Product Description
Hearing Aid Battery Tester
Model: BC-02
* Innovative design
* Analog indicating
* no extra power-supply required
* with 2 battery compartment
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