Product features: Battery reverse charging protection, with comprehensive overcurrent and short circuit protection functions, no need to immediately cut off the power supply after being fully charged, built-in overcharging prevention function, and this slot is equipped with an indicator light.
When charging, it displays a red light, and when fully charged, it turns green. The USB charging interface supports various devices for charging. It is connected to a 5V power plug and can be directly plugged into the USB interface for use. The computer/power bank/socket can be used with a USB interface. Stop when fully charged, with built-in battery protection system to prevent overcharging and long-term charging issues. Anti backcharging design, automatic battery protection, overcharge protection, precise stop charging.