Activair Battery Tester

Easily check the power level of hearing aid batteries with this Battery Tester. It offers universal storage for 6 small or 4 large tab batteries and features a bright, easy-to-read meter to inform you when it's time to change battery. The compact size of 3 1/2"W x 1 5/8"H x 3/4"D makes it perfect for any environment. Get your Activair Battery Tester today!