A lithium-ion battery is specially designed to power devices that use 12V power. It has built-in ON / OFF switch to save energy. A large mAh value means long battery life. Integrated overload / discharge protection.

E.g. Battery light time when using a twin-tube lamp 12v (37.22) is 5-6 hours.

Battery charging:
Turn on the battery switch to "ON", the red light on the charger lights up, which means that the battery is charging (if the battery is full, the green light will be on); Charging time is usually longer than 8 hours.

Specifications:
Size: 127 * 65 * 23mm (battery)
Capacity: 20 000 mAh
Battery type: rechargeable Li-on battery.
Input voltage: 12.6V
Output voltage: 10.8 ~ 12.6 DC
Output current: 1-2A
Interface Interface Specifications 5.5 * 2.1MM
Product life: charging and discharging more than 500 times