Home / Shop / Batteries, Testers and Tools / Activair Battery Tester View cart “40 Rayovac Premium Batteries: Size 13 Orange” 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 ZPower 312 $40.00 Read more Rayovac Proline Batteries Size 13 $27.99 Add to cart Hearing Aid Dehumidifier (Fish) $9.95 Add to cart Hearing Aid Battery Caddy $3.99 Add to cart