BM550 Car Battery Tester For 6V 12V 24V 100-2000 CCA 2Ah-220Ah Battery System
Super hot! Several others have checked this out in the last few hours
Verified by shoppers
Product always receives high satisfaction ratings from our customers
Product Details

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

KINGBOLEN 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.

KINGBOLEN 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

It 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)

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 )

24V/12V/6V Battery Test BM550

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


* 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

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. Polarity Reverse Protection

When the polarity of the input power supply is reversed, it can protect the switching power from damage.

All values and CCA values can be converted as needed

Off-Car Test

To prevent battery failure, check the battery usage status in advance

High Quality Wire

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

Pure Copper Battery Clip

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


* 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 (124×69.6×22.6mm)
* Product Material:PVC Industial Material

Product Details

Excellent details make for a great user experience.

1. Non-slip Design

Easy one-handed operation

2. Integrated Line Machine Design

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

3. Physical Button

Responsiveness is fast and the feel is excellent.

4. ABS Industrial Grade Material

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

Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of megaboxy (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Customer Reviews
5 (20 reviews)
5 stars
4 stars
3 stars
2 stars
1 star
Write a Review
12 Apr 2024

It detects and analyzes battery very well. Good condition, good price. THANKS.

12 Apr 2024

انه رائع ودقيق

12 Apr 2024

It looks like a good product but yet to try

11 Apr 2024

Still not tested will perform the test tomorrow when the car is here, but apparently all ok, designer beautiful as ad link,, excellent store and helpful answer, fast shipment

10 Apr 2024

Excellent product and very well presented, 100% recommended the product and store very good communication and speed. You can buy it with confidence.

8 Apr 2024

Delivery is fast, packing is blister, nothing is crumpled. Works, the result gives out a similar truth. The Soh calculation method is not described.

7 Apr 2024

Arrived in 11 days from China. I immediately tested on 2 batteries, it works fine. Measuring battery voltage, life, charging, internal resistance and cca situations. Simple to use, light beautiful device. I recommend.

6 Apr 2024

All OK the device works delivery to Lithuania 3 weeks tax non-Rasil received in Omni

5 Apr 2024

Shipping experience. Instrument is incredibly lightness. Measure your gun Nickle used once well being.

4 Apr 2024

Very fast shipping, instantly tested on batteries. Works fine! Thanks!

3 Apr 2024

The goods were delivered quickly. Looks good, I have not checked in the work yet

1 Apr 2024

The parcel was 1 day late. It's not critical to me. The store answers questions, it's good. The device works, but to understand it you need to experiment on several batteries.

1 Apr 2024

Fast delivery, the testers are identical to the description remains just tested, I recommend the store.

28 Mar 2024

The goods received on time with the store did not communicate the goods good quality buy in that store

28 Mar 2024

Compared to only one will not come on accurate data range is all know the feeling more than seems to work well

28 Mar 2024

Today car battery tester received. Use a result very good. Make you satisfied. Good use.

28 Mar 2024

Delivery 5 days to the Yaroslavl region, looks like in the description, everything works, an excellent device, very satisfied with the purchase

28 Mar 2024

I got a battery tester. I will write more about how it works when I try it

28 Mar 2024

Article compliant but not tested yet. Fast delivery. Good store!

26 Mar 2024

Well packaged product and delivery on schedule. Lack only try.

Super hot! Several others have checked this out in the last few hours

BM550 Car Battery Tester For 6V 12V 24V 100-2000 CCA 2Ah-220Ah Battery System

20 Reviews
10-33 days
Selling fast: get yours before it’s gone!
View Cart
Guaranteed SAFE checkout
Worldwide Shipping

Enjoy flexible international shipping services that currently operate in over 200 countries across the world

Free Returns

Arrange your return for a full refund, we've got you covered with our full Buyer protection

Safe Payment

Buy with confidence using the world’s most popular and secure payment methods


Shopping cart