Use this Digital Battery Charge Indicator to check the charge on all types of hearing aid button cell batteries. Compact and easy to carry in your pocket or purse, the tester will indicate if the battery is good or bad.
It incorporates the latest digital technology and features a convenient built-in sliding battery case that accommodates two 675 type cells (or smaller).
It incorporates the latest digital technology and features a convenient built-in sliding battery case that accommodates two 675 type cells (or smaller).
