raspberry pi ups 2 Articles . ... 2014 by Bryan Cockfield 45 Comments . As versatile as the Raspberry Pi is, ... including circuit diagrams and the source code.

The Pi16340 Smart Raspberry Pi UPS uses a smaller 16340 form factor Li-Ion battery which provides additional run times when power is lost or for remote applications.

The boost circuit maintains the voltage to the Pi at 5.1V for battery voltages of 3.7V to 4.2V. The jumper allows you to disable power to the Pi and Isolate the battery circuit or start the Pi.

The Waveshare UPS HAT (E) offers an inexpensive, easy way to add battery backup to a Raspberry Pi project. It’s compatible with Raspberry Pi 5, 4B and 3B+ boards and accepts four 21700 lithium ...

I just ordered a “UPiS Advanced” UPS for my raspberry pi for the same reason (making a wall-mounted waterproof media centre that gets switched on/off directly from the mains).