The ZTS Multi-Battery Tester provides a comprehensive means of testing the state of charge or state of power for more than 25 battery types. This microprocessor-controlled instrument is designed to test popular primary (non-rechargeable) and rechargeable batteries using a patented, high accuracy pulse load test. After a fully automatic test cycle, percentage of remaining battery capacity is indicated on the LED bar display. Battery types are clearly labeled next to appropriate contacts. There are no switches or settings, and test results are easy to understand. Tests NiMH, Alkaline, Lithium, coin type and more.