Battery repair, rebuild e-bike Bosch Powerpack 400, 36V 11Ah 400Wh, Model 0275007503

E-bike battery repair, rebuild, cell replacement for Bosch Powerpack 400 Frame, 36V 11Ah 400Wh, Model: 0275007503. We replace the old cells with higher capacity ones and the battery becomes 13.2Ah (475Wh) instead of 11Ah (395Wh) that was before.