Thank you so much for making this! I have also been experimenting with/taking lithium ion battery packs apart to reclaim the cells for use in other experiments, I have a Redback 120v battery pack that won't charge and was taking it apart to figure out what was wrong with it, I was very afraid and very careful with the 120 volts, but this makes me feel a lot better! I was afraid to touch the terminals like you did, you are very brave! :)
It's easy to get hands sweaty (think after gloves) so the skin voltage barrier safety recommendations may be accounting for that. The times I've gotten zapped by an exposed 120v AC light switch has been after washing my hands or something like that. Be careful.
My question is would it run a plug in house hold appliance? Could you hook it up to like a vaccum cleaner or a blender or something? Compare it if it runs at all to how it runs being plugged into a regular outlet
i have one of these batteries and it wont charge on the charger anymore the light just goes green after 20 secs any ideas whats goes wrong in that battery?
my smart bms bluetooth is connected.just wondering the app says its 51,7volts and the cells are mostly 4v nearly apart from one that is 3.6v .ive tried to balance maybe need set up on bike.im waiting for new triple chainset with 52teeth for more speed.but when i measure voltage between black bms charge discharge lead to positive battery its only 16volts.is that right?
it has no effect because your body is more like a capacitor than a resistor, so high frequencies you conduct more where on DC, you are effectively charge like a bad capacitor. so you might get a small zap but quickly dissipates.
Dude, you're an alien, hah hah. Are you Hmong by any chance, don't take it the wrong way, just going by your accent cause I've met a few Hmong around my hometown the last 10 years or so. :)
Can you show how to charge that battery when power is to low for charger to recognize? I already tried the way your 20v video showed and it did not work for the 120v
I am no child prodigy but I am pretty sure that Ac Will hurt more because of the higher frequency. For example, a battery should have a frequency of around 0 Hz but the AC power from your house outputs around 50-60 Hz. Just remember the bigger the Hertz the more it hurts.
hi.im trying to test a cordless parkside impact wrench.the battery is dead just 1500mah cells were inside.theres is 3 terminals on bms that i scrapped that side onto drill that has 2 terminals + and _ .im using a 22volt 18650 battery i made for my 18v dealt drill.but the parkside drill is not working when i press switch on drill.
Does it have more than 2 terminals on the impact wrench? If it does, then the 3rd terminal might be for communications and without proper wiring to the OEM board, it won't run.
My smart bms Bluetooth came from china lithium battery’s battery.com it’s just balancing it’s showing my 14rh cell is low less than a volt but only have 13 cells at moment will have to see if it works ok as is can add another cell row it’s 13s5p now
Hi Steve - have you tried using one less cell in the 22v pack? It may help to more closely match the original voltage. TL/DR: you're probably tripping the over voltage protection circuit.
Try it with damp fingers please!! Or better yet,a little nick/cut on your finger touching the terminals. I get zaps from my 48V battery pack. Your succeptability to electric shocks depend on a lot of factors, imo this is a misinformed and dangerous video.
The company has filed for bankruptcy. The writing was on the wall when I bought a bunch of tools from them and if something didn’t work, instead of asking me to send it back they just shipped out another one.
volts dont kill u the amps do its dc also
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Then try to touch your car 12V battery. It can put out some 1000 Amps. Does it kill you?
@@vuaeco The amps kill you but you need voltage to penetrate the skin....
@@reahs4815 The point is, the other person said "amps kill u"! I'm just trying to prove my point! :D
This is simply untrue.
Amps kill you if the volts are high enough to deliver high enough amps to you
Thank you so much for making this! I have also been experimenting with/taking lithium ion battery packs apart to reclaim the cells for use in other experiments, I have a Redback 120v battery pack that won't charge and was taking it apart to figure out what was wrong with it, I was very afraid and very careful with the 120 volts, but this makes me feel a lot better! I was afraid to touch the terminals like you did, you are very brave! :)
Did you have any luck getting that 120 volt Redback charged. I'm having the same problem
I love the bms. You charge all the cells individually. Thus no balancing required. However if one breaks????
If one breaks then that's the end of the battery! :D
Man!!. You make my day sometimes with your tongue and cheek humor!!
20R is an old cell, but very good for what it is. My older (2016-purchased, 2014-manufactured) DeWalt 4Ah packs have 'em. They just keep on working!
Old? What do you know about new2ah?
Yardforce has a 120v battery too
I was hoping you could mod the yardforce mower to run a red back..as they come in 3ah yardforce only 2.5ah
Hi what metal tabs are you using as a terminal connector?
What is the cost of a Redback 120V battery.
I hope they make that battery pack with some sort of redundancy because if one of those cells fail the entire battery pack will stop work
I’ve felt 120v but 240v never felt it and don’t plan to
It's easy to get hands sweaty (think after gloves) so the skin voltage barrier safety recommendations may be accounting for that. The times I've gotten zapped by an exposed 120v AC light switch has been after washing my hands or something like that. Be careful.
