... Battery 2).Compact and Light weight 3).RS-232 TES-33 Battery Capacity Tester (RS-232) Test Condition Without Shutting Down Battery ... to 1200AHResistanceRanges : 4mΩ, 40mΩ, 400mΩ, 4Ω, 40Ω, 400Ω Resolution : 1μΩ , 10μΩ , 100μΩ , 1mΩ , 10mΩ , 100mΩ Accuracy : 4mΩ±(2% reading ±8digits) 40m ...