TF03K 8-120V 50A High-Precision Car Battery Tester

Accurate Diagnostics
Professional-grade precision with 8-120V voltage range and 50A current detection for reliable battery health analysis, including capacity, voltage, and internal resistance.
Premium Build & Durability
High-impact ABS shell with reinforced contacts and anti-slip grip, designed for workshop or roadside use in extreme temperatures (-20°C to 60°C).
Multi-Vehicle Compatibility
Tests 12V/24V automotive, motorcycle, truck, and marine batteries, plus hybrid/EV auxiliary batteries—ideal for mechanics, fleet managers, and DIY enthusiasts.
Instant Clear Results
Backlit LCD displays real-time data with pass/fail alerts, eliminating guesswork during maintenance or pre-trip checks.
Compact & User-Friendly
Pocket-sized (148x71x32mm) with one-button operation and auto-shutdown, optimized for quick garage use or emergency roadside diagnostics.
Global Safety Certified
CE/RoHS compliant with overload protection, ensuring safe operation across international voltage standards.
Bulk Order Advantage
Direct factory pricing for wholesalers—stock the industry’s most cost-effective professional tester with 1-year warranty support.