PROFESSIONAL BATTERY TESTER WITH PRINTER: TOPDON BT600 performs a comprehensive diagnosis of 12V and 24V lead-acid batteries, displaying results with up to 99.5% accuracy on a 3.5" color screen. Its cutting-edge technology simplifies troubleshooting, making it ideal for auto technicians. VERSATILE TESTING: Compatible with CCA 100-2000A batteries, such as those found in Sedans, Motorcycles, Pickup Trucks, Heavy-Duty Trucks, and Boats, this battery tester works on flooded, AGM Flat, AGM Spiral, GEL, and EFB batteries, targeting faults effectively and maximizing efficiency. CONVENIENT PRINTING: The built-in printer of this battery tester uses thermal sensitive paper, providing users with immediate reports, perfect for record-keeping. The data playback function saves previous test data, making it easy for users to review and analyze results. EASY OPERATION: The user-friendly interface and multiple navigation keys make it easy for inexperienced users to operate the BT600 car battery tester. Plus, the mini-USB port allows for free software optimization and bug fixing for life. ENHANCED SAFETY: Equipped with reinforced copper clamps, spark-free and smoke-free technology and reverse polarity protection, this professional car battery tester prioritizes vehicle and user safety. With a 5.9ft wire, convenient testing and charging can be executed from the driver's seat. GREAT PERFORMANCE: The BT600 battery tester 12v 24v accurately measures VCC and CCA values, delivering precise results at an affordable price. Ideal for auto shops, battery dealers, and used car testing, this tool offers high-end functionality without breaking the bank.