In those cases, you need the ability to run your Raspberry Pi on battery power ... MakerHawk has a $33.99 solution that uses size 18650 batteries. If you're familiar with Raspberry Pi boards ...
He built a USB power bank with an 18650 cell. While it would be ... to one of [patrick]’s earlier projects, a battery backup for the Raspberry Pi. This earlier project used an 14500 cell and ...
you could run any OS you'd like. Changing out the SD card makes it easy to swap between a regular desktop or something dedicated to gaming, like RetroPie. If you want to see this Raspberry Pi ...