Waveshare UPS HAT For Raspberry Pi, 5V Uninterruptible Power Supply, Multi Battery Protection Circuits, Power Your Pi Seamlessly From Power Connection OR The Backup Batteries

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards like Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/Zero WH I2C bus communication, monitoring the batteries voltage, current, power, and remaining capacity 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 Onboard 5V regulator, up to 2.5A continuous output current.5V USB output, convenient for powering other boards Batteries warning indicators, easy to check if the battery is connected correctly.Comes with development resources and manual