52V 15Ah E-bike Battery Lithium Li-ion For 50W-1500W Electric Bike/Bicycle motor motor + Charger. With on/off button, help you save more power. With Secure Lock, avoid your battery be stolen. Lighted battery LED power Indicator, inform you charge your battery on time. Each pack have ran through a full charge and discharge test in produce, to make sure you are getting every amp hour you paid for. Built-in BMS can protect battery. With Strong Battery Manage System. Apply for: 52V/48V 0-1500W Motor. Configuration: 14 Series 5 Paralles (70 cells). Battery Cell: Top-A grade 3000mah. Max Constant Discharge Current: 40 A(BMS). Charge Cut-off Voltage: 58.8V. Discharge Cut-off Voltage: 39.2V42V. Battery Weight: 4.5kg. With Charger: 58.8V 2A. 1:We provide 30 days return/replacement. If you need to return, please.