What's wrong with my BMS wiring?

ESK8 Electronics
,
#1

Hey everyone,

I am having some problems with my BMS setup. I went for a charge only BMS and set everything up according the wiring schematics in the image below. But my batteries don’t seem to charge. What am I doing wrong here?

bms

Thanks for the advice!

#2

Not sure to be honest, your wiring looks good. Maybe double check all connections again and if nothing is found you may have a bad bms

1 Like
#3

Is there anyway I can check if my BMS is bad?

#4

I unplugged my balance wires and it is charging now. Could that mean my balance wires are in the wrong order?

#5

Yeah, they were most likely in the wrong order

1 Like
#6

Thanks for your help! I checked the voltage on my balance wires:

  1. 4 V
  2. 7.6 V
  3. 10 V
  4. 14 V
  5. 17.4 V
  6. 17.4 V
  7. 21 V
  8. 24.3 V
  9. 28 V
  10. 31.7 V

The values seem oke right? So would the BMS be broken than?

#7

Did you plug them in that order? Make sure that your 1-5 wires come from the battery that supplies the negative lead to your esc

#8

Edit: pictures says more then 1000 wordsimage

3 Likes
#9

Thanks a lot! It’s working now.

#10

No probs! 10char

2 Likes