How to Quickly Use a Coin Cell Battery in Breadboard

Gather some breakaway headers and a battery in this case a cr1225 type. Snap off 2 pins of the header and pinch the + and GND between those pins.

Straight headers tend to hold a bit better but the right angle work fine too. If its needs to be more rigid the battery can be soldered as well.

Almost 3volts! A simple way to add that battery backup when needed in a pinch!