A convenient key ring battery tester with an LCD display to tell you if there's power left in your hearing aid batteries.
The display will show a simple tick or a cross to indicate whether or not the battery has any life remaining in it.Key Benefits:
This Rayovac battery tester has an LCD display making it great for quickly checking the charge of your hearing aid batteries. It will display a simple 'tick' or 'cross' to indicate whether the battery has any life remaining in it. It has a sliding storage drawer for two spare batteries (batteries not included). It's powered by 2 x LR44 batteries (included). Many other battery testers rely on the batteries they are testing for their charge, making them less reliable than this model.
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