About this item

• Software& Hardware Upgrades of the BT705 - The FOXWELL BT780 builds on the BT705’s functionality by adding 6V detection to the 12V and 24V ranges, broadening coverage for more vehicles. Add built-in printer with customizable battery SN functions, allowing instantly print & share diagnostic data. Features an internal battery, enabling to view historical data without external power, detect undercharged/damaged batteries. The 6.5-foot cable allows flexible testing. Powered by the latest FOXWELL chip and advanced conductivity tech, it boosts accuracy and efficiency by 15%. The included TF card and reader keep your tester updated
• Print Reports Anytime at No Extra Fee - The battery load tester’s built-in printer delivers clear, one-click test reports without any extra fees, saving you store printing fees. Customize print reports with up to 4 technician accounts and battery serial numbers(SN) for easy tracking status of different battery and share it to your client or technicians. Includes 3 rolls of 57*30mm thermal paper, with replacements readily available online—no worries about running out
• Built-In Battery for Enhanced Accuracy - This automotive battery tester with a built-in battery ensures precise diagnostics every time. Power it on anytime to access the history of your last test, even without an external power source. Whether you’re testing a low-charge weak car battery in your garage or diagnosing a damaged lossy battery on the go, the BT780 Battery Checker Tester handles it easily and reliably, preventing you from getting stuck in a rut that ordinary testers can't handle
• Comprehensive Battery Tester for Pros& Novice - This 6V/12V/24V battery tester with printer 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, trucks, buses, motorcycles, yachts, golf carts, lawnmowers, heavy machinery, and more. Perfect for beginners, DIYers, or professional mechanics—your all-in-one solution for battery testing
• User-Oriented Design - With large buttons and a 3.2-inch digital LCD, the car battery tester use easily and provides clear results without the need for confusing pointers. Its rugged, fully insulated reverse-polarity alligator clamps, high-conductivity clip leads, and FOXWELL professional-grade chip ensure over 99.9% accuracy, faster testing, and minimal battery drain, giving professional results in seconds. The 6.5-foot cable allows for independent testing, while the robust toolbox ensures convenient portability and storage when not in use, perfect for those on the go
• Know Battery Status in Advance - Avoid the frustration of a dead car battery! The auto battery tester check 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
• Tips for Using Battery Tester Quickly - The cable interface of battery and alternator tester needs to be aligned with the holes in order to connect well to the Foxwell BT780 host, the cable will not fall out easily after insertion, the nut on the cable is just to serve as an additional reinforcement, if needed, according to the clockwise direction to screw the nut
• 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 13 years in the industry, FOXWELL is dedicated to serving every customer. Count on our professional technical support team to promptly address any queries