Work on a wide variety of 12V 24V automotive lead-acid batteries:100~2000CCA Regular Flooded, AGM Flat / Spiral, GEL, and EFB. Car Battery Tester 24V 12V Load Tester, TOPDON BT200 100-2000CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht.