maintainers do their thing and just use the wiring diagram provided
Does it ever shut off with it being connected to the main positive (red wire)?
The back light will dim but the gauge will continue to work. You could connect the power wire to the ignition side of the switch for it to turn off when the cart is off.
One last question I promise …lol
Do I enter the total of 60amp hours or 30 amp hours which is each individual battery ?
If you have 2 - 30ah batteries in parallel then once they are charged, you program the total of 60ah.
Hi Ryan, another question for you... I have the BigBattery Falcon Elite kit with this battery meter installed. I know it's not drawing much power, but I don't like that the meter stays on unless I power off my battery. I have the blue 48v to 12v convertor that you often use and a fuse block for accessories so everything turns off with the key. Can I run the power wire for the meter off the convertor so it turns off with the key or will that make it not read the battery % correctly? Not sure if you'll know the answer to that or not, but I figured I'd ask. Thanks!
It will work fine still.
. I did this, the small power wire running from the shunt to fuse box (dc converter) . So it comes on and off with the ket BUT now the battery monitor shows 12v instead of 48v . How do I make it show the correct battery voltage ?
Good morning. I am have an issue installing the Renogy RBM500 Battery Monitor in my 1992 EZGO Marathon 36 Volt Golf Cart. I have a EPOCH 36 Volt, 100 AH Lithium battery. I have followed the installation instructions to a Tee and checked and double checked everything several times. When I hook everything up according to the instructions and press the button to turn on the Epoch battery, it beeps and turns off. I have tried several times, no luck. Then when I disconnect the shunt and hook up the Positive & Negative battery cables as usual direct to the battery the cart runs fine. I'm stumped. Any help is greatly appreciated. Love your videos, I have learned a lot form you. Hopefully you can help me figure this out. Thanks, Mike C
Does your meter stay on when not charging? I have to push the button to see anything when not charging. Also mine reads 100% charged all the time. I did the setup like you did (i think) I set to 60 ah after full charge. I think I have something connected wrong. Oh I have 2 48v lithium batteries.
just installed this gauge love it but for some reason, the percentage gauge doesn't stay accurate I programmed it and it stays at 100% then goes down to about 97, and then all of a sudden goes to 0 still have 49 volts and plenty of charge do you have any ideas to my problem thanks for your great videos
Good vid except can read the gauge so many times bc its the back light interfering? U might call out what amps is there for us. thanks. InventPeaceNotWar
great video, thank you! can you tell me how many amp hours a standard samsung lithium 48v battery has on a 2020 RXV?
I have this installed but am curious as when I fully charge my LiFEPO4 battery to 100%, the gauge doesn't correspond to it being fully charged, so then I end up reseting the battery % on the gauge to fully charged 100%. Is this how it is intended to work? or should the shunt be reading that the battery is fully charged and update automatically.
Did you go in and program the gauge to the same AH after you fully charged the battery and the gauge was installed like shown in the video.
@@Fentertainment Yes I have done both. The only thing I did different is I wired the positive (+) signal wire that goes into the shunt off of the ignitions powered relay. I did this so that the gauge is not powered when the key is off. I am wondering if that is causing the issue. I believe in your video, you took the positive signal wire directly off the battery + and into the shunt?
How are you getting this 27mph on the ds cart what is done to it ?
I go over everything in the build series of this in previous videos that lead up to this but it had a plum quick rattlesnake motor, alltrax controller and lithium batteries. This was just a boring run of the mill series cart.
Thanks for the video. I've purchased 4 sets of the EnjoyBot batteries for my builds since watching your other videos. I am still experimenting with charger setup. I have used a Lester Summit II which seems to work fine and also the HTRC P3648 that you recommended. Neither charger will charge the pack past 53v (each battery at 13.3v). I noticed in this video your pack is over 57v. Did you do any set up to get your charger to charge to 57v (each battery at 14.25v)?
Not at all, just used the htrc charger.
I have a similar issue with the charging of my batteries, mine reaches full at 54.4 V. I’m using the same charger. Is that typical?
I'm running 4 on a 48v DS. Also using summit ii and have the same issue. Will not change past 53 or so volts. Usually triggers an over voltage fault too. Did you ever figure something out?
@@calmac06 I’m running 4 Enjoybots on my DS using the HTRC P3648, Balanced the battery’s as required by the Manufacturer prior to install and can only reach 54.4 volts/ 13.6 v per battery. I’m not sure if this is an issue but I got like 20 miles ride time and my battery meter indicator read 46 or 48% remaining which I think was pretty good. Let me know how you make out.
I installed the meter today. The gauge shows voltage and amp’s being used. No percentage reading for anything and no charging indicator arrow. Arrow indicates down always. I have a UNO battery with a onboard charger so the only thing going to p- is the main negative cable and I assume the small wire is from the inverter. Since the charger goes directly to the battery is that way the gauge doesn’t indicate it’s charging?
