Sometimes these old Radio Shack battery testers can stop working due to the paint rubbing off the spring that puts pressure on each battery.

Once the paint is gone the spring shorts everything out and reads bad battery.

It's easy to fix by taking the back cover off and inserting a piece of electrical tape behind the spring.

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About us: Anna Hess and Mark Hamilton spent over a decade living self-sufficiently in the mountains of Virginia before moving north to start over from scratch in the foothills of Ohio. They've experimented with permaculture, no-till gardening, trailersteading, home-based microbusinesses and much more, writing about their adventures in both blogs and books.



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