The Best Battery Tester 2021

Car batteries are an essential component of any vehicle and it’s crucial that it functions to the best of its abilities. To ensure that this is the case, a battery tester is highly recommend and in this article, we list some of the best.

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Best Battery Tester
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The best battery tester is the Topdon AB101, which is an easy to use device that clearly outputs tests results as a readable result. If you require a more affordable device for testing the battery or alternator, the Sealey AK500 is the best alternative that won’t disappoint.

Car Battery Tester Comparison

Car Battery TesterConnectionDisplay
Topdon AB101Alligator ClipsDigital
Konnwei KW600Alligator ClipsDigital
Sealey AK50012V PortDigital
VIDENT iBT100Alligator ClipsDigital
MOTOPOWER MP0514AAlligator ClipsLED
AUTOOL BT-760Alligator ClipsDigital

Below is a list of the best battery testers that are easy to use and designed specifically for car batteries.

The Best Battery Tester

1. Topdon AB101 Car Battery Tester

Topdon AB101 Car Battery Tester
By far the most popular and highly rated car battery tester on the market is the Topdon AB101. It’s a mid-range option that provides easily readable test results and battery troubleshooting to help diagnose any issues.

Other features of the Topdon AB101 include:

  • Run multiple tests from one button
  • Cranking and charging tests
  • Supports multiple languages
  • Reverse polarity safety protection
  • Compatible with all 12V cars

Overall, the Topdon AB101 is the best battery tester that’s suitable for all 12V car batteries and ticks all the boxes. It isn’t the cheapest tester but the intuitive design and detailed results make it very easy to use.
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2. Konnwei KW600 Automotive Battery Tester

Konnwei KW600 Automotive Battery Tester
Another popular car battery tester that’s at a similar price point is the Konnwei KW600 model. It’s compatible with all 12V batteries and provides a range of data including the voltage, internal resistance, CCA, AH capacity and much more.

Other features of the Konnwei KW600 include:

  • Large digital display
  • Simple four button operation
  • Built-in memory card for printing data
  • Supports 12 different languages
  • Charging and cranking tests
  • Voltage waveform analysis

The Konnwei brand offer a number of battery testers but the KW600 is by far the best model by the brand. The large digital display along with the long lists of available tests makes it a great alternative to the Topdon alternative above.
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3. Sealey AK500 12V Battery Tester

Sealey AK500 12V Battery Tester
The Sealey AK500 is a unique car battery tester as it retrieves data via the car’s cigarette lighter socket as opposed to the battery itself. This makes it far easier to use and diagnose basic issues with the battery or alternator.

Other features of the Sealey AK500 include:

  • Two button operation
  • Connects via the cigarette lighter socket
  • Battery and alternator tests
  • Clear LCD display
  • 25 cm long power cable

If you require a simple to use and accurate device for carrying out tests on your battery or alternator, the Sealey AK500 is perfect. It’s also one of the cheapest testers that’s backed by a reputable brand for complete peace of mind.
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4. Vident iBT100 12V Battery Tester

VIDENT iBT100 12V Battery Tester
The Vident iBT100 is an affordable and versatile 6V and 12V battery tester that’s packed with the latest technology for detailed battery testing. In terms of its design, it comes with high quality metal alligator clips and is housed within a rubberized sleeve for extra durability.

Other features of the Vident iBT100 include:

  • Covers 8 battery standards
  • Suitable for most car batteries
  • Test results in just 3 seconds
  • Automatic temperature compensation
  • Testing with or without the battery installed
  • Multiple language support

Overall, the Vident iBT100 is an excellent all-round battery tester that’s easy to use, built to a high standard and is also relatively affordable. Considering that it’s a model with a large digital display, you cannot go wrong for the price.

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5. MOTOPOWER MP0514A Car Battery Tester

MOTOPOWER MP0514A Car Battery Tester
One of the cheapest battery testers that’s actually worth buying and comes with a two year warranty is the MOTOPOWER MP0514A. Although its doesn’t feature a large digital display, it has various LED’s that indicate the battery and alternator status.

Other features of the MOTOPOWER MP0514A include:

  • Fast and accurate test results
  • Result output via LED’s
  • Robust black rubber painted body
  • Reverse hook up and over voltage protection
  • Backed by a two year warranty

The MOTOPOWER MP0514A is the best budget battery tester that’s ideal for retrieving informative data from your car’s battery. The only drawback is a lack of a digital display but this won’t be an issue for most people.

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6. AUTOOL BT-760 Battery Load Tester

AUTOOL BT-760 Battery Load Tester
By far the most expensive car battery tester that’s ideal for professionals is the AUTOOL BT-760. Unlike any of the alternatives, this particular model has a built-in printer that prints out all of the batteries statistics when required.

Other features of the AUTOOL BT-760 include:

  • Suitable for a range of battery types
  • 2.8 inch colour display
  • Built-in thermal printer
  • Variety of testing procedures
  • Supports 12 different languages

Although expensive, the AUTOOL BT-760 is the most advanced battery tester that’s perfect for professionals or those that perform lots of tests on a variety of batteries. The addition of the built-in printer is also very unique and saves the time consuming task of writing everything down with pen and paper.
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When it comes to a faulty battery, most people will often replace it straightaway with a brand new car battery. However, by performing a few tests upon the battery or alternator, you may be able to save yourself a small fortune if it turns out the battery isn’t at fault. All of our recommendations above are relatively affordable and are ideal for diagnosing issues with the car’s battery, alternator and other electrical faults.

author dan 4car

Written By Dan

Dan has been a car enthusiast ever since he can remember and has an extensive range of cars that include classic cars that he has restored himself from a barn find condition to modern performance cars. Whether you need advice on how to install car parts or recommendations on what products to buy, Dan’s first-hand experience will certainly help.

If you want to find out more about Dan, our testing process or the website itself, visit our about page for further information.

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