【Entry-Level Battery Tester】 Test and analyze your 12V lead-acid battery with ease. Compatible with 100~2000CCA regular flooded, AGM flat plate/spiral, EFB, and GEL for their optimum performance. Car Battery Tester 12V Load Tester, TOPDON BT100 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht.