Raspberry Pi UPS HAT Uninterruptible Power Supply Stable 5V USB Output Battery Warning Support For Rasberry Pi4 4B 3B Plus Pi3

Introduction:UPS HAT For Raspberry Pi, 5V Uninterruptible Power Supply, Multi Battery Protection CircuitsFeatures:1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. I2C bus communication, monitoring the batteries voltage, current, power, and remaining capacity in real-time3. Multi battery protection circuits: overcharge/discharge protection, over current protection, short circuit protection, and reverse protection, along with the equalizing charge feature, more safe and stable4. Onboard 5V regulator, up to 2.5A continuous output current5. 5V USB output, convenient for powering other boards6. Batteries warning indicators, easy to check if the battery is connected correctlySpecifications:1. Output voltage：5V2. Charger：8.4V 2A3. Control bus：I2C4. Battery supported：18650 Li battery (NOT included)5. Dimensions：56mm x 85mm6. Mounting hole：3.0mmRefer to get more information://www.waveshare.com/wiki/UPS_HATPackage included:1 x UPS HAT ( not include Raspberry Pi and battery )1 x Female Pin Header1 x Set Screws1 x 8.4V Charger