Diy: how to easily test batteries! our own non scientific test came out somewhat inconclusive the best aa battery charger?. Mx battery tester is used to test different types of batteries. it can check aa, aaa, 1.5v, & 9v battery. so it allows you to check all kind of batteries.. If you are anything like me, there are lots of batteries in various stages of discharge gathering dust around your home. this is a very simple diy battery tester that can help you figure out which battery could be used a bit more, and which one should be delivered on balistic trajectory to the recycle bin..
Battery tester, tacklife mbt01 universal battery checker for aa aaa c d 9v 1.5v button cell batteries, digital battery tester volt checker tool with 24 months warranty. Buy battery tester for aa / aaa / c / d / 9-volt rectangular and button cell batteries on amazon.com free shipping on qualified orders. Rechargeable_battery_capacity_tester.pde. so now i can test batteries that won't fit in the aa battery holder. a diy music dance robot..