Waveshare UPS HAT for Raspberry Pi, 5V Uninterruptible Power Supply, Multi Batt Protection Circuits, Power Your Pi Seamlessly from Power Connection OR The Backup Batt

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 batt voltage, current, power, and remaining capacity in real time

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 5 V regulator, up to 2.5 A continuous output current. 5 V USB output, convenient for powering other boards

batt warning indicators, easy to check if the batt is connected correctly. Comes with development resources and manual (English language not guaranteed)