Perraban Posted November 21 Posted November 21 Hi, turning to you guys for some help I have a ninebot with code 21. Only runs in like 5 kmh. When looking for the code online it all comes down to the BMS. The battery flashes blue and has a voltage read for about 37v. The white and yellow cables on the four pin connector at the BMS, I guess these are communication and the red and black is for charging. Anyone who knows what the measurements on white and yellow should be. Guessing it would be a couple of V at least.. Anyone who have tried to bypass the BMS? Br Per Quote
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