Included: 1x 48V 13AH lithium battery; 1x 54.6V, 2A battery charging cord, 2 keys, mounting plate. Electric Bike Battery Specifications. Composed Type: 13Series 6Paralles 13S6P. Cells: Powerful 3.7V 2500mAh 10A 5C Cells. BMS: 30Amp continuous 100±10Amp maximum. Charge Cut-off Voltage: 54.6V. Discharge Cut-off Voltage: 39V. Discharge Temperature: -20 to 65°C. Charge Temperature: 0 to 45°C. Battery Weight: 3.7kg. Cycle life:? 80% capacity after 1000 cycles.