10 Best Car Battery Testers to Buy in 2018

Best Car Battery Testers

Car batteries are designed to be rechargeable. However, even with this convenience, car batteries, like it is the case with any other type of battery loses power and performance over the years. The ability to hold charge for a long time reduces considerably with every passing year or month. Eventually, they die. But even while their death was slow and expected, it still has a way of getting car owners off guard and unprepared.

If you are a car owner and are tired of these times, it is best to take a step and get yourself a car battery tester. With this unit, you will be in a position to tell the current state of your battery and probably even predict its death. All in all, you will wave bye-bye to the inconveniences of having to deal with dead batteries in the middle of nowhere.

To get the best unit, there are certain factors that you will need to consider beyond the color. Below are some reviews of the top units to help make the choosing process an easy one.

10 Best Car Battery Testers - Reviews

10. Amprobe BAT-200 Battery Tester

Editor's Rating: (4.4 / 5)

Amprobe BAT-200 Battery Tester

Battery problems are the leading cause of equipment and sensor failure. It can be pretty frustrating before you catch the problem. The Amprobe BAT-200, however, is one of the best, if not the best battery testers there is on the market. This unit is used in indicating the amount of charge remaining on a rechargeable or standard battery.

Amprobe BAT-200 uses an analog scale to provide the reading. The needle moves over the color-coded scale on which green means good, yellow means low and red means replace or recharge. The unit can be used to test any battery type 9V, AA, AAA, C, D, 1.5V Button Type battery. You should note that this unit does not have run on all batteries.

As a unit, the Amprobe BAT-200 has been designed to be compact and very easy to use. With the color codes, interpreting the reading is easy and straightforward. You need not have any technical knowledge to know the status of your car battery.

9. Cartman 12V Car Battery & Alternator Tester

Editor's Rating: (4.3 / 5)

Cartman 12V Car Battery & Alternator Tester

In the event you are looking for one of the best units there is on the market, you will be pleased to note that the Cartman Car Battery & Alternator Tester is perfect for your needs. The unit has not only been designed as a battery tester but also as an alternator tester which is an added plus (especially since not many products come with this feature). With the alternator check feature, you do not have to strain yourself trying to access the alternator.

As a whole, Cartman designed this unit to be sturdy, durable and most importantly easy to use. The fact that you prefer carrying out the tests by yourself does not mean that you are adept with complicated formulas and have the technical know-how to determine the state of your battery.

No, as a matter of fact as a DIY individual, all you know you probably picked up and learned from the internet. For this reason, the unit was designed to be the easiest to read complete with lights to indicate different states and conditions of the battery.

The unit has a LED display for every condition. It shows the alternator state, indicates the percentage state of the battery and whether the unit is fully charged or not. A LED display is much easier to read than an analog scale.

You should, however, note that this unit works on 12V batteries only.

8. Amprobe BAT-250 Battery Tester

Editor's Rating: (4.6 / 5)

Amprobe BAT-250 Battery Tester

Amprobe is a company that has been in the industry for a long time. They have thus, as a result of the number of years in manufacturing learnt a few tricks here and there and gotten a hang of the technology. They are able to use the knowledge they have to create simple yet highly functional units that consumers will be pleased of and can use. The Amprobe BAT-250, is one of such products.

Amprobe BAT-250 was designed to be a one handed operated battery tester. The display on this unit has also undergone some adjustments to make reading the results easier. The unit also features a side cradle that holds the batteries in place while testing. With these secure placements, you will never get errors in your readings as a result of the movements on and off the contact point.

The scale of this unit is color coded. The green zones signify that the battery is good, yellow zones signify that the battery is low and red that you need to recharge your battery. The unit can be used to test 9V, AAA, C, D, AA and 1.5V Button Type batteries.

