Pack type: Inner Tube Capacity: 36V14Ah Connection: 10S4P Cell No.: 40 Cell type: 18650 Cell capacity: 3500mAh Size: 88*40*345mm Power: 504Wh BMS: smart or standard Charging current: ≤3A Discharge current: 15A Charging port: DC2.1 LED indicator: No Case material: Aluminum/PC+ABS Lock: power lock