FOXWELL BT100 12V Car Battery Analyzer Tester Digital Battery and System Tester for Flooded, AGM, GEL The latest BT100 pro allows you to test 12V regular flooded, AGM flat plate, AGM spiral and gel batteries as a low cost solution. It provides a quick, easy and affordable solution for technicians to check battery health and detect faults. Analyze the battery healthy status and view battery charging status, DETECTS bad cells Large backlit LCD display, clear arranged keypad and menu-driven operation make it extremely easy to use. No software installation is required, no updates required, you can use it directly. Automatic temperature compensation; Multiple vehicle applications  passenger cars and light duty trucks Good device for HOME USER and Economical: Allows you independently verify battery tests performed by others, and avoid costly or annoying errors. Portable design, easy operation and convenient collection.