... Battery 2).Compact and Light weight 3).RS-232 TES-33 Battery Capacity Tester (RS-232) Test Condition Without Shutting Down Battery. ... , Alkali and lead-acid batteries..Battery Capacity 0 to 1200AHResistanceRanges : 4mΩ, 40mΩ, 400mΩ, 4Ω, 40Ω, 400Ω Resolution : 1μΩ , 10μΩ , 100μΩ , ... 1mV, 10mV Accuracy : ±(0.1%rdg ±6digits)TemperatureRange : -20 to 60 (-4 to 140)Resolution :0.1 / 0.1Accuracy : ±1 / ±1. ...