Home / Shop / Batteries, Testers and Tools / Activair Battery Tester View cart “Hearing Aid Dehumidifier (Fish)” has been added to your cart. $15.00 Activair Battery Tester Hearing aid battery tester Analog reading shows battery life Features a battery storage compartment Activair Battery Tester quantity Add to cart SKU: ATEST Category: Batteries, Testers and Tools Tag: Copied From Estes Related products Mirror-Go-Round $15.00 Add to cart Clarity Alto Digital Corded Phone $159.95 Add to cart Rayovac Proline 675 Hearing Aid Batteries $45.00 Add to cart Rayovac Proline Batteries Size 13 $27.99 Add to cart