Top 10 Best Car Battery Tester in 2021 – Reviews

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Car battery testers are tools that are used to determine the state of your automotive battery. It performs several tasks including; checking cold-cranking amps, volts, the load, and the battery temperature. It will ensure the longevity of your battery and smooth ride as you will know when your battery requires adjustments or service to meet your operational conditions. Car battery testers will help you to understand the current state of your car battery, and you will be able to predict its longevity.

In the following review, we have done our research and selected the top 10 best car battery testers in 2021 to help you to pick your favorite one.

Factors to Consider When Purchasing the Best Car Battery Tester

  • Clear Display: Look for a Battery Tester that has a big and clear display. You do not want to have inaccurate reading just because the display appears dull and has small fonts. Therefore, look for one that enables readings in the dark and has a large backlit screen.
  • Portable Size: Devices that are small in size and has easy-to-handle design are the best. Moreover, it should comfortably fit in your hands, making it easy to carry around.
  • Wide Range of Functions/Parameters: You need to check whether the battery testers have a wide variety of parameters that it can measure. For example, it should measure amperage, voltage cold cranking amperes, etc. This enables you to diagnose any issues, thus solving the problem quickly.
  • Adjustable Capacity Testing: A dependable battery tester should have a good design that permits easy adjustment of load capacity. It should allow you to test different battery sizes and test different amp ratings.

Best Car Battery Tester in 2021

10. ANCEL BST200 12V Car Battery Tester Digital Analyzer


ANCEL BST200 12V Car Battery Tester Digital Analyzer

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For the best diagnosis of all your automotive battery issues, ANCEL BST200 battery tester is the ultimate tool for you. The battery tester works well with car 12V 100 to1100 CCA batteries including AGM spiral, AGM flat plate and regular flooded batteries for light truck, motorcycle, SUV, cars and more. Overall, the digital analyzer will provide you with accurate result in just 3 seconds, such as state of health, internal resistance, voltage, CCA rating, CCA value, state of charge, and more.

The Car Battery Tester has a small compact design and comes with a large backlight LCD making it easy to operate. Lastly, it is designed with polarity reverse connection protection and doesn’t emit spark, heat, light, or discharge the battery.


  • Gives accurate result in only 3 seconds
  • Small compact design
  • Works on automotive 12V lead-acid battery
  • A large backlight LCD
  • Easier to operate
  • No internal battery required
  • 2 years warranty available

9. Autel AutoLink AL539B 3-in-1 Full OBD2 Code Reader Battery Tester

By: Autel

Autel AutoLink AL539B 3-in-1 Full OBD2 Code Reader Battery Tester

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Forget about those battery testers that give wrong readings putting you in trouble, Autel AutoLink AL539B is the best thing you ever had. It features an expanded function OBD2 scanner that has extra capability of battery testing. This makes it a great solution for accurately and quickly test most types of 12V batteries such as standard, AGM, and maintenance-free batteries.

The Battery Tester allows more convenient and faster diagnosis and features a print capability for car battery healthy status analyzing. Moreover, the unit is easy to use, and it will quality give information about current, voltage, and continuity of any 12V battery.


  • Works well with most types of 12v batteries
  • Portable suitcase for easy to carry
  • One-click I/M readiness
  • LCD screen to display the results
  • Ensures faster and more convenient diagnosis

8. ANCEL BST500 100-2000 CCA 12V/24V Trucks, Cars Battery Load Tester


ANCEL BST500 100-2000 CCA 12V:24V Trucks, Cars Battery Load Tester

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This battery tester by ANCEL is amongst the most reasonably priced units on the market this year. It is a more advanced tool that can test lawn, motorcycle, marine, garden, and other automotive batteries. The unit is designed for 12V battery testing and has wide applicability from gel and deep-cycle, AGM spiral, AGM flat plate to regular flooded batteries.

What’s more, this Battery Load Tester is accurate and fast displaying battery parameters in about 2.5 seconds. Overall, the Load Tester features a rugged casing making it durable and easy to handle. Lastly, it has a built-in printer that uses standard thermal printer paper to print the results for record-keeping.


  • Displays fast and accurate results
  • Test 12V lead-acid batteries
  • Built-in printer that uses standard thermal printer paper
  • Unit is housed in a rugged casing
  • Backlit display screen
  • Tests the batteries on the car directly

7. TT TOPDON AB 20112V/24V Garages TOPDON AB201 Analyzer Battery Load Tester


TT TOPDON AB 20112V:24V Garages TOPDON AB201 Analyzer Battery Load Tester

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If you are searching for a multifunctional car battery tester, then you need to try the TT TOPDON Battery Tester. It is a super cool model made with superior technology. Overall, you can reliably use this unit to make sure that your battery has a health condition. It will work with Lead-acid, Gel Battery, AGM Flat and Regular Flooded batteries for motorcycles, electric cars, commercial vehicles, Trucks or your car.

The battery tester will bring accurate data and has a printing function that offers you the ability to print results. Additional to this, it allows you to take printed diagnostic data and makes accurate judgments about the battery.


  • Delivers accurate test results
  • Has the ability to print the last test result
  • Six different languages for choosing from
  • Extensive vehicle applications of ab201
  • Works well with the commonly-used battery system standard
  • 12 months of quality assurance

6. Schumacher SC1281 30/100A 6/12V Battery Charger with Advanced Diagnostic Testing

By: Schumacher

Schumacher SC1281 30:100A 6:12V Battery Charger with Advanced Diagnostic Testing   Get it now on

Are you suspecting your car battery status? Well, Schumacher SC1281 battery tester will help you to get the right results. The Battery Charger features a 100A jump start and 30A quick boost making it powerful enough to start trucks, SUVs and large batteries. Besides that, the alternator tester and the battery provide charge level while helping you to diagnose electrical problems.

