3 Best automotive battery testers and analyzers 2021 [Review]

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Regularly testing your automotive battery is very important because it is the only way to know when to replace it. 

With the best automotive battery tester, you can assess different types of batteries to identify the amount of energy they can store. Also, you can carry out ripple tests, cracking tests, and charging tests.

Monitoring the health of your automotive battery and carrying out maintenance as required to lengthen its service life. 

In this article, I conduct a detailed review of the best auto battery tester with LED Indicator and professional car battery load tester analyzer. But you should also know about the digital car battery alternator tester and the best analog automotive battery load tester

All these are necessary to keep your auto battery in good condition and to avoid unnecessary failures. Keep reading to find out more!

This article brings the information about the best automotive battery testers and analyzers
Read this article to learn more about the best automotive battery testers and analyzers.

Battery tester types

Professional car battery load tester analyzer

Professional car battery load testers help you analyze your battery health status and check car cranking systems and charging systems. These testers and analyzers can test both 12V and 24V battery systems and cover regular flooded, AGM flat plate, AGM spiral, GEL, and deep cycle batteries. 

In general, they have the following features and functions:

  • Wide vehicle coverage. Can test batteries on cars, SUVs, light-duty and heavy-duty trucks.
  • Variable cold-cranking amps settings. The increment between units is one and can be matched with your auto battery rating from 100-2000CCA.
  • Test different types of batteries: regular flooded, AGM flat plate, AGM spiral, and gel.
  • Supports multiple measuring standards: CCA:100-2000, BCI:100-2000, CA:100-2000, MCA:100-2000, JIS:26A17-24SH52, DIN:100-1400, IEC:100-1400, EN:100-2000, and SAE:100-2000.
  • Quick testing and accurate results are displayed within a few seconds and directly detect bad cells.
  • Test both 12V and 24V batteries. KONNWEI KW710 can also test 6V batteries.
  • You do not have to disable the ignition to perform starter analysis
  • Test ripple voltages and check faults
  • Automatic temperature compensation
  • Designed with an LCD screen for easy display of test results.                              

FOXWELL BT705

Rating

Price range: $119-$139

TOPDON BT100

Rating

Price range: $49-$69

KONNWEI KW710

Rating

Price range: $119-$139

Auto Battery Tester with LED Indicator

Auto battery tester with LED indicator consists of affordable tools that allow you to do basic tests on your auto battery. If you are a car owner or a beginner in automotive, these battery testers can be your great companion. They are designed to help you conduct loading tests, check battery health status. Also, these auto battery analyzers can be used to check your alternator status.

Auto battery testers in this group can test and analyze both 12V and 24V batteries and alternators and work on different batteries. You can use them on regular flooded, AGM flat plate, AGM spiral, GEL, and deep cycle batteries. Vehicles covered include forklifts, hybrid cars, SUVs, Pickups, Boats, trucks, RVs, Motorcycles, and travel Trailers.

They are designed with LED indicators instead of an LCD display. A green light shows good health, orange means middle, and red indicates low charge or poor health.

Cartman TL120207

Rating

Price range: $9-$19

OBDMONSTER-410

Rating

Price range: $9-$19

Digital Car Battery Alternator Tester

The difference between a digital car battery and alternator tester and a battery tester with LED indicator is the display unit. These testers have digital screens that display the tested voltages. Additionally, they are equipped with LED indicators so you can take both real-time voltage and battery status readings.

These indicators also support 12V and 24V battery systems and work on cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers, and even golf carts. You can use them to test different types of auto batteries as well.

 MOTOPOWER MP0514A

Rating

Price range: $9-$19

AUTDER AD808

Rating

Price range: $9-$19

Analog automotive battery load tester

Instead of a digital voltage display unit, these testers use an analog type, hence the name. They are designed to test and analyze 6V and 12v batteries, testing up to 1000 CCA. You can use them for a complete charging system diagnosis for auto batteries on small trucks, RVs, motorcycles, ATVs, boats, and lawn tractors.

These handheld analog automotive battery and alternator testers come with heavy-duty alligator clamps to help you hook it to the battery. Once hooked up, you can check battery and alternator health status.

