More Relative Video https www youtube com watch v 2s5U dSzkMwDescription This product can detect all 12V car batteries Supports 12 languages can be upgraded online for free http www konnwei com can print car fault codes on the computer Function Identify battery status Good or Replace Check Battery Capacity Cold Cranking Amps CCA DIN EN and IEC information relative to battery rating Check Internal resistance value m Display Life in percentage Battery Cranking Test load test Battery Charging Test Ripple Test Graphing voltage real time monitoring Test results storage and review Print test results and battery report on PC Life time upgrade freeFeature 1 Fast and smooth running speed with STM32 chip set hardware 2 Accurate test results using high precision amplifier and calibrated by professional battery testing tool 3 Wide testing range cover from CCA 100 2000 30 220 AH best in the market 4 Industry initiative graphical Battery Voltage real time monitoring 5 Unique battery results display in percentage 6 Test all automotive cranking lead acid battery including ordinary lead acid battery AGM flat plate battery AGM spiral battery and Gel battery etc 7 Polarity reverse connection protection reverse connection will not damage the tester or affect the vehicle and battery 8 Directly test the battery with loss of electricity no need to full charge before testing 9 Testing standards include currently the world s majority of battery standard