Multifunctional 4-in-1 OBD-PIN Battery Tester – TopDiag BT400
Precision-engineered ABS housing with reinforced connectors for durability and long-term use. Advanced diagnostic tool for 12V/24V batteries, alternators, starters, and charging systems—ideal for automotive workshops, fleet maintenance, and DIY enthusiasts. High-definition LCD screen displays real-time voltage, cold cranking amps (CCA), and internal resistance with ±0.5% accuracy. Universal OBD-PIN compatibility supports 95% of vehicles (2000+ models) including cars, trucks, and motorcycles. Compact, ergonomic design with non-slip grip for safe handling in tight engine bays. Includes built-in thermal protection and reverse polarity alarm to prevent damage during testing. Backed by global wholesale pricing—bulk orders available for resellers and repair centers.