Car battery testers
Battery health, cranking and alternator charging checked in seconds, from motorbikes to lorries depending on the model.
BM550
The BM550 handles 6, 12 and 24 V batteries and shows state of health and state of charge in under two seconds.
- Voltage
- 6 / 12 / 24 V
- Range
- 100–2,000 CCA
BM550 Plus
The BM550 Plus builds on the BM550 with an LED screen and a real-time voltage curve, so you can see a battery that sags when cranking.
- Voltage
- 6 / 12 / 24 V
- Range
- 100–2,000 CCA
BM520
The BM520 combines a 6, 12 and 24 V battery tester with a multimeter, and its clamps work either way round.
- Voltage
- 6 / 12 / 24 V
- Range
- 100–2,000 CCA
At a glance
| Model | Voltage | Range | Result | Capacity |
|---|---|---|---|---|
| BM550 | 6 / 12 / 24 V | 100–2,000 CCA | < 2 s | 2–220 Ah |
| BM550 Plus | 6 / 12 / 24 V | 100–2,000 CCA | — | — |
| BM520 | 6 / 12 / 24 V | 100–2,000 CCA | — | — |