48V 14Ah with 30A BMS. Rated Capacity: 14Ah. Do not directly solder the battery and pierce the battery with a nail or other sharp objects. Do not connect the battery electrodes to an electrical outlet.
【Built-in BMS】A bms is the battery guard, which can protect battery, such as overcharging, overdischarging, and short circuit. 【Power switch】Turn on the battery before use, turn off the battery finish your riding which can save power.