Your car’s tool kit should be equipped with a battery tester in addition to other necessary accessories. It is an important tool that can save you from being stranded in the middle of the road due to a dead battery. Using this tool, you can test your car battery and confirm if it is operating at optimum range.

car battery tester

There are different types of car battery tester available; some employ advanced features while others are your average car battery tester. We have curated this guide to make things easier for you and help you find the best car battery tester.

List Of Best Car Battery Testers

Product Name / ModelOur Review
1. Cartman 12V Car Battery Alternator Tester» Read our review
2. MOTOPOWER MP0514A Digital Car Battery Tester» Read our review
3. OEMTOOLS 24338 100A Battery Tester» Read our review
4. TOPDON BT300P Car Battery Tester» Read our review

1. Cartman 12V Car Battery Alternator Tester Editor’s Choice

Cartman 12V Car Battery Alternator Tester
Brand: Cartman
Weight: 1 pounds
Dimensions: ‎8 x 2 x 1 inches
• Compact and portable design
• Enable alternator, cranking and battery check
• Easy to use
• Only suitable for 12 V batteries
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Cartman car battery alternator tester comes with a perfect combination of features, performance and price. However, the battery tester is suitable for only 12 V batteries. It features an LED display for indicating condition which makes it very easy to understand what is going on with your car battery.

In addition to battery check, the product also enables alternator check, cranking check and charge check. With this product, you can know before time if your battery is dying or if its working at optimum levels.

The only real problem with this battery tester analyzer is the size of clamps. Several users reported that clamps are small for the nuts on the battery. Overall, it’s an excellent car battery tester and will be a valuable addition to your home garage.

View More Details and Current Price on: Amazon or eBay

2. MOTOPOWER MP0514A Digital Car Battery TesterBest Overall

MOTOPOWER MP0514A Digital Car Battery Tester
Brand: MotoPower
Weight: 3 pounds
Dimensions: ‎5.7 x 3.2 x 2 inches
• Digital display
• Two-year warranty
• Safety features included
• A little expensive
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MotoPower is one of the best car battery testers due to the incredible features it has to offer. It includes various colored LEDs for indication making it very easy for you to know if your battery needs a replacement or jump. It also indicates alternator status.

The best part about this battery tester is that it comes with over-voltage and reverse-hookup protection. Moreover, it has an amazing testing range of 4-20V. The tester features a digital display that provides you with highly accurate and easy-to read information.

Construction is another feature that makes this car battery tester a standout. It is a high-quality and lightweight product. Not just that, this automotive battery tester comes with a two-year warranty and lifetime service. Hence, it is a value-to-money purchase and it won’t disappoint you.

View More Details and Current Price on: Amazon or eBay

3. OEMTOOLS 24338 100A Battery TesterBest Heavy Duty

OEMTOOLS 24338 100A Battery Tester
Weight: 25 pounds
Dimensions: 3 x 7.1 x 3.6 inches
• Highly durable battery tester
• Shock-resistant meter
• Suitable for both large and small vehicle
• Does not test 24 V batteries
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If you are looking for a heavy-duty and simple battery tester analyzer for small and large vehicles then OEMTOOLS is what you need. It comes in a steel case, making it durable and a little heavy as well.

This is an ideal tool for testing batteries of trucks, RVs and cars. Not just that, it also works as an alternator tester and you can easily check if the alternator is doing its job properly. It comes with copper-plated clamps and is suitable for 6 V and 12 V batteries.

Due to the compact design, it is very easy to store. Moreover, it features a shock-resistant meter and you can rest assured that it will always provide you with accurate readings.

View More Details and Current Price on: Amazon or eBay

4. TOPDON BT300P Car Battery TesterBest For Automotive Shops

TOPDON BT300P Car Battery Tester
Brand: TopDon
Weight: 8 pounds
Dimensions: ‎11.61 x 10.28 x 2.48 inches
• Has a built-in thermal printer.
• Provide fast and accurate test results
• Simple and convenient to use
• No major cons were reported by the customers.
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TopDon is our last recommendation and the best car battery tester for people who run an automotive shop. It’s an innovative tester that ensures your credibility among your customers.

It is suitable for 12 V and 24 V batteries and ensures they are working at an optimum level. The best part about this battery tester is that it provides accurate and detailed results in the form of printouts straight from the machine as it has a built-in thermal printer. TopDon features a 2.4” color screen which makes it easy-to-read the details. Besides, it comes with spark-free copper clamps, ensuring maximum safety.

It also features PVC-coated wiring and automatic protection against reverse polarity for added safety. With all these mouth-watering features, this car battery tester will be a great addition to your automotive shop. It will assist you in providing quick and accurate battery checks to your customers.

View More Details and Current Price on: Amazon or eBay


How Can I Test A Car Battery Without A Tester?

A good alternative to test your car battery if you do not have a tester is to start your car and turn on the headlights. If the headlights are dim, that suggests your car battery is not in great condition and the alternator is not producing sufficient charge.

How Long Should A Battery Last?

3 to 4 years is the average lifespan for most car batteries.

How Do You Keep A Car Battery From Dying When Not In Use?

There are several things you can do to keep your car battery from dying. Here are a few tips for our side:

  • Use a battery condition for prolonging your battery’s life. It also prevents battery draining elements from affecting your battery.
  • Always ensure to keep the battery terminals free from corrosion. It reduces the battery performance.
  • Avoid switching on/off your car consistently after every minute. It is actually harmful to the battery.
  • During winters, install a battery blanket to prevent the fluid from freezing. This will ensure your battery works properly even if the temperature falls below 0°.
  • Keep a battery tester in your car to regularly check the battery. A quick battery check-up will tell you how much life your battery has left.
Car Battery Tester Guide & Reviews

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