Originally Posted by dye7barrel
Much more fun to rummage around in an old box and guess if the wife put dead batteries in with the fresh ones. Guess I like to live on the edge.



I have been using a couple of these for over 30 years, handy gadgets.
Its been so long I don't remember where I bought them, local store for sure

https://www.menards.com/main/electr...ttery-tester/3645030/p-1501761038059.htm

This tester tests most common household battery types to determine existing charge
Simple "Low/Good" indicator
Tests: AA, AAA, C, D, 9V, 1.5V button cells
Moveable contact arm fits multiple battery sizes