BM550 Car Battery Tester 6V 12V 24V – 100–2000 CCA Analyzer

Know Your Battery's True Condition Before It Lets You Down

The BM550 battery tester gives you an instant, accurate read on battery health, charging system performance, and cranking ability — across 6V, 12V, and 24V systems. Whether you're checking a car, van, or heavy-duty truck, this analyzer tells you exactly what's going on before a dead battery leaves you stranded.

Key Features

• Supports 6V, 12V, and 24V battery systems
• Tests batteries rated from 100 to 2000 CCA
• Checks battery health, charging system, and starter motor
• Works on standard, AGM, EFB, and gel batteries
• Clear LCD display with instant results
• No calibration required — plug in and test
• Suitable for cars, SUVs, vans, and heavy-duty trucks

Why Test Your Battery?

A battery can show 12V and still fail under load. The BM550 tests actual CCA output — the real measure of starting power — so you know if a battery needs replacing before it causes a breakdown.