The unit features auto-voltage detection and multi-stage charging for added safety, precision, and battery life. Moreover, it has a reverse hook-up protection to ensure that the charger will never operate whenever the clamps are reversed. Lastly, the unit is compatible with most battery types, such as deep-cycle, gel, AGM, and standard batteries.


  • Reverse hook-up protection
  • Helps diagnose electrical problems
  • Auto-voltage detection and multi-stage charging
  • Compatible with standard and deep-cycle batteries
  • Easily detect six or 12V batteries
  • Start/Stop push-button interface improves ease of use

5. FOXWELL 12V Automotive Faults Detector Battery Tester Analyzer


FOXWELL 12V Automotive Faults Detector Battery Tester Analyzer

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The FOXWELL 12V Battery Tester, Analyzer is among the safety devices you can utilize on your battery. Also, it will offer you an easy way to view battery charging status, analyze the battery health status, and detect faults of your car’s battery. In addition to that, the unit will allow you to test battery condition of your 12V 100 to 1100 CCA AGM spiral, regular flooded, GEL as well as AGM flat plate batteries.

The battery tester is safe and reliable, and when the polarities wrongly-connected, it will not get damaged, heat, or spark. Finally, the Tester Analyzer is much easier to operate and comes with a large LCD with the menu-driven operation and arranged keypad.


  • Gives accurate test result in 3 seconds
  • Safe and reliable
  • Large backlit LCD display
  • 12v automotive battery analyzer

4. ANCEL BA101 Professional 100-2000 CCA 12V Automotive Battery Tester


ANCEL BA101 Professional 100-2000 CCA 12V Automotive Battery Tester

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ANCEL BA101 is an incredible tool mostly for professionals, and it gives reliable and accurate information about your automotive. It has a small and compact design, and it is ideal for analyzing any 12V batteries healthy. Overall, it is going to tell you about cranking power, charge, voltage, and how much life is left on your car’s battery.

The Battery Tester features a large LCD display with a contrast adjustment and white backlight that indicate the results directly. Above all, there will be no internal batteries needed as this tester will get the power directly from 12V battery.


  • Small compact design
  • Equipped with a 3. 0 feet long cable
  • Large LCD display
  • Wider test range (100-2000 CCA)
  • No internal batteries required
  • Analyze any 12V batteries healthy

3. FOXWELL BT705 Automotive Battery Tester 100 to 2000 CCA Battery Tester


FOXWELL BT705 Automotive Battery Tester 100 to 2000 CCA Battery Tester

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The FOXWELL BT705 is a decent automotive battery tester that provides reliable results. It is designed for 12 V or 24 V batteries that have the capacity of 100-2000 CCA. What’s more, the battery tester will work well with GEL, AGM spiral, AGM flat plate, regular flooded, and deep cycle batteries. Moreover, it adopts advanced conductance testing technology and will quickly and accurately measure the actual healthy state of the battery.

The battery diagnostic tool offers the results in just 2.5 seconds. Furthermore, it features easy to use and large backlit LCD helping you to resolve and diagnose car battery healthy problem in time without disconnecting the battery. Finally, it comes with 7. 8ft long cable.


  • Designed for 12 V or 24 V batteries
  • Backlit LCD display
  • Premium quality copper clip
  • Comes with 7. 8ft long cable
  • Measure battery statues accurately and quickly

2. SOLAR 40-1200 BA9 CCA System Tester and Digital Battery

By: Clore Automotive

SOLAR 40-1200 BA9 CCA System Tester and Digital Battery

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Are you searching for a smart way of testing your car battery condition? Now, SOLAR 40-1200 battery tester is specifically designed to provide a complete testing solution. It will offer an easy, fast, and accurate assessment of 12 Volt batteries, charging systems, and starting systems. In addition to that, it is compatible with most battery types such as Gel Cell, Spiral, AGM, and Flooded batteries.

Overall, this unit has an operational range of 7-15V and can test against a wide range of rating systems including IEC, EN, JIS, DIN, CCA, and more. Last but not least, the LCD display will provide optimal viewing irrespective on which lighting environments.


  • 7-15V operating range
  • 12 Volt battery and system testing
  • LCD display for optimal viewing
  • 40-1200 CCA testing capacity
  • Offers easy and accurate assessment batteries
  • Compatible with many battery types

1. Schumacher BT-100 100 Amp Capacity Battery Load Tester

By: Schumacher

Schumacher BT-100 100 Amp Capacity Battery Load Tester

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Our Battery Load Tester comes from Schumacher Company. It is ideal for testing 6V and 12V batteries that have up to 1000 CCA. It offers a complete charging system diagnosis of your boats, ATVs, motorcycles, RVs, light trucks, cars and lawn tractor batteries. In addition to that, this load tester is housed in a sturdy steel case making it durable and will serve you for a long time.

The BT-100 Load Tester is equipped with top-mounted rocker switch and super-grip battery clamps that make it easy to use. Overall, it comes with an insulated carry handle to ensure safety.


  • Tests 6V and 12V batteries
  • Housed in a sturdy steel case
  • Top-mounted rocker switch
  • Super-grip battery clamps
  • Rubber insulated carry handle
  • Very easy to use


Automotive can be very annoying if the battery is not working well. It is crucial to test your car battery regularly. We have reviewed some of the best battery tester models that we are sure that will give accurate readings. They are the best deals and are compatible with many battery types. Besides, they come with different price ranges making it convenient to choose the suitable model.


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