Digital LCD Universal Battery Tester – Portable Battery Checker for AA AAA C D 9V 1.5V 3.7V Button Cell – Household Battery Capacity Detector, Rechargeable Batteries Analyzer, Voltage & Power Tester

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⚡ Power up your peace of mind—test smarter, save bigger!

This Digital LCD Universal Battery Tester is a versatile, portable device that quickly and accurately measures voltage and capacity of a wide range of household batteries including AA, AAA, C, D, 9V, button cells, and popular rechargeable types. Powered by the battery under test, it requires no internal batteries, offering instant GOOD/LOW/REPLACE feedback on a clear LCD screen. Designed for professionals and home users alike, it helps reduce waste and save money by extending battery life and ensuring reliable power for everyday electronics.