1Main 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. 2Other Function: Support fast and standard test mode selection, viewing battery waveform analysis, picture saving and printing function, and USB printing. 3Multi Modes Choice: Support multiple modes and standard tests, can quickly evaluate the performance of the vehicle battery, and display the results. 4Practical: 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. 5Wide 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.