1、Main Function: Support battery test under starting and charging status, test and display battery voltage, rated value, measured value, internal resistance value, service life, remaining battery parameter information. 2、Other Function: Support fast and standard test mode selection, viewing battery waveform analysis, picture saving and printing function, and USB printing. 3、Multi Modes Choice: Support multiple modes and standard tests, can quickly evaluate the performance of the vehicle battery, and display the results. 4、Practical: It can covers 8 battery standards CCA, JIS, GB, SAE, MCA, CA, DIN, IEC, EN, and BCI. Supports 9 languages including English, Spanish, French, Portuguese, Italian, German, Polish, Russian, Chinese. 5、Wide Application: This battery detector is suitable for a variety of 12V batteries. It is widely used for ordinary lead acid battery, AGM flat battery, AGM spiral battery, GEL, EFB.