This small and compact hearing aid battery tester by Rayovac® is a quick and easy way to test all zinc air hearing aid batteries.
It has been designed to include a handy key chain for carrying, as well as a useful battery compartment to store up to 2 spare hearing aid batteries.
Packaging: Cardboard backing with plastic holder
Please note: Batteries are not included in purchase.
Warning: Please keep hearing aid batteries out of reach of small children.