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  • Autel Battery Tester Autolink AL539B OBD2 Code Reader, Avometer for OBDII Diagnosis and Electrical Test

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Autel Battery Tester Autolink AL539B OBD2 Code Reader, Avometer for OBDII Diagnosis and Electrical Test

4.2 out of 5 stars (102)

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About this item

  • BATTERY TEST: AL539B, a expanded function OBD2 scanner with the additional capability of battery testing, is a great solution for you to quickly and accurately test most types of 12V batteries, including AGM, standard and maintenance-free batteries
  • CIRCUIT TEST: It is not only a simple OBD2 code reader but also a top-rated battery tester with AVOmeter. It will be easy for you to quickly access information about voltage, continuity and current of any vehicle for battery status analysis
  • EMISSION-RELATED FEATURE: Except the special battery test function, this OBD2 scanner’s basic functions are emission-related diagnoses, I/M readiness status check, O2 sensor test, on-board monitor test which are necessary on passing emission tests
  • MIL TURN-OFF: The most direct and typical functions of this code scanner is to turn off the check engine light (MIL), which is completed via clearing the stored fault codes after the problems are solved
  • FASTER DIAGNOSES: For faster and more convenient diagnosis, the Autel code reader AL539B supports DTC lookup for detailed codes information retrieval, data playback and print capability for convenient vehicle health status analyzing

From the brand


Product Description

Autel, as one of the world’s leading manufacturers in the automotive aftermarket, dedicates itself to developing professional diagnostic tools and translating global clients’ needs into superior cost-effective and innovative products with strong R& D and production capabilities.

Autel AutoLink AL539B, as a code reader combined with AVO meter and battery tester, is specially designed for technicians and DIYers to work with most 1996 and newer American, Asian and European OBDII/CAN compliant vehicles, offering comprehensive vehicle analysis for rapid and accurate diagnosis and timely repair.

Autel al539B
car battery tester

Special Battery Test of OBD2 Scanner

Compared with Autel AL539, AL539B is especially equipped with the capability of battery test which provides quick and accurate load-free testing of most type of 12V batteries, including AGM, standard and maintenance-free batteries. Make sure that the red cable is connected to positive (+) terminal, and black to negative (-) terminal, rock each clamp back and forth to make a good connection. It’s easy to operate with the instructions displayed on LCD screen, it doesn’t matter if you’re unfamiliar with the tool; clearly-ranked operating steps are your best assistance.

Battery test, in some respects, is an additional function to OBD2 scanner aiming at providing better services to customers.

obd2 scanner with battery test

Professional Electric Testing Functions

This car code reader is equipped with easy-to-read AVOmeter for circuit test, so you have the access to voltage, continuity and current testing near at hand. You can choose AUTO/DC Voltage/AC voltage mode to test different voltages for your convenience. In the continuity mode, if the resistance of circuit is less than 50 ohm, the scan tool would display actual value and alarm a beep, very safe and convenient. In current mode, you have choices of 20A and 200A for different current range; testing results of current between 2 probes are concisely displayed on the screen. However, Circuit test only available when the tool is powered by built-in 3.7V lithium battery solely. Otherwise, it will cause incorrect results and damage the tool.

bettery test

Practical OBD2 Functions

Besides, this OBD2 code reader also supports practical OBD2 functions in order to offer you maximum pragmatism:

  1. Live PCM data stream are vividly displayed on its crisp screen, so you can discover the abnormal parameters intuitively and figure out which part is wrong quickly.
  2. Freeze frame data is accurately captured and stored by this code reader; hence you can diagnose your vehicle more efficiently based on the recorded information.
  3. Emission test is also provided, including: I/M readiness status test, O2 sensor test and On-board monitor test. These comprehensive tests are bound to protect you from being fined.

engine light

Turning off Engine Light

The stored fault codes which indicate the fault have reoccurred for more than a special amount of key-cycle will cause the check Engine light on. However, you can turn it off by clearing the fault codes. This code reader is able to detect the cause of check engine light (MIL) easily and turn off the light on dashboard effectively. Much money-saving than going to an auto service center.

IM key

O2 Sensor Test

The automotive scan tool can test on the O2 sensor to identify problems related to fuel efficiency and vehicle emissions and make sure it performs well. Otherwise, the sensor on your vehicle may fall to get best fuel economy, lowest emissions and good power. By automatically detecting on the oxygen content in the exhaust you can easily figure out the vehicle health status.

more information al539b autel

Update Service of Scanner

For extending its useful life and ensuring that your data is accurate, you can update the software through a Windows-based computer via the provided USB cable to get the latest bug fixes and newly added parameters/car models. Download the Auto-Link II Tool Kit from Autel official website, install and run it on your computer with the tool being connected via USB cable, you are ready to go.

Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Parcel Dimensions ‏ : ‎ 30 x 24.2 x 11.2 cm; 1.88 kg
  • Manufacturer ‏ : ‎ Autel
  • ASIN ‏ : ‎ B01IVH164C
  • Manufacturer reference ‏ : ‎ AL539B
  • Customer Reviews:
    4.2 out of 5 stars (102)

Product information

Technical Details

Manufacturer ‎Autel
Place of Business ‎SALEM, OH 44460,US
Brand ‎Autel
Model ‎AL539B
Parcel Dimensions ‎30 x 24.2 x 11.2 cm; 1.88 kg
Manufacturer reference ‎AL539B
Is discontinued by manufacturer ‎No
Manufacturer part number ‎AL539B
Item Weight ‎1.88 kg

Additional Information

ASIN B01IVH164C
Customer Reviews
4.2 out of 5 stars (102)

4.2 out of 5 stars
鶹 Rank
Date First Available July 22 2016

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Autel Battery Tester Autolink AL539B OBD2 Code Reader, Avometer for OBDII Diagnosis and Electrical Test


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