Compatibility Please be noted that battery type and CCA values (Cold Cranking Amp) marked on the battery label. Please refer to it before using BT MOBILE lite. 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%. LED Indicator Indicator Display Battery Status Solid Blue Successful Bluetooth Connection 4 5 Features EN Solid Green Good Battery Connection