Hearing Aid Battery Tester a) check power status of hearing aid battery b) help save money on battery &protect environment

Hearing Aid Battery Tester

Model: BC-02 

Features:

* Innovative design * Analog indicating * no extra power-supply required * with 2 battery compartment 

Specificaiton:Check power status of all size hearing aid batteries RED area: Means battery should be replaced YELLOW area: Means battery is weak GREEN area: Means battery is at good power status Can also check power status of other 1.5V button cell

Hearing Aid Battery Tester