This easy-to-use battery tester checks the charge level of multiple battery types, including AA, AAA, C, D, 9V, and button cells. Compact and portable, it requires no internal battery to operate, just insert your battery and read the clear analog dis play to see if its good, low, or needs replacing.

Tests AA, AAA, C, D, 9V and button cells
No battery required to operate
Clear analog display shows battery status
Compact, lightweight & easy to use
Helps avoid battery waste by identifying usable cells