Kingbolen BM550 PLUS Car Battery Tester – Ultimate Diagnostic Precision

Wide Voltage Compatibility
Tests 6V, 12V, and 24V batteries with seamless accuracy, covering all standard automotive, marine, and motorcycle applications.
High-Capacity CCA Measurement
Precisely evaluates cold cranking amps (100-2000 CCA) for reliable performance analysis in extreme weather conditions.
Comprehensive Battery Health Check
Measures internal resistance and capacity (2Ah-220Ah) to detect sulfation, weak cells, and charging system faults.
Rugged Industrial-Grade Build
Features reinforced ABS housing, scratch-resistant LCD, and precision-engineered probes for long-term durability.
One-Click Fast Diagnosis
Delivers instant results with auto-ranging technology—ideal for mechanics, fleet managers, and DIY enthusiasts.
Global Wholesale Advantage
Direct bulk sourcing ensures unbeatable pricing for workshops, retailers, and auto parts distributors.