Battery tester digital universal 1.5V 9V AA Mignon Micro AAA Tester Battery

Battery size: 9V; Good: 9V~7.8V; Low power: 7.7V~6V; Replace: Bottom: 6V. BT-168D Universal Button Multiple Size Battery Tester For AA/AAA/C/D/9V/1.5V LCD Display Digital Battery Tester Volt Checker.

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