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BM550 Car Battery Tester OBD2 6V 12V 24V 100-2000 CCA 2Ah-220Ah Battery System Detect Auto Battery Analyzer Car Diagnostic Tool

BM550 24V/12V/6V Car Battery Tester is able to effectively analyze and read important car data such as voltage, internal resistance, cold cranking amp and AH capacity, battery health and charge status. It provides accurate results, calculates the cold cranking capability of the battery and the aging extent, allowing for a quicker, more precise car repairing.

It provides techs or DTYer with a quick, simple and cost-effective solution to know the battery's charging status better , check the battery's health and detect faults.


BM550 Battery Tester has only one interface, regardless of language, easy to operate.



Does your Battery need to be replaced?

There are more and more on-board electrical appliances, and the requirements for battery capacity and quality are getting higher and higher. Have you encountered the following problems?Can your battery still support it?

1. Can not start the car
2. Unsteady engine idling
3. The power system is not working properly


Wide Range of Application of BM550 Battery Tester

BM550 can test 6V/12V/24V batteries, suitable for a variety of common models and equipment. (For Motorcycle, Car, LAWN Mower, Golf Car, ATV, Truck, Boat batteries)

KINGBOLEN BM550 supports multiple battery types: Normal Battery, AGM Flat Battery, AGM Spiral Battery, Gel Battery, EFB battery


How to Use the BM550 Battery Tester ?

Step 1: After connecting the battery, select the battery voltage;

Step 2: Enter the battery CCA Value;

Step 3: Get battery date(Battery life, battery power, battery resistance, battery voltage )


6V 12V 24V Battery Test of BM550 Battery Tester

SOH: Status of Health
SOC: Status of Charge
R: Internal Resistance
VOL: Battery Voltage


Good, Normal, Poor, Three kinds of battery status display let you more intuitively understand the quality of your battery

* Good. (The battery is in good condition, feel free to use)

* Normal. (General state of the battery may continue to use)

* Poor (The battery is in poor condition, Please replace it in time)


Intimate Protection of BM550

1. Poor Contact Prompt

When the test clip does not clamp the positive and negative electrodes of the the battery, the display will react.

2. Plug and Play

Just connect the BM550 and the battery to use, plug and Play, the BM550 device does not need to be charged

3. Polarity Reverse Protection

When you accidentally reverse the positive and negative poles, it can protect the battery and battery testing tool from damage.


In-vehicle or out-of-vehicle testing

You can test the battery without removing it from the vehicle.


BM550 adopts High Quality Wire

Selected high-quality environmentally friendly material, good elasticity, not easy to break, tough and durable


Pure Copper Clip

pure copper plated material, wide opening range, strong bite force, more accurate measurement


Parameters of BM550

* Product name: Battery Tester
* Model: BM550
* Screen Size: 1.8inch High-definition Backlit Screen
* Test Range: 6V/12V/24V
* Connection Method: Positive And Negative Clip
* Operating Voltage: 4.9V~32V
* Operating Temperature: -4°F~122°F (-20°C~50°C)
* Product size: 4.88 x 2.74 x 0.89 inch (124x69.6x22.6mm)
* Product Material:PVC Industial Material

All values and CCA values can be converted as needed

Excellent details make for a great user experience.
1. 1.8 inch HD Screen

Quick and clear display of test results

2. Physical Button

Responsiveness is fast and the feel is excellent.

3. Integrated Line Machine Design

The interface is stable to prevent falling off and loss, and the wire is strong and not easy to break.

4. ABS Industrial Grade Material

Made of industrial grade ABS plastic, it can effectively prevent stains.

Customer review


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