BM550 Car Battery Tester 6V 12V 24V | 100–2000 CCA Analyzer
BM550 Car Battery Tester 6V 12V 24V | 100–2000 CCA Analyzer
BM550 Car Battery Tester – 6V / 12V / 24V Multi-Voltage Battery Analyzer
The BM550 Battery Tester is a professional-grade diagnostic tool that gives you instant, accurate readings of your vehicle's battery health. Whether you're a home mechanic or a professional technician, this compact analyzer covers voltage, internal resistance, cold cranking amperage (CCA), AH capacity, state of charge, and overall battery health — all on a bright 1.8-inch HD backlit screen. Fast, reliable, and built to last.
Made in Mainland China.
Key Features
- Comprehensive Battery Analysis: Reads voltage, internal resistance, CCA (100–2000 CCA), AH capacity, battery health status, and state of charge for fast, precise diagnostics.
- Wide Voltage Compatibility: Tests 6V, 12V, and 24V batteries — compatible with cars, motorcycles, trucks, lawn mowers, ATVs, golf carts, marine batteries, and more.
- Poor Contact Alert: Built-in prompt warns you when the test clips aren't making proper contact with the battery terminals, so you never get a false reading.
- Reverse Polarity Protection: Automatically protects the device if the clamps are connected with reversed polarity, keeping both the tester and your battery safe.
- Durable Copper Clamps & PVC Cables: Pure copper clamps provide strong grip and accurate current transfer; eco-friendly PVC industrial cables are flexible, tough, and built to resist breakage.
- One-Hand Operation: Ergonomic non-slip body and integrated cable design make it easy to use with one hand, even in tight engine bays.
- Responsive Physical Buttons: Tactile physical buttons deliver fast response and confident feel for quick navigation through test modes.
- CE Certified: Meets CE safety and electromagnetic compatibility standards.
Specifications
| Model | BM550 |
| Material | ABS body, PVC industrial cables, pure copper clamps |
| Color | Black |
| Screen | 1.8-inch HD backlit display |
| Test Range | 6V / 12V / 24V |
| CCA Range | 100–2000 CCA |
| Working Voltage | 4.9V – 32V |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Working Humidity | Relative Humidity < 80% |
| Connection | Positive & Negative Clamps |
| Certification | CE |
| Origin | Mainland China |
What's in the Box?
- 1 × BM550 Car Battery Tester
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Frequently Asked Questions
Q: What types of vehicles is the BM550 battery tester compatible with?
A: The BM550 battery tester works with any 6V, 12V, or 24V battery system. This includes cars, motorcycles, trucks, lawn mowers, ATVs, golf carts, and marine vessels — making it one of the most versatile battery analyzers available for home and professional use.
Q: What does the BM550 measure exactly?
A: The BM550 measures battery voltage, internal resistance, cold cranking amperage (CCA, from 100 to 2000 CCA), AH capacity, battery health status, and state of charge. This gives you a complete picture of your battery's current condition and aging status.
Q: Does the BM550 battery tester require an external power source?
A: No — the BM550 draws its operating power directly from the battery being tested (working voltage range: 4.9V–32V), so no batteries or charging cables are required for the tester itself. Simply clamp the leads to the battery terminals and you're ready to test.
Q: Is it safe to use if I accidentally reverse the clamp connections?
A: Yes. The BM550 includes built-in reverse polarity protection, which automatically shields the device from damage if the clamps are connected incorrectly. It also alerts you when the clamps don't have a secure connection, so you always get reliable results.