12V Car Battery Tester Analyzer

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Product Details


Unlock the full potential of your vehicle’s battery performance with our advanced 12V Car Battery Tester Analyzer. Designed to provide precise and comprehensive diagnostics, this tool is your go-to solution for assessing battery health, charge status, and overall performance. Its ability to read vital data such as voltage, internal resistance, cold cranking amps (CCA), and AH capacity makes it an indispensable accessory for every car owner.

Key Features

  • Wide Testing Range: 100-2000CCA, ideal for analyzing a variety of battery types.
  • Accurate Results: Measures voltage, internal resistance, CCA, and AH capacity.
  • Advanced Diagnostics: Offers detailed analysis on battery health and charge status.
  • Intelligent Display: Features a 2.4” backlit screen for easy reading and graphing results.
  • Lifetime Updates: Free updates supported by the KONNWEI BTlink app.
  • Multi-Language Support: Includes English, French, German, Dutch, Russian, Spanish, Italian, and Portuguese.
  • Supports 9 Battery Standards: Ensures compatibility with a wide range of battery types.

Product Benefits

Whether you’re a professional mechanic or a car enthusiast, our battery tester analyzer offers unparalleled benefits:

  • Efficient Diagnostics: Quickly identify battery issues with accurate, real-time data.
  • Preventive Maintenance: Assess the aging extent of your battery, allowing for timely replacements or servicing.
  • Enhanced Reliability: Rely on precise information for better decision-making regarding battery health and maintenance.
  • Easy Operation: Intuitive interface with a smart chip for rapid reading access.
  • Comprehensive Support: Backed by lifetime updates and multi-language options for global use.

When to Use

This battery tester is best used for regular maintenance checks, pre-winter assessments, or anytime you notice signs of battery weakness. It’s the perfect tool for diagnosing issues before they escalate, ensuring your vehicle remains reliable and ready to perform.

What Makes It Special?

What sets this battery tester apart is its combination of advanced technology, user-friendly design, and comprehensive diagnostics. The inclusion of a state-of-the-art STM32 main chip facilitates rapid and accurate readings, making it a standout choice for those who demand the best in automotive care.

Call to Action

Don’t wait for battery failure to leave you stranded. Take control of your vehicle’s health today with our 12V Car Battery Tester Analyzer. Shop now to enjoy peace of mind on every journey!


  • Over 37,000 happy customers across the US
  • Real people on our support team ready to help
  • The finest materials and stunning design — all our products are developed with an obsessive dedication to quality, durability, and functionality
  • We use the most secure online ordering systems on the market, and are constantly improving our software to make sure we offer the highest possible security


Our mission is to make your shopping experience as safe and enjoyable as possible. Have questions? Feel free to contact our award-winning customer care team for advice on everything from product specifications to order tracking.

  • Money back guarantee: Something not quite right? If you’re not totally satisfied with your purchase, you can return it within 15 days for a full refund
  • Risk-Free Purchase: We utilize industry-standard Secure Sockets Layer (SSL) technology to allow for the encryption of all the sensitive information, so you can be sure your details are completely safe with us
  • Trustworthy payment method: We partner with the most popular online payment solutions that guarantee enhanced security and fast transaction processing
Shipping & Delivery

How much does shipping cost?

We are glad to bring our customers great value and service. That’s why we provide fast shipping from our Fulfillment Center in California and China by UPS and USPS.

What countries are you delivering to?

As of now, we’re delivering to the United States only.

How long is the shipping time?

Shipping time varies by destination and warehouse location. Estimated shipping time is 5-20 business days. Please note that during high demand season the estimated delivery time may increase.

How can I track my parcel?

Once your parcel has left our Fulfillment Center, you will receive an email with a tracking number to monitor your parcel movements.

Can you ship my order to a business address?

Yes, you can write your business address in your order details if it’s more convenient to you.

Can you ship my order to a PO Box address?

Yes, you can select delivery to a PO Box if it’s more convenient to you.

Can you ship my order to APO or FPO military addresses?

Yes, we ship anywhere in the United States, and to all US territories and military APO/FPO addresses.

What happens to my parcel if it is delivered while I’m not there?

Depending on the destination and the package size, your parcel will be left in your mailbox or on your porch, or it may be left with a neighbour.


How to search for products?

Simply type the product name in the Search Bar at the top of any page. Try to enter a general description. The more words you use, the less products you will get on the results page. When you find a product you’re interested in, simply click on its name or image for more details.

Do I need to create an account to place an order?

It’s not a must: you can place your order even if you don’t have an account or aren’t logged in..

How do I place an order?

On the product page with the item you like, select the color or other product variation (if there are any) that you like the most, and click on the Add to Cart button.

As soon as you’ve added everything you wanted to your cart, click on the Proceed to Checkout button.

You will see the list of items you’re ordering, and will be able to remove, add, or edit anything if necessary.

Make sure your shipping details are filled in correctly, and click on the Complete Order button. Finally, select the payment method that’s most convenient to you, and check out.

How do you protect my personal details when I register and check out?

We offer the highest security possible at all times to make sure the online transactions keep your personal information safe..

Following the industry standards, we use the Secure Sockets Layer (SSL) technology to encrypt the information you share with us such as your name, address, and payment details..

Can I buy your items and send them to someone as a gift?

Yes! Simply use this person’s address as the shipping address when you place an order. There will be no price tags on or within the package!.

Can I change or cancel my order?

Yes, if your order has been paid and you need to change or cancel it, you can do this within 12 hours of placing it..

To edit your order details or cancel the purchase, simply use the Contact Us form to send us an email..

An item is missing, wrong, or damaged in my package. What should I do?

We're sorry it’s happened to you! Kindly use the Contact Us form to get in touch with us and tell all the order details so that we could sort it out for you..

About Us
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