BK S2
Nominal Voltage 36V Max. Charge Voltage 42V Cut-off Voltage 31V Capacity 13 Ah (468 Wh) Max. Rated Current 18A Max. Charging Current 3A Cell Format NMC-18650 Cycle Life up to 1000 charge/discharge cycles, >60% remaining capacity after 500 cycles Storage -5~35°C