DEHAWK S2-2418H E-Bike Universal Battery Kit 24V 18Ah 432Wh [Black]Specification BK S2 Nominal Voltage 24V 36V Max. Charge Voltage 29V 42V Cut off Voltage 21V 31V Capacity 18 Ah (432 Wh) 13 Ah (468 Wh) Max. Rated Current 18A 18A Max. Charging Current 3A 3A Cell Format NMC 18650 NMC 18650 Cycle Life up to 1000 charge discharge cycles, >60% remaining capacity after 500 cycles up to 1000 charge discharge cycles, >60% remaining capacity after 500 cycles Storage 5~35C, relative humidity <75% 5~35C, relative humidity <75%