Avoid interrupting the surveillance of your property with the extra Vosker Rechargeable Battery. This additional lithium battery will allow you to quickly replace the battery in your Vosker camera on site. To charge the battery, simple connect the USB cable (supplied with the camera) to the battery port. The light will turn from red to green to indicate that the battery is fully charged. The charger will automatically stop recharging when the green light appears.• Compatible with the Vosker V300 security camera• USB-C port• Capacity: 14, 000 mAh USB-C port for easy charging USB cable not included 14, 000 mAh capacity | Vosker Extra Rechargeable Lithium Battery for V300 Security Camera in Red