Schumacher BT100

Rating

Price range: $29-$49

OEMTOOLS 24338

Rating

Price range: $19-$39

The above are the major types of automotive battery testers. In the next section, I will go deeper into and compare the best products in the market. Keep reading to know the features and specifications of the best battery and alternator testers you should consider when shopping for one.

Best Professional Car Battery Load Tester Analyzer 

A professional car battery load tester analyzer is recommended for mechanics, car owners, and advanced DIYers. Tools in this group are designed with all functions you need to keep your car battery in good working condition. They can check health status, charging system, and battery load testing.

These professional auto battery/alternator testers and analyzers can work on different battery types and systems, covering 6V, 12V, and 24V. You can use them on cars, SUVs, light-duty trucks, and heavy-duty trucks. In other words, they are designed for any automotive.

Top 3 Professional Car Battery Load Tester Comparison Chart

FOXWELL BT705
FOXWELL BT705
Check Price
TOPDON BT100
TOPDON BT100
Check Price
KONNWEI KW710
KONNWEI KW710
Check Price
Customer Rating
4.7
4.6
4.5
Price range$119-$139$49-$69$119-$139
Testing range100-2000 CCA100-2000 CCA100-2000 CCA
Testing voltage12V/24V12V6/12V/24V

Battery type coverageregular flooded, AGM flat plate, AGM spiral and gelregular-flooded, AGM flat plate, AGM spiral, GEL, EFB and deep cycle batteriesRegular flooded battery, AGM flat plate battery, AGM spiral battery, GEL and EFB battery
Ripple test
Cranking test
Charging test
Alternator decision
Vehicle coveragecars, trucks, RVscars, trucks, RVscars, trucks, RVs

Best Professional Car Battery Load Tester: FOXWELL BT705, TOPDON BT100, or KONNWEI KW710?

Design and specifications

Professional battery and voltage testers and analyzers are designed to meet users’ expectations. Whether you are a mechanic, DIYer, or car owner, you will find these battery testers a handy tool. They are designed with a large LCD screen to display test results on the go. You can also choose them for a testing range of between 100 to 2000 CCA, the largest for all the products we have reviewed.

I have liked them for the following design specifications:

  • Wide testing range of between 100 to 2000 CCA
  • High vehicle coverage, including cars, SUVs, and trucks.
  • Supports all major battery standards: CA, CCA, BCL, MCA, JIS, SAE, EN, DIN, and IEC.
  • Large LCD for easy display and reading of the tested parameters
  • Support all 6-24V batteries
  • Lifetime free update

Most tools in this category have all the above features. But if you are working on a tight budget, I recommend TOPDON BT100. It is affordable and yet packed with many features. What you will miss is that it only works with 12V batteries. Otherwise, it is an excellent tester to use at home or in an auto shop.

TOPDON BT100

Rating

Price range: $49-$69

All the above-listed features can be found in the KONNWEI KW710 Car Battery Tester. However, you will have to go deeper in your pocket for this tester. It is the best choice for professional technicians and advanced DIYers but costs more.

KONNWEI KW710
KONNWEI KW710 Car Battery Tester 6V 12V 24V
4.5
KONNWEI KW710: KONNWEI KW710 is a complete automotive battery tester and analyzer designed with all features a mechanic or advanced DIYer would expect. It works with 6/12/24V battery systems on any vehicle model or brand.

Key features and functions

Professional battery load testers are very accurate and will give you the test results in just seconds. They are equipped with features and functions that make them ideal for testing all battery types on any vehicle sold worldwide. 

They have the following functions:

  • Gives an instant report on battery status – informs you on whether the battery is good, should be recharged, or replaced.
  • Provide instant Capacity Cold Cranking Amps (CCA), DIN, EN, and IEC information relative to battery rating.
  • Displaying internal resistance and battery life
  • Conducting battery test, crank test, and charging test.
  • Recording and replaying data
  • Diagnosing cranking and charging systems
  • Detecting bad cells in the battery
  • Graphing voltage real-time monitoring
  • Ripple testing
  • Test battery in them directly without having to remove it

If you are looking for a versatile auto battery load tester and analyzer, I highly recommend the KONNWEI KW710. Though a bit expensive, it is worth the price because you will find all the features and functions you need. You can test and analyze all the auto systems related to battery charging and discharging. Hence, keeping your battery in good working condition.

