Activair Battery Tester Posted on April 27, 2020 by Elevate Audiology $15.40 Activair Battery Tester quantity Add to cart SKU: ATEST Category: Battery Testers & Tools Description Description Hearing aid battery tester; Analog reading shows battery life; Features a battery storage compartment Related products Digital Battery Tester $10.25 Add to cart Battery Easy Removal Tool $7.65 Add to cart Single Battery Caddy with Chain $5.50 Add to cart