Professional OBD2 Scanner & Battery Tester – V311B

Precision diagnostics with real-time data for 12V/24V battery health checks, voltage tests, and internal resistance analysis. Heavy-duty ABS shell with reinforced connectors ensures durability in extreme garage conditions.

Multi-system compatibility covers ECU, ABS, SRS, and transmission diagnostics across major car brands (2000+ models). Backlit LCD displays clear readings even in low-light workshops.

Compact yet powerful design fits seamlessly into auto repair shops, roadside assistance kits, and DIY enthusiast toolboxes. Includes built-in thermal protection to prevent overheating during prolonged use.

Directly identifies weak/failing batteries before roadside failures occur. Gold-plated OBD pins enhance signal conductivity for accurate error code readings.

Bulk order discounts available for repair centers and wholesale buyers. Ships globally with certified safety standards (CE/FCC compliant).