Waveshare UPS HAT Compatible with Raspberry Pi 5V Uninterruptible Power Supply Multi Battery Protection Circuits Charge and Output at The Same Time

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards. Comes with development resources and manual. I2C bus communication, monitoring the batt 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. Multi batt 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. Onboard 5V regulator, up to 2.5A continuous output current 5V USB output, convenient for powering other boards. batt warning indicators, easy to check if the batt is connected correctly. It is able to charge the batt and provide power output at the same time from external power supply. Automatically switch over to batt output if external power supply is unavailable, keeps the system running without any trouble.