BM550 Digital Car Battery Tester — 6V/12V/24V, 100–2000 CCA, SOH & SOC Analyzer
Find out if your battery is about to leave you stranded. Clip the BM550 onto the terminals and it reports health, charge and cold-cranking performance in seconds.
Shipping & returns
Every order ships free with tracking. Most orders arrive in about 7–14 business days; items stocked in US warehouses often arrive sooner. Multi-item orders may arrive in separate packages.
Not happy? Request a return within 30 days of delivery and we'll make it right.
Questions before you buy?
Email troy@globaltradingpartners.email and a real person will get back to you — usually within one business day. Tell us how you plan to use it and we'll tell you honestly whether it's the right fit.
- 6V, 12V & 24VCars, motorcycles, trucks and more.
- 100–2000 CCAMeasures cold-cranking amp performance.
- 4 readings in oneState of health, state of charge, resistance and voltage.
- Clear verdictGood, Normal or Poor result on the LCD.
Simple clip-on testing
Attach the red and black clamps, pick the battery type and read the result on the large backlit display. No app or batteries to fuss with.
Specifications
| Battery voltages | 6V, 12V, 24V |
| CCA range | 100–2000 CCA |
| Readings | SOH, SOC, internal resistance (mΩ), voltage |
| Display | LCD with Good / Normal / Poor result |
| Connection | Clamp leads |
| Model | BM550 |
