Please note:
The battery model you purchased is DCH 009. Open the battery handle to check the model.
The key is a power switch, please operate it correctly according to the label on the battery.
Removing the key will disconnect the power and the battery will stop working.
This design is to prevent the battery from continuing to consume electricity after it stops working.

48V 10.4Ah / 14Ah with 30A BMS Apply for: 350-1000W Motor Nominal Voltage: 48V Rated Capacity: 10.4Ah / 14Ah Watt Hours:499.2Wh / 672Wh Configuration: 13S4P (52 cells) Battery Cell: 18650 Brand cell   Max Constant Discharge Current:30A( BMS) Peak Discharge Current: 60A Charge Cut-off Voltage : 54.6V Discharge Cut-off Voltage : 35.7V~39V Battery Weight: 3.2kg Charging current: 2A

48V 13Ah / 17.5Ah with 30A BMS Apply for: 350-1000W Motor Nominal Voltage: 48V Rated Capacity: 13Ah / 17.5Ah Watt Hours: 624Wh / 840Wh Configuration: 13S5P (65 cells) Battery Cell: 18650 Brand cell   Max Constant Discharge Current:30A( BMS) Peak Discharge Current: 60A Charge Cut-off Voltage : 54.6V Discharge Cut-off Voltage : 35.7V~39V Battery Weight: 3.8kg Charging current: 2-3A

Caution:

Do not put the battery in water and keep the battery in a cool dry surrounding.

Do not use or leave the battery near a heat temperature (in fire or a heater)

Do not reverse the position and the negative terminals.

Do not open the battery if you are an amateur, it is very dangerous.

Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.

Do not transport or store the battery together with metal objects such as hairpins, collars, etc.

Do not directly solder the battery and drill the battery with a nail or other sharp objects.