AUTOOL BT660 Version 1 Car Battery Tester with Thermal Printer

High-Precision Diagnostics
Advanced microprocessor technology ensures accurate 12V battery health analysis, measuring voltage, cold cranking amps (CCA), and internal resistance with ±1% precision.
Built-In Thermal Printer
Instant printouts of test results via integrated thermal printer—eliminate manual recording with smudge-proof, durable receipts for professional record-keeping.
Rugged & User-Friendly Design
Industrial-grade ABS casing with shock-resistant corners and a 2.4" LCD screen for clear readability in garages, workshops, or roadside emergencies.
Fast & Multi-Purpose Testing
Tests lead-acid, AGM, gel, and EFB batteries in under 3 seconds—ideal for mechanics, fleet managers, or DIY enthusiasts.
Wide Compatibility
Works with 12V batteries from 100-2000 CCA, covering cars, trucks, motorcycles, boats, and RVs.
No External Power Needed
Operates solely on battery-clamp connection—zero setup hassle for on-the-go diagnostics.