Features
Easy to install
Enhanced power management
Remote OTA firmware upgrade
Programmable BACK-TO-AC auto power up
Programmable sample period
I2C communication
Standalone RTC
Support stacked battery design

Specifications
Current/voltage monitoring of Raspberry Pi power supply port.
Battery terminal current/voltage monitoring, supports two-way monitoring of charge and discharge.
Independent RTC function.
OTA function (supports forced upgrade mode and active upgrade mode).
Power estimation
Note: At least one full charge and discharge cycle must be completed!)
How to use,please refer to Plus is a new generation of UPS power management module which supports OTA firmware upgrade and supports RTC onboard.
There are two INA219 chip onboard to detect batteries voltage and the voltage output from UPS Plus to Raspberry Pi.
Compatible with Raspberry Pi 5/4B/3B+/3B/2B/B+/B/A+/A
Package Inlcudes:1 x UPS Plus For Raspberry Pi,4 x M2.5 copper pillar,4 x M2.5 screws,4 x M2.5 long copper stick,4 x M2.5 nuts,1 x Acrylic shield,1 x Instruction