I have lead acid batteries and I’m having the same issues. Main negative is alone on the B- and the P- are all other cables that were attached to main Neg. I show small accurate amperage draw but no draw from motor and no up arrow while charging
@@bud6681 I played around by rebooting ( disconnected shunt from meter for a few minutes) got everything working except the charging indicator up arrow. I can live with that because I was looking for % of battery left not voltage. It took the place of my stock meter that just read full all the time. I think because of the on board charger going directly into the battery is the issue.
Even at peak discharge it was under 200A. Would be interesting to see that on a Navitas set up to see what the max draw is there
I set the controller to 200a I think. It was in the controller video.
I watched my Navitas dashboard while testing pretty closely and never saw over 200 amps. I think if you were doing hills or pulling a trailer or something it may get up there, but just the cart, don't think so. Once that initial hit from stopped tapers off even at 35 mph it's the 70 amp area
Ive been wondering if you have 4 100 amp hr lithium batteries, do you have 400 amp hrs available? Or is it just still 100 amp hrs? With more available output?
When you run in series the voltage adds up and the amperage stays the same.
Thank you so much for the fast reply! Love your channel since I bought a craigslist RXV been watching your channel constantly. Excellent tutorials. For the price would you go with the 4 enjoybots or is a 100 amp hr Big battery better?
Mine won’t reset to 100. I’ve tried unplugging it from the shunt to try and reset the system but to no avail. I have no idea what I’m doing wrong.
Installed the gauge on my 97 ds with OBC and lead acid batteries. Shows accurate low amperage draw at rest, reset to 100% when batteries were recharged but gauge does not show (+) charging indicator when charging nor does it show large amperage draw from motor/controller when driving cart. Only continues to show low amperage draw
Hi great video one question my solar controller has blue tooth it shows the capacity of the batteries do i still need one
Your video are you complicated to follow can you simplify them for a virgin golf carter.
How do you adjust the hundred percent for old batteries? For example my batteries are three years old and I know they cannot be charged to 100% still how does this meter compensate for old batteries at 100%?
I have one on my bike - its surprising the difference wind direction makes
Does only work with lithium batteries
any battery
So B+ on the shunt gets full pack voltage or only 12V? Not really clear on instructions.
Have a had time seeing the max amp pulled on take off, was it 199amp max?
191.8 on that run.
I rewatched and the first run was 199amps because I floored the accelerator, the 2nd pull I didn’t floor it as much.
@@Fentertainment thanks for the reply, I’ve got the same cart that I’m building and my lithium battery has a 200a cut off and I’m putting 23” wheels on it Gonna be close.
Thanks for the great and informative videos you make 👍
So if I have Anderson connections do I use the negative at the buss bar ?
You would have to use the main negative before the controller and then run the other side to the controller. You could also cut the main negative in half, crimp ring terminals to the ends for the shunt.
@@Fentertainment …I’m sorry , that’s what I meant . Connect it to the main negative at the buss bar . Have it come off the main negative on the buss bar so it’s actually between the buss bar and the cable to the controller.
@@toledojeeper2932 The shunt needs to be between the battery and the buss bar. If its between the buss bar and the controller then it will not read all the grounds at the buss bar.
@@Fentertainment …But I have 2 batteries so I have 2 negative cables into the buss bar .
I have the Big Battery Eagle 48 volt 30ah batteries and they have a connector for their gauge . Could I use that in any way ?
@@toledojeeper2932 So you would need to take both negatives from the batteries and connect them to the battery side of the shunt. Then you could run the output side of the shunt to the distribution block. Then you could run your main golf cart gound along with the charger and voltage reducer at the block. What ever you do you have to run both of your battery grounds to the battery side of the shunt. On the other side of the shunt you can run your distribution block to hook up all the negatives.
I should probably get one those my battery meter doesn’t work anymore more on my Club car precedent
How do you get 18 gauge wire into shunt
Some very good an helpful information.Thanks for the video. 14:12
Hey Ryan I just finished installing this battery meter and shunt, no more range anxiety lol… quick question at what battery percentage do you plug the charger to the cart without damaging or shortening the life of the Enjoybot batteries?
I plug mine in all the time. I hate wanting to ride and have no charge or only half of charge.
Do you know a battery business, I want to upgrade to 4 12 volt lythum from 6 8 volt regularly batteries buy 4 with a discount
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what do you think about adding one of these to a epoch kit. the meter it comes with is so hard to read the amp output while you are driving. its very small. ive tried referring to the app but it seems like it has a bit of a delay.
This is my go to meter/shunt for just about any battery kit. I like the fact that it can be used with really any combination of voltage or amperage.
I have a 2017 Yamaha cart, I installed the Big Battery Falcon 3X kit. Wanting more information about the batteries I installed this smart meter and shunt. After installing and settling the meter I drove the cart for a test drive. All went well and the percentage of drop seems to be correct. The problem is when I charge the batteries the percentage of charge does not change. The batteries are at 100% 58v but the meter shows 62% until I reset the meter. I double check the voltage connection to the shunt and it’s good. Any ideas or is this normal? By the way the simple meter I got from big battery goes back to 100%.
