FOXWELL BT301 Car Battery Tester 12V, Battery Load Tester 100-2000CCA 汽车用品 Alternator Tester Digital Battery Analyzer Cranking Charging Checker for Car Boat Truck SUV ATV, Upgraded of BT100

Wide Battery Compatibility for All Climates – Accurately tests 12V flooded, AGM flat/spiral, EFB, and GEL batteries (not for lithium). Designed for reliable performance even in freezing conditions, making it a dependable AGM and marine battery analyzer year-round.Large 2.8″ Color Screen & Easy to Use – The enlarged 2.8" color display shows clear “GOOD / BAD” results at a glance, even in dark garages. Simple menus make this 12V battery tester beginner-friendly, while the 6.5 ft cable allows safe testing from the driver’s seat—no helper needed.Test at Home & Prevent Unexpected Breakdowns – Skip shop visits and unnecessary replacements. This 12V battery checker helps you verify weak batteries or confirm new ones before driving. Heavy-duty clip leads ensure secure connections and stable, accurate readings every time.For DIYers, Pros & Multiple Vehicles – Works on cars, SUVs, motorcycles, boats, tractors, light trucks, and electric mowers. Automatically stores recent test results for quick review and comparison over time. Clip, read, and know your battery’s condition in seconds.（Self-powered by the battery being tested—no extra batteries or external connections needed.Trusted FOXWELL Expertise – With 17+ years in 汽车用品 diagnostics and 12+ years of proven leadership in battery testing, FOXWELL is the brand mechanics and DIY users trust. Built on advanced R&D and real feedback, our tools are accurate, durable, and easy to use. The BT301 continues FOXWELL’s reputation for professional-grade reliability and long-lasting performance.