Type: Lithium / 13 cells / 48V. Connection Mode: Same port / Split port Discharge: Over-discharge protection voltage: 2.7V0.05V Over-discharge voltage: 3.0V0.05V. Continuous working current: 4MOS=15A, 6MOS=20A. Momentary protection current: 4MOS=65A, 6MOS=80A Overcurrent conditions: charge / disconnect load. Short circuit conditions: charge / disconnect load Charging Overcharge protection voltage: 4.25V0.015V Overcharge voltage: 4.15V0.015V Continuous charging current: 4MOS=15A, 6MOS=20A Charging voltage: 56V (recommended) Same port activation Two ways to activate PACK for the first time: (1) B- and C- cables can be short-circuited once (2) Or charge to activate Split port activation Two activation methods for first PACK (-) B- and P- cables are short-circuited once (2) Or charge to activate Over temperature protection Charging over temperature -5 to 50 (standard delivery without temperature control) Discharge over temperature -30 to 70C (standard delivery without temperature control) Working current consumption: less than or equal to 40uA Internal resistance of the main circuit conduction: 15mohm Temperature range: -40 to +80C Disconnection protection: Yes Product appearance size: 63x34x7mm Color: As shown Material: PC+Metal Package contents: 1 x Protection Board(20A)