Best Battery Tester

6 Best Car Battery Testers (Review)

This post may contain affiliate links. That means if you click and buy, we may receive a small commission (at zero cost to you). Please see our full disclosure policy for details.

The best car battery tester is a vital piece of equipment needed in your toolbox. It is used to check if your car battery is at the best level of performance. Car battery testers can perform a lot of functions, ranging from checking the amount of charge left in the battery to the diagnosis of the battery condition. 

A car battery tester will save you from a lot of unexpected issues and make sure you do not get stuck on the road because of battery failure and other electrical issues. 

FOXWELL BT705 24V 12V Car Battery Tester...
ANCEL BA101 Professional 12V 100-2000 CCA...
Car Battery Tester 12V Load Tester, TOPDON...
FOXWELL BT705 12V 24V Car Battery Tester Automotive 100-2000 CCA Battery
ANCEL BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery
Car Battery Tester 12V Load Tester, TOPDON BT100 100-2000 CCA Automotive
FOXWELL BT705 24V 12V Car Battery Tester...
FOXWELL BT705 12V 24V Car Battery Tester Automotive 100-2000 CCA Battery
ANCEL BA101 Professional 12V 100-2000 CCA...
ANCEL BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery
Car Battery Tester 12V Load Tester, TOPDON...
Car Battery Tester 12V Load Tester, TOPDON BT100 100-2000 CCA Automotive

Having taken into consideration how much a battery tester can help you, we have made a list of the best car battery testers available commercially, giving a description of each product, a buying guide, and some frequently asked questions to give you all the necessary information you may need in making the right choice.

1. FOXWELL BT705 Car Battery Tester

FOXWELL BT705 Car Battery Tester

The first item on our list of the best car battery testers is this kit from Foxwell. This best car battery tester can be used for a wide range of vehicles from small cars to heavy-duty trucks; it can be used to check battery voltage range of 12V to 24V with a capacity of 100 to 2000CCA.

The BT705 is an upgrade of the BT100pro as it adopts advanced technology. The testing wires and clip are made of copper, which maintains a stable connection between the battery and the tester to produce accurate and reliable results.

The digital display is easy to read makes it usable for car owners and professional mechanics, and also displays the result and health status of your battery within 2.5 seconds. It is also used to check the crank system, starter system, and charging system to ensure they are receiving and producing the right amount of voltage.

Opting for this model of car battery tester, you will not have to spend too much on too little because it comes at a very good and justifiable price.


Key Features

  • Suitable for 12V and 24V batteries
  • Can be used for multiple vehicles 
  • Wires and clip designed with copper
  • Fast and accurate result
  • Digital LCD for easy interpretation
  • Suitable for checking crank and charging systems
  • Includes 7.8ft cable

2. ANCEL BA101 Professional Car Battery Tester 

ANCEL BA101 Professional Car Battery Tester

Making our rundown of the best car battery testers, this tester has a wide testing range of 12V batteries with a 100 to 2000CCA capacity and can be used to test small batteries for deep cycle batteries and other heavy-duty batteries. 

With this battery tester, the design matches the great value. It is designed with a wide digital LCD making interpretation easy to read for both car owners and professionals; it is also easy to carry around due to its small compact design. 

It can quickly give results about the battery, crank system, charge system, and how much voltage is remaining in the battery. The 3ft long wires are made of copper to ensure the delivery of accurate results. The Ancel car battery tester can also be used to check the health status of the alternator and starter system.

Although you may spend a few bucks, the sacrifice is worth it. 


Key Features

  • Can be used for a wide range of 12V batteries
  • Large digital LCD for easy interpretation
  • 3ft long insulated cables
  • Easy to use with a small compact design
  • Displays battery life in percentage (%)
  • Stores result for print function

3. TOPDON BT100 Car Battery Tester

TOPDON BT100 Car Battery Tester

Designed to be compactable with a wide range of 6V to 12V batteries with a capacity of 100 to 2000CCA, this best car battery tester can be used for cars, motorcycles, boats, and many heavy-duty batteries.

With one touch of a button, this battery tester shows the health of the battery, cranking, and charging system in a matter of seconds. This quick-touch feature makes this device one of the most easy-to-use on our list.

It is easy to interpret with a large digital LCD and 3 LED indicators (a good, charge, and bad) making it suitable for professionals and non-professionals. Supports multi-languages display in English, Russian, Spanish, French, Italian, and German. This user-friendly and clear display screen makes reading a lot easier.

Overall, you have in hand a compact, Powerful, lightweight, and reasonably priced product that brings value for money.


Key Features

  • Suitable for 6V to 12V batteries
  • One button fast result display 
  • Compatible with cars, motorcycles, boats, etc
  • 3 LED indicators (good, charge, bad)
  • Large digital LCD

4. Schumacher BT-100 Car Battery Tester

chumacher BT-100 Car Battery Tester

Don’t let the looks discourage you, this is an upgraded, state-of-the-art analog car battery tester that can be used to explain the health status of 6V and 12V batteries with 50A and 100A capacity. 

It is compatible for use with cars, small trucks, ATVs, small boats, and motorcycles. The analog display comes with color indications (green, yellow, and red) making it easy to read for both dummies and professionals.

It checks the battery condition, starter condition, and gives a complete diagnosis of the charging system. The voltmeter is shock resistant and mounted in a rubber-insulated steel case, making it durable for use in rigorous conditions.

It doesn’t matter whether it is the cold of the winter or the heat of the summer. This car battery tester will withstand all the shenanigans and raise its head high.

