Red light is displayed when charging, and turns green when fully charged.
The USB charging interface supports charging a variety of devices, and can be directly plugged into the USB interface when connected to a 5V power plug. Computer/power bank/socket with a USB interface can be used.
Stop when fully charged, with its own power protection system to prevent overcharging and long-term charging problems.
Anti-reverse charging design, automatically protect the battery, overcharge protection, and stop charging accurately