Long Life Time:Long life 1000+ cycles, quality grade a cell, riding time longer than ordinary batteries. With USB interface, led battery indicator, power switch, safety lock it can anti-theft when you outside activity, cell balance and other functions. Battery Cells Tested: These ebike battery cells 18650 has been tested for charging and discharging before shipping. Smart BMS protective plate, which protects battery from over-charge, over-discharge, over-voltage, over-current, short-circuit and temperature protection. Waterproof & Anti-theft:The battery is protected by a waterproof and sturdy plastic case. Customized high-end packaging for the battery, which can be easily carried. For safety, we suggest that the battery is not in contact with water directly. Hailong Battery Application: USB Port could use on other devices, like phone, blue speaker. 36V lithium battery is compatible for electric scooter, motorcycle, tricycle, folding bike, city bike, balance car. Please check & confirm your vehicle volt before you placing order.