Mark 3 Battery Specification View Mark 3 Battery User Manual Battery Type 21700 Lithium-Ion Polymer Battery Net Weight 14lbs/6.4kg Unit Size 20"L x 8"W x 4"H / 51cm x 21cm x 11cm Capacity 1022Wh DC Charge Input Voltage 12V-60V Charge from 0% to 80% About 2 hours (by official power adapter) Safety Short protection Overcurrent protection Low voltage protection Over temperature protection Chainable Supports connection of up to 5 battery units for charging or discharging Operating Temperature 14°F-104°F/-10?-40? Output Power Max 550W Output Voltage 42V-58.8V 12V Anderson Output 12V/10A Max(120W) USB Type C PD(100W Max) USB Type A QC 3.0 18W Charging Method Power adapter from the wall outlet Solar Panels Cigarette Port Charging Limited Current 10A Charging while discharging Yes