BTMobile Pros is TOPDON®’s latest Battery Analyzer addon for Phoenix range diagnostic tools. It works on 12V batteries within the 100-2000 CCA. It also meets CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, and GB battery specifications. It uses cutting-edge conductivity detection technology to pinpoint bad 12V battery cells. It outputs easy-to-understand information about the vehicle battery health, the alternator's charging, and the starter's cranking conditions. The built-in Ultra Safe function can protect against short circuits, reverse polarity, and over-voltage that allow it to connect to any battery safely.