JDiag BT300 12V/24V Universal Car Battery Tester – Precision Diagnostics for Any Vehicle

Accurate Battery Health Analysis
– Advanced microprocessing technology delivers precise readings for voltage, cold cranking amps (CCA), and internal resistance to assess battery condition quickly.
Rugged & Reliable Build
– High-impact ABS housing with reinforced connectors ensures durability in harsh garage or roadside environments.
True Multi-Vehicle Compatibility
– Tests 12V/24V batteries in cars, motorcycles, trucks, SUVs, boats, and RVs with multilingual support for global use.
Instant Cranking & Charging System Check
– Diagnose starter and alternator issues in seconds with real-time data display.
User-Friendly Interface
– Backlit LCD screen and intuitive buttons provide clear results without complex menus.
Compact & Portable Design
– Lightweight yet industrial-grade construction fits effortlessly in toolkits for mechanics or DIYers.
Ideal for Professional Workshops or Home Use
– Streamline diagnostics for fleet maintenance, roadside emergencies, or routine vehicle checks.