GB Gardner Bender GBT-3502 Analog Battery Tester for AA, AAA, C, D, 9V, 1.5V button cells

• This tester tests most common household battery types to determine existing charge
• Simple "Low/Good" indicator
• Tests: AA, AAA, C, D, 9V, 1.5V button cells
• Moveable contact arm fits multiple battery sizes

The Gardner Bender Battery Tester checks if a battery is charged or needs replacing. The tester works for all battery sizes, including D, C, AA, AAA, N, 9 V rectangular, and button cells. It is small enough to fit in a pocket and comes with a one-year warranty, so you can be confident in its ability to test your batteries.