[Skupik]

Hi
I got some old Voi Tank/Ninebot batteries.
I would like to know is it possible to wake them up and use built-in BMS, or should I change it?

Pushing the reset button doesn’t change much.
LED starts blinking either red or blue, but no voltage is present.

[koskvold]

Is it charged ? and try connecting to iap through uart with whole setup and see the bms firmware

[Skupik]

Yeah, it's fully charged. Around 40V on the cells. But no significant voltage on the output. Only 5-7V present.

[koskvold]

Yeah, it's fully charged. Around 40V on the cells. But no significant voltage on the output. Only 5-7V present.

U have to st-link the battery or uart if u have a scooter. the voi bms i pretty good so no plug and play!

[tester4321]

What I did on mine is there’s a B+ and P+ and B- P- connections . U tap right into both Bs connections to get the power and use the charging port to charge. I assumed P is for protections. Once I did that then put it under load, it didn’t shut off. So I’m able to use stock bms. My battery came from Spin xrental got from fleabay

[Scootermansussex]

Got any photos
Of how you done spin BMS