My Xiaoxiang 6S-22S BMS does not balance my Nissan Leaf battery pack. It's a 14S pack, 4.2V per cell and 58.8V fully charged. My charger cuts out at (I think) at 57.9.
My problem is that my motor does not turn and only occasionally I have continuity thru the BMS (yes, occasionally, it seems to be "charged" when I use my DMM and checks continuity and voltage) and three times the rear wheel has moved a little. Then continuity is gone and voltage is very low if I measure from battery- and controller+.
I think that the big difference between the cells, 0.2V, is what's causing this. I think that the BMS cuts out because of the big difference. The BMS does balance but only those that are high already, not the ones that are lower. It did balance 11-14
My problem is that my motor does not turn and only occasionally I have continuity thru the BMS (yes, occasionally, it seems to be "charged" when I use my DMM and checks continuity and voltage) and three times the rear wheel has moved a little. Then continuity is gone and voltage is very low if I measure from battery- and controller+.
I think that the big difference between the cells, 0.2V, is what's causing this. I think that the BMS cuts out because of the big difference. The BMS does balance but only those that are high already, not the ones that are lower. It did balance 11-14