Rolls BT301 Pocket Battery Tester

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The Rolls BT301 Pocket Battery Tester is an easy-to-use, budget-friendly way to test many commonly used batteries. The tester's analog meter will tell you if the battery needs to b e replaced or charged, or if it still has life left in it. Compatible batteries include: 'AA', 'AAA', 'C', 'D', 9V, and small coin cell batteries. Show more