Nasty, great sound effects. As usual, Leave it to you. Very entertaining. Cheater.
Regardless if this video is helpful or not....
Respect for touching it..
Respect
Loving your tear downs bro!
About how much does a battery like that cost, or what deal did you get that saw for?
My question is would it run a plug in house hold appliance? Could you hook it up to like a vaccum cleaner or a blender or something? Compare it if it runs at all to how it runs being plugged into a regular outlet
i have one of these batteries and it wont charge on the charger anymore the light just goes green after 20 secs any ideas whats goes wrong in that battery?
Same here. Frustrating. Can't recommend Redback. No one to help in the US. Ripoff
What did you end up doing with this battery?
were can i buy a REdback 120 volt chain saw with charger and battire
Thanks. This is not 120V battery. This is 3.7*30=111 Volt battery.
Can run a vacuum cleaner with that, universal motor will run on AC or DC
I heard DC is much safer than AC. youtube it. But just because you don't feel does not mean it is not destroying your insides.
Can I run multi 350W motors off say a single 60v battery?
Did you happen to see the fuse in it? What is it rated at? I'm curious about max amp draw.
my smart bms bluetooth is connected.just wondering the app says its 51,7volts and the cells are mostly 4v nearly apart from one that is 3.6v .ive tried to balance maybe need set up on bike.im waiting for new triple chainset with 52teeth for more speed.but when i measure voltage between black bms charge discharge lead to positive battery its only 16volts.is that right?
it has no effect because your body is more like a capacitor than a resistor, so high frequencies you conduct more where on DC, you are effectively charge like a bad capacitor. so you might get a small zap but quickly dissipates.
hi.just wondered .some subscribers turn off questions when they get too famous .but you don't which is good as we can all learn whoever you are.
Good stuff. Throw it on a kart
Hi , nice video by the way.Would you recomend the craftsman current clamp on meter that you are using here? Thanks!
Yes, absolutely. That's a good quality clamp meter. One problem though, it uses 9V battery.
Dude, you're an alien, hah hah. Are you Hmong by any chance, don't take it the wrong way, just going by your accent cause I've met a few Hmong around my hometown the last 10 years or so. :)
what is your next project? I can't wait to see.
Ac out of the wall would be higher amos. That's why wall Ac is more dangerous in this circumstance
Can you show how to charge that battery when power is to low for charger to recognize? I already tried the way your 20v video showed and it did not work for the 120v
My battery is sitting at 97 volts p+ to p-
You don't get suct into it ! It's the muscle contractions !
I am no child prodigy but I am pretty sure that Ac Will hurt more because of the higher frequency. For example, a battery should have a frequency of around 0 Hz but the AC power from your house outputs around 50-60 Hz. Just remember the bigger the Hertz the more it hurts.
maybe the motor dead also ?
hi.im trying to test a cordless parkside impact wrench.the battery is dead just 1500mah cells were inside.theres is 3 terminals on bms that i scrapped that side onto drill that has 2 terminals + and _ .im using a 22volt 18650 battery i made for my 18v dealt drill.but the parkside drill is not working when i press switch on drill.
Does it have more than 2 terminals on the impact wrench? If it does, then the 3rd terminal might be for communications and without proper wiring to the OEM board, it won't run.
Only 2 on the wrench but 3 on the Battery that slides onto it
My smart bms Bluetooth came from china lithium battery’s battery.com it’s just balancing it’s showing my 14rh cell is low less than a volt but only have 13 cells at moment will have to see if it works ok as is can add another cell row it’s 13s5p now
Hi Steve - have you tried using one less cell in the 22v pack? It may help to more closely match the original voltage.
TL/DR: you're probably tripping the over voltage protection circuit.
ac is different too
Try it with damp fingers please!! Or better yet,a little nick/cut on your finger touching the terminals. I get zaps from my 48V battery pack. Your succeptability to electric shocks depend on a lot of factors, imo this is a misinformed and dangerous video.
Uh...125V go-kart? Folding bicycle? Portable fan? :-)
Spoiler alert!!! :D
@@vuaeco I love you, man.
Donde puedo encontrar una de esa misma
My battery for my redback chainsaw died after 6 charge cycles. Company will not help me with it either I'll never purchase from them again
The company has filed for bankruptcy. The writing was on the wall when I bought a bunch of tools from them and if something didn’t work, instead of asking me to send it back they just shipped out another one.
@@JaminVerVelde1 hey thanks for the information. Guess that's why they would not reply to email
@@JaminVerVelde1 Good information. My battery 9and I guess my mower) is trash.
125V is DC(Direct Current) that is the reason that doesn't hurt you! All the best
I believe if your fingers was wet you would have got shocked.
Lol...what is wrong with you!
Ha ha im just kidding
Necesito una batería de esa misma
Hy,need more (Watti),after 1KW power can't call 911👌!.!
If you have sweating hands it will shock you, dry skin doesn't conduct electricity very much