7. Ancel BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery Tester

Editor's Rating: (4.5 / 5)

ANCEL BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery Tester

If you are in search of a professional device but one that is efficient, powerful, and compact enough to fit in your pocket, then this is the unit for you. Ancel BA101 features a slim design which is attractive for many. In addition to this compact design, the unit scans way faster and indicates the results fast and almost immediately.

The fact that this unit is easy to use means that even a beginner can make use of the unit. This unit has been designed to work with 12V and is able to give you all the information you need about a car battery from charge, voltage, battery level and cranking power.

Moving on, the unit features a wide testing range of between 100 and 2000 CCA. Even with this wide test range, the unit is more accurate than the competition on the market. The results you get from this unit are based on EN, JIN, DIN, CCA, SSAE, GB, MCA and IEC standards.

In addition to checking on the battery, the unit can be used to check on the alternator as well as starter cranking conditions. Working with this unit you can view results on an LCD display that features a white backlight and has an adjustable contrast. Last but not least, this unit comes with a long cable (3.0 ft.) covered in a thick insulator and 4 buttons with up/down buttons to scroll through the menu provided. There also is a 2-year warranty guarantee.

6. Foxwell BT100 12V Battery Load Tester 100-1100 Cold Cranking Amps Auto Battery Tester

Editor's Rating: (4.3 / 5)

Foxwell BT100 12V Battery Load Tester 100-1100 Cold Cranking Amps Auto Battery Tester

For the best analyzing tool on the market, you should get yourself this one of a kind product. The Foxwell BT100 has been well designed and constructed to meet all your car battery testing needs.

When working with the Foxwell BT100, you will not have to remove the battery from the car. The testing can be done while the battery is still in place. The test ranges for this unit is between 100 and 1100 CCA. Many individuals have fallen in love with the automatic heat compensation that this unit features. With this unique feature, you can use the unit on multiple vehicle types including light duty trucks and passenger cars. Last but also important is that this product is fast and accurate. The unit provides the results in less than 3 seconds.

5. Schumacher BT-100 100 Amp Battery Load Tester

Editor's Rating: (4.7 / 5)

Schumacher BT-100 100 amp Battery Load Tester

Schumacher BT-100 is one of the low costing diagnostic tools there is on the market. Schumacher has been in the car electronic industry for the longest time now and has over the years perfected the craft. The company has earned its place in the industry by providing quality units that yield results. That said, being a car owner or a professional mechanic, the Schumacher BT-100 is one diagnostic tool that you should and must have in your car tools.

Schumacher BT-100 is a 100 amp battery load tester that works wonders with both 12V and 6 V batteries. The unit is designed to provide a 100 amp load test for the 12V and a 50 amp load test for the 6V at a 1000 CCA. When the unit has been hooked up, you will perform the readings with great ease as the needle on the analog scale will shift on the color coded scale.

When the needle lands on the green, you are good to go, on yellow, the battery is low and when it lands on the red parts, you know you should definitely do something for your battery to avoid being inconvenienced. With the unit, you can perform a test load, check on the condition of the battery and the starter motor draw. These are more than sufficient needs of an average home mechanic.

Schumacher also comes with an upgraded version of this unit model. They refer to it as the pro version – the Schumacher PST 200. This new unit differs from the Schumacher BT-100 in that it comes with a LED readout. For this convenience, you will be expected to pay a slightly higher price.

4. Solar BA9 40-1200 CCA Digital Battery and System Tester

Editor's Rating: (4.5 / 5)

SOLAR BA9 40-1200 CCA Digital Battery and System Tester

This is yet another unit from the trusted Clore technologies. The company has been operational for a long time and you can expect nothing but perfection from the unit. This Solar BA9 is perfect for many DIY individuals since the unit guides an individual through the entire process of making a reading. In addition to being easy to use, the unit is also accurate and works with 12V batteries, charging systems and starting systems.

The fact that this unit is compatible with a host of other battery types including gel cell, spiral wound, and AGM batteries is a plus for many who own different cars or even those who are mechanics.

