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BM550 Car Battery Tester 6V 12V 24V 100-2000 CCA Battery System Detect Auto Battery Analyzer Car Battery Tool PK KW208

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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

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?

  • After connecting the battery, select the battery voltage;
  • Enter the battery CCA Value;
  • 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


  • (The battery is in good condition, feel free to use)
  • (General state of the battery may continue to use)
  • Poor (The battery is in poor condition, Please replace it in time)

Intimate Protection

  • Poor Contact Prompt:When the test clip does not clamp the positive and negative electrodes of the the battery, the display will react.
  • 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

  • Non Slip Design:Easy one-handed operation
  • Integrated Line Machine Design: The interface is stable to prevent falling off and loss, and the wire is strong and not easy to break.
  • Physical Button: Responsiveness is fast and the feel is excellent.
  • ABS Industrial Grade Material: Made of industrial grade ABS plastic, it can effectively prevent stains.

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Model name

BM550 Battery Tester

Test Range


Support Multiple Battery Types

For Normal Battery, EFB Battery, AGM Flat Battery, AGM Spiral Battery, GEL Battery, etc.

Wide Range of Application

For Motorcycle, Car, LAWN Mower, Golf Car, ATV, Truck, Boat batteries

Multiple Function in One


SOH (Status of Health) Test


SOC (Status of Charge) Test


R (Internal Resistance) Test


VOL (Battery Voltage) Test


6V 12V 24V Battery Compatible


100-2000 CCA Battery


Polarity Reverse Protection


Over voltage Input Protection


Screen Size

1.8inch High-definition Backlit Screen

Connection Method

Positive And Negative Clip

Product Size

4.88 x 2.74 x 0.89 inch (124×69.6×22.6mm)

Shipping and delivery

How do you ship packages?

Packages shipped from our US warehouse are shipped through USPS, UPS, or FEDEX.

Do you ship worldwide?

At this time we do not offer worldwide shipping. We hope to offer this in the near future. We also DO NOT ship to APO/FPO!

How long does shipping take?

Shipping time varies by location. Most items have a 7-20 day shipping time within the United States.

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 have specified combined shipping.

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

Refunds & returns policy

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:

  • You do not receive them within the guaranteed time (45 days not including 2-5 day processing)
  • You receive the wrong item
  • You do not want the product you have received (but you must return the item at your expense and the item must be unused)

We do not issue the refund if:

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

*You can submit refund requests within 30 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on 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.

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

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