... RS-232) Test Condition Without Shutting Down Battery. Simultaneously Measure Battery Resistance, Voltage, Current, Temperature. Auto- ... Storage Battery Systems Battery Capacity Testers, Check battery condition in seconds, with the battery in service! Battery Types Tested ... condensing.Maximum Input Voltage60VDCPower Supply or AC AdapterSix AA size 1.5V alkaline batteriesBattery Life5.5 hoursWeight ...