SpecificationNominal Voltage: 36VNominal Capacity: 4.4AhConnection: 10S2POver-charge protection voltage: 42V (single 4.2V)Over-discharge protection voltage: 25V (single 2.5V)Max. continuous discharge current: 20ACut-off discharge voltage: 2.5A(any single battery)Dimension: 58*85*135mmContinuous working current: >15VCharging current: 0.5CCharging temp.: 0~45℃, 45~85%RHDischarging temp.: -20~55℃, 45~85%RHStorage temp. : -20~55℃