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Tests AAA, AA, C, D, 9v and button cell batteriesEasy-to-read scale4 1/2" x 2 1/2"
Don't go spending money on new batteries without testing the ones you've got on hand first! This quality battery tester works on AAA, AA, C, D, 9v and button cell batteries. The scale is easy to read, and at 4 1/2" x 2 1/2", it's easy to store.
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For the price I bought two of these, one to actually use and the other is a backup I keep in one of my emergency supply buckets. My girlfriend and I were able to check 50+ batteries we were unsure about with ease, it killed some time but it was also surprisingly fun (I'm getting old). The amount of time it saved me by tossing out bad batteries far surpassed the $5 price tag. I will probably buy more as stocking stuffers this Christmas.
I've had mine for a couple years now and it still works great. It has saved my bacon several times over by letting me know about low battery status before finding out the hard way when I'm out in the field. I strongly recommend this tester.
Totally saved me the five bucks that I paid for it already.
Would buy again if this one ever brakes.
I put it with my batteries so I can check them before I through out the old ones
Light weight but works for all the ones I checked.