Test device for many types of rechargeable and batteryThis compact user-friendly tester indicates the energy content of most common rechargeable batteries and batteries within a very short time. This makes it clear quickly whether your rechargeable battery or battery still has sufficient energy or should be exchanged better.LC displayWith decimal display of the battery/ battery voltage in volt and additional bar display with 22 segments.Easy to UseThe voltage of the battery type to be tested is set by the side sliding switch: 1.2V NiMH-battery / 1.5V battery / 3V lithium battery / 3.6V Li-ion battery.1. Pull out the side battery compartment2. Insert battery with correct polarity3. Slide the battery compartment closed4. DisplayA 9V Block can be tested directly on the contacts. The position of the slide switch is not relevant for this. The tester itself does not need its own batteries to supply power.The following battery sizes and types can be tested:1.5V batteries: AAA (mini) / AAA (mi