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High Accuracy Digital Battery Tester with 2 battery drawer, powered by long-lasting 3V lithium battery
This hand sized case has a two-battery storage compartments and larger LCD window for clear viewing. Checks strengths of all types of hearing aid batteries.
Storage compartment for 2 extra batteries
Larger Digital LCD display with 20 bar-‐graphs
Powered by 3V Lithium Battery; eliminates power consumption while testing hearing aid battery