Top 10 Best Car Battery Testers 2021 Reviews

Testing your car battery regularly is crucial to having a reliable vehicle. By testing it frequently, you can ensure no signs of weakness or corrosion, ensuring the battery will not fail soon.

10. DY2015C Automotive Battery Tester

DY2015C Automotive Battery Tester

Pros use the well-designed and efficient DY2015C on both 12-volt and 24-volt lead-acid storage batteries. Its design makes it easy to operate and read with a large LCD. It also features a printer that makes the tester’s operation more visible and convenient.

Using a 4-wire Kelvin test connection, the DY2015C provides an accurate circuit and strong digital processing. It also fortifies input protection inside the unit to stop polar reversal connection incidences, poor test clamp contact, and over-high voltage input making testing safer and more convenient. This is a great option for vehicle repair, condition checks on lead-acid batteries, and battery sales.


  • Works as well as more expensive models
  • Fast and accurate
  • Great printing feature

9. ATD Tools 5489 Battery Tester

The ATD Tools 5489 tests batteries to 1000 CCA and includes a separate ammeter to allow the battery’s precise loading. Ideal for 12-volt batteries, starters, and alternators, the ATD Tools 5489 has a color-coded pass/fail bands that are temperature compensated on the voltmeter to give you precise assessments.


  • Great for car truck and marine 12V batteries
  • Accurate and easy to read
  • Sturdy with a solid metal case


8. Quicklynks BA101 Battery Tester

Quicklynks BA101 Battery Tester

The Quicklynks BA101 Battery Load Tester is a great option for 12-volt batteries and is a great addition for maintenance and repair shops. This tester allows you to detect a bad battery directly, so you don’t have to take the battery out of the car. You can also print the testing data with a computer using a USB cable.

The BA101 is also a multi-testing unit, including a cranking test, charging test, and battery test. It also protects itself with a polarity reverse connection, safeguarding a reverse connection from damaging the tester or affecting the battery and the vehicle. It also comes equipped with three feet of long cable made of a thick flexible insulator, making it safer than other battery analyzers.


  • Easy to use, very handy
  • Good value for the money
  • Easy menu interface

Other Topic: Best Portable 12v Car Battery Chargers Reviews

7. Digital 12V Car Battery Tester Automotive Battery Load Tester

Digital 12V Car Battery Tester Automotive Battery Load Tester

If you are looking for a smart and reliable battery tester, the AE300 battery tester was created to test 12-volt batteries. It can quickly and reliably analyze and test your battery using Voltage, CCA Value, battery life, and inner resistance. With numerical results, you can check your battery’s condition to escape any surprise battery shutdowns. It is also compatible with various batteries, including GEL Cell, Marine Deep Cycle batteries, AGM, and Flood.

With its safety features, the AE300 provides continuous battery power testing, making it a safe option for your battery. It also features reverse polarity and over-voltage protection, making it safer for both the equipment and the operator. Plus, it can fit in your pocket, making it handy as well as useful.


  • Very useful, a good investment.
  • Good quality for the price
  • Good display

6. OTC 3182 Battery Load Tester

OTC 3182 Battery Load Tester

The OTC 3182 Battery Load Tester gives you precise results in a lightweight and compact design. This durable and rugged tester is great for everyday testing of both six and twelve-volt batteries. Featuring a large and easy-to-read display, the OTC 3182 also includes an alternator test lead, an aside-clamper mount, a ripple detection light, a comfortable easy-to-grip ergonomic handle, an alternator ripple test, and a starter and charging system test.


  • Clear, fast reading on the digital display
  • Highly accurate, easy to use
  • Inexpensive and time-saving

5. MOTOPOWER MP0514A Battery Tester

MOTOPOWER MP0514A Battery Tester

When you need a quick reading, the MOTOPOWER MP0514A Battery Tester features an LCD with LED Indicator that gives you fast and accurate readings. It features a DC testing range for all 12-volt batteries and offers safety protection for short-circuiting, reverse polarity, and overload. The LED Indicators include colored lights that indicate the battery’s status, and the easy to read four-character digital display is lighted. The battery also includes 39 amp alligator clamps that have rubber paint housing.


  • Inexpensive and basic
  • Works good, does the job.
  • Does everything you want it to

4. FOXWELL 12V 100-1100 CCA Battery Load Tester

FOXWELL 12V 100-1100 CCA Battery Load Tester

Developed to test 12-volt batteries, the BT100 Battery Analyzer works on AGM flat plate, flooded, and AGM spiral. This is a simple and inexpensive tester that gives you a quick response on your battery’s health in just three seconds. It has a wide testing range from 100 to 1100 cold-cranking amps and can test multiple rating systems.

The Foxwell also can detect a bad cell and can precisely test both charged and discharged batteries. It also has a variety of safety features that include over-voltage protection and reverses polarity. This pocket-sized tester is easy to use and convenient for any vehicle with a 12-volt battery.


  • Good quality, nice alligator clips
  • Gives basic info, a good device for the price
  • Gives you accurate, consistent results.

3. SOLAR BA7 100-1200 CCA Electronic Battery and System Tester

The Solar BA7 Battery tester works on batteries that range from seven to fifteen volts rated between 100-1200 CCA. It is convenient with a fast assessment that gives you both a pass/fail LED result and a numerical answer. The Solar BA7 also works with various battery types that include AGM, maintenance-free, gel cell, conventional, and marine cranking deep cycle batteries.


  • Fast and simple to use
  • You don’t have to remove the battery to test it.
  • The battery doesn’t have to be fully charged to test


2. Cartman 12V Car Battery & Alternator Tester

Cartman 12V Car Battery & Alternator Tester

The Cartman Battery Tester works on 12-volt batteries and uses an LED display to indicate the battery’s condition. This is sturdy and easy to use, a tester that can test a battery, whether it is fully charged or not. The Cartman is a durable product that has an easy to read display.


  • Does what you need it to do, very accurate
  • Easy to read, very handy
  • You get a reading from touching the clamps to the battery.

1. Schumacher BT-100 Battery Load Tester

Schumacher BT-100 Battery Load Tester

If you need a battery tester for everyday use, the Schumacher BT-100 Battery Load Tester works on both six and twelve-volt batteries. It offers a complete charging system diagnostic and tests the battery condition, load, and starter motor draw. With its shock-resistant meter that is encased in sturdy steel, this durable tester can be used anywhere. It also features a strong baked enamel finish, a rubber insulated carry handle, a top-mounted rocker switch, and super-grip battery clamps.


  • Works as it should, accurate
  • Good quality for the price
  • Simple to use and to understand