COMPATIBILITY Refer to the battery label for battery type and CCA values (Cold Cranking Amp). 1. Regular Flooded 2. AGM Flat Plate 3. AGM Spiral 4. GEL 5. EFB Note: If your vehicle battery is not the battery mentioned above and you are not sure about which type it is, please choose AGM to conduct test, and the error is within 10%. WHAT IS IN THE BOX TOPDON BT50 Vehicle Battery Tester User Manual