Home / Shop / Batteries, Testers and Tools / Activair Battery Tester View cart “Stay Dri Dehumidifier Jar” 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 Decibullz Custom Molded Earplugs $25.99 Select options Rayovac Proline Batteries Size 13 $27.99 Add to cart Hearing Aid Battery Caddy $3.99 Add to cart Rayovac Proline 675 Hearing Aid Batteries $45.00 Add to cart