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The KINGBOLEN BM550 is a professional-grade digital car battery tester supporting 6V, 12V, and 24V batteries with capacities from 2Ah to 220Ah and CCA ratings between 100-2000. Featuring a 1.8-inch HD display, it delivers fast, accurate diagnostics including SOH, SOC, internal resistance, and voltage. Its user-friendly plug-and-play design and reverse polarity protection make it an essential tool for proactive vehicle maintenance across cars, trucks, SUVs, ATVs, boats, and motorcycles.








| Manufacturer | KINGBOLEN |
| Part number | BM550 |
| Item Weight | 240 g |
| Package Dimensions | 23.1 x 14.4 x 3.6 cm; 240 g |
| Item model number | BM550 |
| Size | BM550 |
| Colour | Red |
| Style | Modern |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Measurement Accuracy | 98% |
| Specification met | CE |
| Included components | BM550 Car Battery Tester |
| Batteries included? | No |
| Batteries Required? | No |
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