Design for 12V Batteries WINCA BA101 car battery diagnostic tester can work on all 12V batteries including regular flooded, AGM flat plate, AGM spiral, as well as GEL batteries, with multiple applications for a broad array of vehicles, Such as a car, truck, marine, boat, motorcycle and more. Displays accurate test results in seconds, including the battery test, the health status test, and the diagnosis of both starting and charging systems, cranking test, charging test, and other functions. Why you need a WINCA Battery Tester? WINCA AB101 Battery tester will provide the technician, professional and DIYer, with critical information about battery health status by identifying battery and charging problems quickly and accurately. The advanced 2.4-inch color LCD screen makes AB101 Battery tester more eye-friendly and easier to read compared to other options. And it saves you time & money. TOPDON BT200 Car Battery Tester 12V Having your car’s battery unexpectedly die can really throw a wrench in your day. TOPDON BT200 battery tester is a cost-efficient method to test your battery, making sure it’s in good shape before you hit the road.