Waveshare Uninterruptible Power Supply (UPS) Module, Supports Charging and Power Output at the Same Time, 3S & 5V 5A Output, Compatible with Raspberry Pi Board

It is able to charge the batteries and provide power output at the same time from external power supply. Automatically switch over to batteries output if external power supply is unavailable, keeps the system running without any trouble
Adapting various interfaces via cables, easy to integrate into mobile robots or industrial control equipment. I2C bus communication, monitoring the batteries voltage, current, power in real time
Multi battery protection circuits: over charge/discharge protection, over current protection, short circuit protection, and reverse protection, along with the equalizing charge feature, more safe and stable