Home / Shop / Batteries, Testers and Tools / Activair Battery Tester View cart “Mirror-Go-Round” 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 Rayovac Proline Batteries Size 10 $27.99 Add to cart 40 Rayovac Premium Batteries: Size 675 Blue $20.00 Add to cart Rayovac Proline Batteries Size 312 $27.99 Read more Hearing Aid Dehumidifier (Duck) $9.95 Add to cart