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Raspberry Pi: Uninterruptible Power Supply UPS HAT for Raspberry Pi 4B/3B+/3B. Onboard 5V regulator, up to 5A continuous output current, more sufficient power source for Raspberry Pi. 5V USB output, convenient for powering other boards^^Uninterruptible
Power: 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^^Real time monitoring: I2C bus communication, monitoring the batteries voltage, current, power, and remaining capacity in real time. When the voltage dips too low, it is possible to save files properly and then shutdown the system by software, to avoid any data loss^^Safe and stable circuit design: Protection circuits for over charge/discharge, over current, short circuit, and reverse along with the equalizing charge feature, more safe and stable^^Comes with Online Development Resources and Tut