Specifications: nominal voltage 12.8 V; nominal capacity 100 Ah; built-in BMS board with permissible current of 50 A; accumulated energy 1280 W * h; number of charge / discharge cycles > 6000 cycles at a discharge depth of 80% and completion of operation upon reaching the maximum capacity of 70% of the nominal value; self-discharge within a month no more than 3.5% at a temperature of 25 degrees Celsius; charging voltage 14.6 V and a deviation of 0.2 V; charger current: 20 A; maximum charging current: 50 A; maximum continuous current: 50 A; maximum pulse current: 200 A (no more than 3 s); discharge cut-off voltage: 10.0 V; charging temperature: from 0 to 45 degrees Celsius at a relative humidity of 35 to 85%; operating temperature: from –20 to 60 degrees Celsius at a relative humidity of 35 to 85%; storage temperature: from 0 to 45 degrees Celsius at a relative humidity of 35 to 85%; water protection rating: IP65; case material: ABS plastic; overall dimensions (L / W / H): 260 * 168 * 215 mm; weight: 9 kg; contact type: M8 thread.