so looks like the smoke stayed in. all new 14x 48v 40Ah lithium cells, and a new charge balancer board. i couldnt find one that does 250amps, so i put the 50amp board to the charger, and tapped the cuttoff fet gates to the original 250A board to the motor. way more kick in the pants than i am comfortable on 2 wheels with. quantya.
electric motorcycle battery pack rebuild