Wide Battery Coverage: works for 100 to 2000CCA regular flooded, AGM flat plate, AGM spiral, Gel, and EFB;. TOPDON BT100 Car Battery Tester 12V Load Tester, 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht.