Autel Autolink AL539B Code Reader
Autel Autolink AL539B Code Reader
Autel Autolink AL539B Code Reader
Autel Autolink AL539B Code Reader

Autel Autolink AL539B Code Reader

Regular price$93.00
/
Tax included. Shipping calculated at checkout.
  • Free shipping to US/EU
  • 30-Day Hassel Free Return
  • Ships From US/EU Warehouses
  • In stock, ready to ship
  • Backordered, shipping soon

TopToolOnline started with a simple idea: car professionals and enthusiasts deserve better than guesswork when choosing diagnostic tools.

We were tired of overpriced listings, outdated stock, and vague product details—so we built our own store, one that puts accuracy, service, and honesty first.

Today, we’re proud to be official partners of Autel, Launch, and TOPDON, offering only brand-new, factory-direct tools with the most up-to-date software. Whether you're a garage owner, a mobile mechanic, or a passionate DIYer, we take the time to personally check tool functions by VIN before you buy.

We speak your language—literally. Our support team covers 12+ languages including English, French, Spanish, Italian, German, Portuguese, Japanese, Arabic, Hebrew, Dutch, Polish and more. And if you ever have a question? We’re right here with direct tech support channels to the brands themselves.

We don’t rely on flashy platforms or middlemen. No inflated Amazon fees. No second-hand stock. Just honest pricing, fast shipping, and real expertise.

Over the years, our customers have said things like:

  • “It’s been a very long time since I’ve received such comprehensive customer service. Jaz and the team were incredibly helpful from start to finish. You should be commended for that.”
  • “They checked compatibility using my VIN and pointed me to exactly the right scanner. No guesswork, just results.”
  • “This is the smoothest scanner-buying experience I’ve ever had. Fast replies, honest answers, and a real sense of support.”

Almost no one ever returns a tool—but if they do, we make it right without hesitation.

We’re not just selling scanners. We’re helping pros like you do your job better, faster, and with confidence.

That’s the TopTool promise.

We fulfill orders through regional warehouses serving the United States, the United Kingdom, Europe, and other international destinations. The warehouse used for your order depends on its delivery address.

Fulfillment Locations

Orders delivered within the United States ship from our U.S. warehouse. Orders delivered within the United Kingdom ship from our U.K. warehouse.

Customers in the European Union should place their orders through our dedicated EU store. Orders placed there ship from our warehouse in Germany and are subject to the EU store’s shipping terms.

Orders delivered to all other destinations, including Australia and Canada, ship from our Hong Kong warehouse.

If an item is unavailable at the warehouse assigned to your destination, we will contact you before dispatching it from a different location.

Processing & Transit

Orders are generally prepared for shipment within 1–3 business days, excluding weekends and public holidays. We will send a dispatch confirmation and tracking details by email once your order is on its way.

Transit times vary by destination and shipping service. Any delivery date provided at checkout is an estimate and may be affected by carrier operations or customs clearance.

Shipping Charges

Available shipping services and their charges are presented at checkout before payment. Where free shipping is available, it will be clearly shown as an option for your order.

Customs & Import Charges

Shipments from Hong Kong may be subject to duties, taxes, or customs handling fees in the destination country. Unless these charges are explicitly included at checkout, they are payable by the recipient and may be collected by the carrier or customs authority before or upon delivery.

Address Changes & Support

Please review your delivery details carefully before completing your purchase. If a correction is needed, contact support@toptoolonline.com promptly with your order number. We can update an address only while the order has not yet entered the shipping process.

For return requests, please refer to our Return & Refund Policy. Do not send an item to the address on its original shipping label; we will provide the appropriate return instructions for your order.

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A simple solution for complex problems

Authorized seller of Autel and Launch, two leading manufacturers of professional automotive diagnostic tools and accessories.

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Autel AL539B Battery Tester

The Autel AutoLink AL539B is a versatile and easy-to-use battery tester, a multimeter, and an OBDII scanner that is ideal for DIYers as well as more experienced technicians. It provides fast, accurate diagnosis with full OBD2 functionality, patented One-Click I/M Readiness Key, circuit test, battery test, and starting and charging system. 

It features a built-in multimeter that measures voltage, current, resistance, continuity, and diode resistance. Using the AC voltage mode, you can also view the maximum and minimum voltages, frequency, and duty cycle.

 Technical Specs:
Battery Health Test:
  • Provides a complete battery analysis which shows the voltage, good and bad, as well as the release power of the battery;
  • It has a dual battery rated system that is capable of detecting batteries of different standards;
  • Accurately assess the health status of the battery, display the battery voltage and current. 

Type: Regular, AGM, AGM/Spiral, Gel; Rating: CCA, CA, MCA, JIS, DIN, SAE, IEC, EN).

Starting test & charging systems test:
  • Diagnoses the state of 12V charging systems, starting systems, and discharged batteries;
  • To help predict if the battery will fail to start a vehicle;
  • Ensure that the charging current and the output voltage are normal.
Circuit Test
  • Works as an easy-to-use multimeter(AVOmeter)
  • AC/DC voltage test,
  • Continuity test,
  • Resistance test,
  • Current test,
  • Diode resistance.
 Full OBDII diagnostics, all 10 modes:
  • Read Codes: Read Pending Codes, Stored Codes and Permanent Codes.
  • Erase Codes: Erase codes from the on-board computer, “Freeze-Frame” data and manufacturer-specific enhanced data. 
  • Live Data: View live or real-time data of the vehicle's computer module.
  • View Freeze Frame Data: displays the vehicle's operating parameters when a DTC is detected.
  • Retrieve I/M Readiness Status: In order to monitor the operation of the emissions system on OBDII compliant vehicles.
  • O2 Monitor Test: Detect problems related to vehicle fuel efficiency and emissions.
  • On-Board Monitor Test:  Retrieves and displays test results for emission-related powertrain components and systems for vehicles equipped with CAN.
  • Component Test: Performs a leak test on the vehicle's EVAP system.
  • View Vehicle Information: Retrieves vehicle identification information (VIN, CINs, CVNs). 
Other Great Features of Autel AL539B:
  • The data printing feature allows the user to view and print any data from the last system test.
  • DTC lookup for easily retrieving detailed vehicle code information, data playback and printing.
  • Compatible with most 1996 and newer American, Asian, and European OBDII/CAN compliant vehicles, (such as Toyota, Honda, Chevrolet, Ford, Benz, Jeep, BMW, Nissan, VW, Audi, GMCs, etc.)
  • Supports all OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN.
  • Turns off the check engine light(MIL) and clears the codes and resets the monitors,
  • A patented One-Click Readiness Key provides a quick check for State Emissions and drive cycle verification. 
  • Free online updates for software and DTC library.
  • Multilingual menu and DTC definitions (English, Spanish, and French) 
Specifications:
Display TFT color display (320 x 240 dpi)
Operating Temperature 0 to 60°C (32 to 140 F°)
Storage Temperature -20 to 70°C (-4 to 158 F°)
Length\Width\Height 175 mm (6.91”)\96.6 mm (3.80”)\37 mm (1.46”)
Weight 0.3kg (0.8lb, without wire) or 0.68kg (1.82lb, with wire)


What's in the box?
1pc x AL539B Main unit
1pc x Probes
1pc x Battery Test Cable (Not included in the AL539 package list, specifically for AL539B)
1pc x OBDII Cable
1pc x USB Cable
1pc x User's Manual
1pc x CD
1pc x Carry Case
1pc x 3.7V Li-ion Battery 

FAQs

Starting a car with the IM608 ii pro diagnostic tool is a straightforward process.

First, establish a connection between the IM608 and the vehicle's OBD-II port. Power on the IM608 and select the vehicle's make and model from the menu.

Then, access the key programming function and carefully follow the on-screen instructions provided by the tool. This typically involves inserting a new key into the ignition and following specific prompts.

Once the programming is complete, test the newly programmed key to ensure it starts the vehicle smoothly.

IM608 II Pro is equipped with XP400 Pro key programmer and MaxiFlash ECU programmer to provide complete coverage of IMMO and programming functions.

This feature allows users to update or reprogram the software within the vehicle's ECU to address issues such as performance tuning, software updates, or fixing software-related problems.

However, it's important to note that the specific capabilities and compatibility for ECU programming may vary depending on the vehicle make, model, and year.

Please sent the VIN number to support@toptoolonline.com if you wish to check the compatibility of a specific vehicle.

Yes, the Autel IM608 diagnostic tool is compatible with Mercedes-Benz vehicles. It offers comprehensive diagnostic capabilities and supports key programming, as well as various service functions, for a wide range of Mercedes-Benz models.

the Autel IM608 also supports ECU (Engine Control Unit) programming for Mercedes-Benz vehicles, allowing users to update or reprogram the software within the vehicle's ECU.

However, specific capabilities and compatibility for ECU programming may vary depending on the Mercedes-Benz model and year.

Please sent the VIN number to support@toptoolonline.com if you wish to check the compatibility of a specific vehicle.

The IM608 II Pro boasts enhanced firmware, operating on the Android 10 platform, accompanied by expanded RAM and ROM capacities. Additionally, it incorporates the latest JVCI+ VCI, enabling seamless support for CAN protocol read and write operations without requiring a password.

Moreover, it comes equipped with built-in DoIP and CAN FD protocol functionalities, eliminating the need for a converter. Notably, it features a remote expert function, excluding North America, facilitating remote assistance and troubleshooting capabilities.

The IM608 II Pro has more advanced features than the IM608 Pro. It supports Mercedes-Benz infrared key read/write, which the IM608 Pro does not support.