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About this item

• 🏆Full Upgrade of BT705 – The FOXWELL BT780 builds on the trusted BT705 with expanded features: supports 6V battery health testing and 12V/24V cranking & charging tests. Battery tester with printer and internal battery let you test more accurate, review, and print results anytime—no external power needed. Customize shop/technician names and battery IDs for clear, professional reports. A 6.5ft heavy-duty cable, sharp 3.2" LCD, rugged alligator clamps, and a pro-grade toolbox make it ideal for garages, fleets, or serious DIYers. Free TF card upgrades keep your tester up to date
• 💲Print Reports Anytime at No Extra Fee - Save on printing costs with the built-in thermal printer that delivers clear, fast, and jam-free test reports at the touch of a button and share it to your client or technicians. This deep cycle battery tester includes 3 rolls of 57*30mm thermal paper, with replacements readily available online—no worries about running out
• ✅Customizable Diagnostic Report Details - Personalize every test report with your shop or home name, technician ID (supports up to 4 accounts), and unlimited battery serial numbers. This automotive battery testers is Ideal for organizing service records, tracking battery performance over time, and avoiding mix-ups in multi-battery environments
• 🔋Internal Battery for More Precise Testing - Most battery analyzer testers require power from the battery under test to power up—making it tough to get accurate results from weak or deeply discharged batteries. The BT780 car battery tester changes that. Equipped with its own built-in battery, it powers on independently, unlocking a new level of diagnostic precision and access test history anytime that ordinary auto battery testers on the market can’t match
• 😊User-Oriented Design Upgrades - With a 6.5ft extended cable, this foxwell battery tester allows for easy one-person operation while maintaining an absolute accuracy. The large buttons and 3.2" digital LCD screen ensure simple operation and clear results—without confusing pointers, and rugged toolbox makes storage and transport effortless, perfect for mobile diagnostics, bonus TF card and reader keeps tool always up to date. Built with fully insulated reverse-polarity clamps, high-conductivity clip leads, and FOXWELL-grade chip, it delivers 99.9% accuracy while minimizing battery drain—professional results in just seconds
• 👍Know Battery Status in Advance - Avoid the frustration of a dead car battery! The heavy truck battery tester checks battery health, analyze cranking system and alternator output, providing comprehensive test reports, battery voltage, resistance, SOC, SOH, starter state, cranking voltage, and charging details to assess performance, condition, and replacement timing. Easily perform Battery Health, Cranking, and Charging tests, and print clear valuable results for quick reference—perfect for before road trips or battery troubleshooting
• 🟢Wider Application for Pros& Novice - This digital battery load tester handles all 100-2000CCA batteries, including regular flooded, AGM flat plate, AGM spiral, gel, EFP, and start-stop AGM types. Ideal for diagnosing batteries in cars, pickup trucks, heavy-duty trucks, RVs, boats, buses, motorcycles, yachts, golf carts, lawnmowers, heavy machinery, and more. Perfect for pro technicians, auto mechanic, roadside assistance team, battery dealer, fleet manager, DIYers, novices
• 🌹FOXWELL is Always Here - As a leader in automotive diagnostics, FOXWELL boasts a renowned R&D team and a vast sales network across 90+ countries. With 14+ years in the industry, FOXWELL is dedicated to serving every customer. Count on our professional technical support team to promptly address any queries