1. Conductance correlates directly to the battery capacity
2. Passive testing method is safe.
3. Never discharges or drain the battery.
4. Able to test condition of discharged battery.
5. Consistent and repeatable results.
6. Provides unique indication of battery conditions.
7. Provides check the Alternator's charging and Starter's cranking conditions. It is maintenance free and no internal batteries required.
8. Powers up when connected to the battery posts during testing.