FOXWELL BT705 Car Battery Tester 24V 12V, Professional Alternator Tester, Automotive 100-2000CCA Load Tester, Digital Cranking Charging System Analyzer with High Accuracy for Trucks, RVs & Boats

Avoid Costly Misdiagnosis with Accurate Readings

Powered by advanced conductance technology, the BT705 delivers precise SOH, SOC, and CCA results for 12V & 24V batteries. Quickly detect hidden battery issues and avoid unnecessary replacements or repairs.

Test Battery, Starter & Alternator in One Tool

Go beyond basic testing. Battery Test checks overall health, Cranking Test reveals starting issues, and Charging Test verifies alternator performancehelping you identify the real problem before replacing parts.

True One-Person Testing with 5.9 ft Cable

Equipped with a 5.9 ft (1.8m) extended cable, allowing you to operate the ignition and monitor results at the same time. No need for a second person.

Stable & Consistent Results Every Time

Upgraded algorithm ensures reliable and repeatable readings across temperature changes and multiple testsideal for ongoing battery monitoring.

Wide Compatibility for 12V & 24V Systems

Supports Flooded, AGM, GEL, and EFB batteries from 1002000 CCA. Perfect for cars, trucks, motorcycles, RVs, and more.

Durable Build with Proven Expertise

Built with rugged housing and copper clamps for long-term use. Designed for easy operation with intuitive menus and memory function