Overall, this tester is affordable and won’t require you to break the bank.


Key Features

  • Compatible with 6V and 12V batteries
  • Suitable for battery 50A to 100A capacity
  • Easy to use for professionals and non-professionals
  • Analog display
  • Suitable for battery, crank, and charging systems
  • Built with rubber-insulated steel case

5. SOLAR BA9 Digital Car Battery Tester

SOLAR BA9 Digital Car Battery Tester

It is one of the best battery testers, and it provides a fast, accurate result for 12V batteries with a capacity range of 40 to 1200CCA. It has an operating range of 7V-15V. It features a large digital LCD making the result display easy to interpret for both professionals and private car owners.

It is used to tell the level of battery health, crank and start systems of the vehicle. It also features a myriad of safety features including, high voltage protection and reverses polarity to prevent the damage of the cables and the entire battery tester system.

What’s more, the Solar BA9 Car Battery Tester is one of the most durable items on this list. It is designed to hold out against the elements, including cold and water. It is also resistant to rust and corrosion, offering confidence that you can use it in the summer and winter, and any other part of the season.


Key Features

  • Fast and accurate
  • Suitable for 12V batteries with a capacity range of 40-1200CCA
  • Working range of 7V-15V
  • Includes high voltage protection and reverse polarity
  • Large LCD for ease of use

6. CARTMAN Car Battery Tester

 CARTMAN Car Battery Tester

Making the last cut on our list of the best car battery testers is the Cartman Car battery Tester. If anything, this is one of the most compact, lightweight, and durable testers on our rundown. It implies that regardless of the size of your cargo compartment, this tester can be stashed in. Also, the extreme weather conditions cannot stop this device from carrying out its duty in and out of season.

The Cartman tester is a small but powerful car battery tester that is built specifically to serve 12V batteries. It is best for non-professionals due to its easy-to-understand LED indicators.

It can be used to check battery life, charging conditions, and alternator charging. In contrast with other best car battery testers on our rundown, this is the cheapest and the smallest. It does not include the LCD but does the job perfectly.


Key Features

  • Built only for 12V batteries
  • LED indicators
  • Checks battery, charging, and alternator
  • Inexpensive

Best Car Battery Testers Guide & FAQ

You must be on the lookout for a range of features each time you are out to buy the car battery testers. These features will make you enjoy the durability, longevity, performance, and cost-saving capacity of the item.

Although most of the car battery testers on our list here boast these features, you will have to be double sure that the manufacturer’s manual or product’s label indicates some of the features.

Let’s take a look at some of them:

Lead Connectors

Another important feature you must consider before buying a car battery tester is the lead connectors. Make sure you get this digital part of your car battery that will be compatible with your car battery and work perfectly. If you plan to use the tester for an extended period, then you may have to buy the type that comes with a covered lead connector. The cover should be made with a mild rubber material that won’t scratch the device.


The display of the battery tester should be clear, bold, and easy to understand for both professional mechanics and simple car owners. If the display is blurry, you may not be able to see the results of the test from the device. This will amount to not having the result in the first place. Taking the wrong reading may be risky. 

Battery type

The type of battery your car uses should inform the model of car battery tester you should buy. We have the starting, lighting, and ignition battery, deep cycle battery, valve-controlled lead-acid battery, wet cell battery, flooded battery, and a lithium-ion battery. Make sure your car battery tester is compatible with the battery to give an accurate reading. 

Working Capacity

The car battery tester you pick should be able to accommodate the capacity of your car battery. It should also have a great working range so it can be used for different batteries to avoid multiple testers for several batteries.


Many of the car batteries on our rundown can check battery health, charge left, crank system, and alternator charge. Some just check the health of the battery regularly. So your choice depends on what you intend to achieve.

Frequently Asked Questions

Q: How can I use a Car Battery Tester?

The good news is that the car battery tester is one of your vehicle accessories and components that are quite easy to operate and use. The tester is a simple device and there are no complex directions. You will not need any special tools or skills to operate the car battery tester. 

Depending on the instructions on the product’s manual, the following 4-step process will see you through the how-to guide of using the tester: 

  • Connect the red labeled clamp to the positive (+) terminal
  • Connect the black labeled clamp to the negative (-) terminal
  • Observe the results on the display
  • For more complex battery testers, push the check button and watch the display

Q: What is the voltage range of the best car battery tester?

Here, you have to be very careful and watch everything you’re doing. There are factors that you will need to factor in to determine the average voltage range of the best car battery tester. These include the model of the tester, size, and the purpose of the tester. 

However, the average working voltage range of between 7V to 24v should be enough to power your tester and produce an accurate reading.

Q: What are the types of battery testers?

Interestingly, there are a variety of different types of battery testers out there, depending on the mode of operation, usage, purpose of use, and the size of the machine or equipment that uses the battery. Generally, there are electronic battery testers, household battery testers, car battery testers, and general battery testers.

Final Thoughts

With this post, you must be adequately equipped in many areas that you need to when it comes to getting information about buying and using the car battery tester. It implies that the next time you are out to buy this device, you won’t have any issues as you can now go with your head up.

Remember, the market litters a lot of counterfeit products. It takes a curious shopper to find the right kit that will deliver the accuracy of results. The good news is that if you decide to go for any of the car battery testers described in the post, you won’t go wrong. They are made by the leading manufacturers of automotive accessories in the industry. They also boast all the features you will need in a car battery tester. Make no judgment errors in your decision-making, and you enjoy the money you splash on the product.

Similar Posts