Kingbolen BM550 – 6, 12 and 24 V battery tester
The BM550 handles 6, 12 and 24 V batteries and shows state of health and state of charge in under two seconds.
6 / 12 / 24 VVoltage
100–2,000 CCARange
< 2 sResult
2–220 AhCapacity
What the BM550 brings day to day
Covers cars, lorries, motorbikes, quads and boats
Tests the battery in or out of the vehicle
1.8-inch HD screen
Stated accuracy of 99.5%
Ready to take the next step?
Check today’s price and delivery time for the Kingbolen BM550.
Real-life uses
Mixed fleetCars and 24 V vans or lorries with the same tester.01
Buying a batteryCheck a new or second-hand battery.02
Winter storageCheck motorbike or boat batteries.03
Who is it for?
A good choice if…
You have vehicles on both 12 V and 24 V and want a simple, accurate tester.
Check before you buy
The battery’s CCA rating must be entered before the test. To follow the voltage in real time, see the BM550 Plus.
Technical specifications
| Voltage | 6, 12 and 24 V |
|---|---|
| Range | 100–2,000 CCA, 2–220 Ah |
| Measurements | SOH, SOC, internal resistance, charging |
| Screen | 1.8-inch HD |
| Safety | Reverse polarity protection |
Frequently asked questions
Does it work on a lorry?
Yes, it handles 24 V batteries.
BM550 or BM550 Plus?
The Plus adds an LED screen and a real-time voltage curve.
Do I need to disconnect the battery?
No, the test can be done with the battery fitted or removed.
The Kingbolen BM550 price changes often
Deals, stock and delivery times change daily: check today’s offer in one click before it moves.
