Charging interface type: For DC head charger. Rated Voltage / capacity: 48V / 10Ah. W: 3.50KG/3.70KG. Batteries combinations: 13-S, 4-P. Component: Li(NiCoMn)O2. Discharge cycle life: 1000 times(? 80%). Max voltage:54.6V. PCB board Protectio: Yes. BMS board Protection: Yes. 1 x Lithium Battery with ABS case(Base discharge). 1 x DC Head with 3 pins UK charging cord (54.6V 2.0A).