The Solar BA9 features a very wide testing voltage and range of between 7V to 15V and 40 CCA to 1200 CCA. The unit also features an LCD screen that is easy to read whether you are under the sun or in darkness. Last but not least, the unit comes complete with safety features which include reverse polarity as well as over-voltage protection.

3. OTC 3181 130 Amp Heavy-Duty Battery Load Tester

Editor's Rating: (4.4 / 5)

OTC 3181 130 Amp Heavy-Duty Battery Load Tester

Truth be told, heavy duty units are hard to come by. And most of those that are available on the market do not sport complementing features. This OTC 3181 130 is, however, an exception to this seemingly general rule. The product is produced by a leading company in the industry and you can as such depend on the quality that this unit features.

The designers of this heavy duty equipment did justice to the unit no doubt. Despite the fact that this car battery tester was made for heavy duty applications, it was constructed in an ergonomic design - a design that makes holding the unit for several seconds easy and ultimately getting accurate results as well. Speaking of accuracy, you will get your results in less than 10 seconds.

The unit comes complete with clamps to provide a better grip on the top side of the batteries. The clamp cables are rubberized to improve the durability of the product. You will also be pleased to note that the unit comes with an extra-large display with the added functionality of a zero adjust. This adds to the list of features dedicated to helping you getting accurate results with this unit.

The unit can be used on 12V and 6V batteries only. Being a heavy duty unit, the product can provide up to a total of 130 amps which is more than many would need.

2. Solar BA7 100-1200 CCA Electronic Battery and System Tester

Editor's Rating: (4.4 / 5)

SOLAR BA7 100-1200 CCA Electronic Battery and System Tester

You should do your best to test your car with the Solar BA7 from Clore Automotive. With this one of a kind unit, you can fast assess the charging and starting systems of very many different battery types including lead –acid car batteries, gel cell batteries, AGM batteries and others. The Solar BA7 has been designed to be compact enough to fit in a pocket and has an improved and wider working voltage range of between 7V-15V. In addition, you can test any of these batteries that have been rated anything between 100 CCA and 1200 CCA

The fact that this unit is pocket sized is the areas why many professionals prefer this unit. You can have it while on the field at all times. Unlike with other car battery testers, the Solar BA7 comes complete with a guide to take you through all the steps of testing battery. To keep you safe, the unit features over-voltage protection and a reverse polarity that has been built inside the unit. Overall, this unit measures 0.6 pounds and has the backing of a one-year limited warranty.

1. Motopower MP0514A 12V Digital Battery Tester

Editor's Rating: (4.5 / 5)

MOTOPOWER MP0514A 12V Digital Battery Tester

It is recommended time and time again that you get a unit that is a reputable brand on the market, which is all fine. This goes for all projects inclusive of car battery testers. Motopower may not be a car battery tester that is in the mouths and mouths of many, but it does give many other top grossing units a run for their money with the features that the unit comes with.

The very first thing that you will notice with the Motopower MP0514A is the fact that the unit has been designed to be a digital battery tester. Yes, there are analog color coded scales, LED indicators, and now the best of the best, digital displays. In addition to the digital display however, the unit comes with LED indication that shows the condition of your battery.

That said, the unit works with a test range of between 4-20V. Anything lower or higher will not provide an actual reading but rather, this unit will display either Lo or Hi for below 4V and higher than 20V respectively.

With a digital display, you can be sure that the unit has high accuracy. The figures on the display are four characters. The display makes reading the tester easy as well as increase the accuracy of a unit. To improve the safety protection of the units, you will be pleased to note the fact that the product features short circuit, reverse polarity, and general overload protection.


Car battery testers usually are accurate. However, there are some models that tend to offer more than others do. Some companies and brands that go out of their way to provide the very best there is. While you might want to get the richest unit in terms of features, do note that the price you expect to pay will be higher. And if you are working on a budget, you cannot have that. That said, to better balance between the price, features, and brand, consider the above-reviewed units first.

  • April 5, 2017
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