Have that guage now thanks , I have a stock 95 club car and the same batteries but haven't tested yet on millage what might I get ? 10 miles or ? Just wondering.
I think I did 30 miles on 36 and 48 volts give or take.
thank you
Ordered just now thanks to your video.
The backlight remains on at all times. It only turns off when the cart is in tow mode. Any suggestions to get this light to turn off when cart is not in use? I followed your install instructions exactly. 6 x 8V Trojans on a 03 club cart DS. Thanks
I think mine the backlight goes to sleep after so long. If you want to only use the gauge when the cart is on you could run the small power wire through a relay to the key switch to power it on and off with the key switch.
@@FentertainmentDo you have a relay you recommend?
does the charger you used have a connection for the charger interlock (blue wire from club car precedent charging port) ?
It has a connection point but nothing is there. The charger I used is for the lithium batteries and I made a separate video of the charger and how I wired it.
How do I get the battery to show 100% when I first install the gauge?
Just purchased it and it’s fully charged and shows no bars?
I’ve got a 36v ezgo golf cart and 3 12v 100mah lithium batteries
You have to set it. I show how in the video.
Is it after setting the amp hours?
Ok just got it this time!
Thank you!
Sorry for being dense today.
Im at the 5:00 mark of the video and your explaining how the wires get connected to the shunt.
I still dont understand the purpose of the shunt.
Is this a safety device?
Does this act like a main fuse link? Is it resettable?
Does this prevent a electrical fire?
How would you check to see if the shunt is working?
If all you want to do is install this battery monitor then why cant you install it right to the battery terminals.
I’ve made a dedicated video for the shunt meter but will explain more in that video. The shunt is a device that measures amperage to/from the battery. A regular meter doesn’t work as good as the shunt meter.
@@Fentertainment OK, Thank you for that. I am interested in seeing your video.
Please provide a link to the video.
Do all golf carts have a shunt?
I dont see one on mine, so I guess this is an accessory or an upgrade.
@@brentseizer1019 no it’s an upgrade
My arrow points up when under a load and down at resting voltage. Is it defective ?
I guess that would depend if the shunt b- is only on the battery and P- is going to the golf cart, charger & accessories. If so then I would say so.
@@Fentertainment Just reviewed my amazon purchase and ended up with the knockoff of the Aili. Removing it now. I just ordered the right one. Many thanks for your speedy response.
Where do you get this product at?
amzn.to/3OS9P33
Awesome
Do you need a shunt when you are going to read only voltage?
Not for just voltage
Ok I got it hooked up on my 2 48 volt Eagle batteries but I was wondering if I could run a single wire from the fuse block negative to the shunt instead of each individual accessory negative wire .
You can, HOWEVER.... The distribution block cannot have the grounds from the battery. The Grounds have to be on the ground side of the shunt only.
@@Fentertainment …Lol..After looking the fuse box is grounded into the converter so I’m not understanding what to do .
Just ground everything into the shunt individually I guess ?
Right now I have no accessories grounded into the shunt and the gauge is showing same volts as the batteries are showing.
@@toledojeeper2932 you have 2 batteries, distribution block that came with batteries, dc converter and a 12v fuse block with ground right. Take the ground wires from the batteries that attach to the main distribution block, unhook them and attach them to the B- side of Shunt. Run a New Ground Wire between Shunt P- back to the main distribution block.
Do you by chance have a video showing the install of the batteries ?
I have a bunch of lithium swap videos on my channel but since you I guess you are referring to these then yes - ua-cam.com/video/QkAIHluHYuw/v-deo.html
Does the meter remain on when the cart ignition is turned off ?
Yes, the backlight will turn off but the meter remains to read any type of amperage in or out.
@@Fentertainment Is there anyway i can shut it down while Im away in winter for a few months?
@@WyattHaleschannel I’m sure you could add a 48v relay and run the power wire through the relay to turn it off with the key switch.
Thanks so much, Also, I have 4 trojans t-1275. It has different amp ratings. Any idea on what amp rating I set my gauge? So sorry for the questions.
@@WyattHaleschannel if that was me I would set it to the lowest amp rating out of all of the batteries. Then if you exceeded it then that’s just extra gravy.
The "Smart meter" comes with the Big Battery 2x Eagle kit. Am I glad that you produced this great video. The instructions were not good, in fact they were non existent, I called Big Battery and they emailed instructions right away, however your show & tell makes it so much easier.
My 48 Volt LiFePo battery went dead after only about twenty minutes. does a 100 amp hour LiFePo have as much range as the Trojan batteries?
Also, my HTRC charger would not recharge it from dead, it showed "Off" on the screen. so I strung out 4 x 12 volt small chargers in series to wake up the BMS which got it up to around 57 volts and that did not work.