KONNWEI KW710

Rating

Price range: $119-$139

Vehicle coverage

Professional battery/alternator load testers and analyzers are designed for all battery types on any vehicle sold across different continents. These testers will give you accurate results regardless of the brand and make. Whether it is a car, SUV, or truck, these tools are compatible.

The supported battery standards include CCA 100-2000, BCI 100-2000, CA 100-2000, MCA 100-2000, JIS 26A17-24SH52, DIN 100-1400, IEC 100-1400, EN 100-2000, and SAE 100-2000.

Once again, I recommend the KONNWEI KW710. You do not have any doubt about vehicle coverage when you buy it.

KONNWEI KW710
KONNWEI KW710 Car Battery Tester 6V 12V 24V
4.5
KONNWEI KW710: KONNWEI KW710 is a complete automotive battery tester and analyzer designed with all features a mechanic or advanced DIYer would expect. It works with 6/12/24V battery systems on any vehicle model or brand.

Weaknesses

Professional automotive battery testers and analyzers are complete tools designed for the purpose. The only weakness is the different features and capabilities of auto battery testers in this group. Apart from the KONNWEI KW710 Car Battery Tester, other tools miss crucial specifications and features. TOPDON BT100 is affordable, yes, but can only work with a testing voltage of 12V.

Best Auto Battery Tester with LED Indicator 

Automotive battery tester with LED indicator is a group of pocket-friendly tools you can rely on to check 12V/24V battery health status. They have three primary buttons: green, orange, and red. When the green light comes on, the battery is healthy, and if it is orange, the battery health is medium. The red-light indicator shows a nearly damaged or damaged battery, which should be recharged or replaced.

Battery testers with LED indicators are ideal for home use because of their limited functions. They are mainly used for batter load testing, battery health monitoring, and battery charging status.

Top 2 auto battery tester with LED indicator comparison chart

Cartman TL120207
Cartman TL120207
Check Price
OBDMONSTER-410
OBDMONSTER-410
Check Price
Customer Rating
4.3
4.2
Price range$09-$19$09-$19
Testing range----
Testing voltage12V12V/24V
Battery type coverageRegular flooded, AGM flat plate, AGM spiral, GEL and deep cycle batteriesRegular flooded, AGM flat plate, AGM spiral, GEL and deep cycle batteries
Ripple test----
Cranking test
Charging test
Alternator decision
Vehicle coverageforklifts, hybrid cars, SUVs, Pickups, Boats, truck, RVs, Motorcycles, travel Trailers and even golf cartsforklifts, hybrid cars, SUVs, Pickups, Boats, truck, RVs, Motorcycles, travel Trailers and even golf carts

Best auto battery tester with LED indicator: Cartman TL120207 or OBDMONSTER BM410?

Design and specifications

The main highlight of these auto battery testers is the LED indicators used for showing different test results. They are handheld devices used for testing 12V or 24V batteries on different car types, brands, and models.

Battery testers with LED indicators are ideal for testing regular flooded, AGM flat plate, AGM spiral, GEL, and deep cycle batteries for vehicles. I also recommend them for home mechanics or beginners who do not need complicated designs. For testing 24V and 12V battery systems, choose OBDMONSTER BM410.

OBDMONSTER BM410
OBDMONSTER BM410 12V 24V Battery and Alternator Tester Automotive
4.2
OBDMONSTER BM410 is an affordable yet versatile auto battery tester used on 12V or 24V battery systems. You can use it for battery and alternator testing for all types of batteries and vehicle brands.

Key features and functions

Battery testers with LED indicators are cheap. As a result, they have limited features and functionalities. You will use them to perform the following tests:

  • Alternator state check
  • Battery state check
  • Before charge and overload check.
  • Charger check
  • Cranking check

OBDMONSTER BM410 is the favorite because of its other features not available on the Cartman TL120207 auto battery tester. It has a toggle button that allows you to switch between battery testing and load testing. Also, the automatic battery system detection makes testing both 12V or 24V batteries. It is better than the Cartman TL120207 battery tester in many ways yet affordable.

OBDMONSTER BM410

epsoak epsom salt 5 lb

Rating

Price range: $9-$19

Vehicle coverage

Both Cartman TL120207 and OBDMONSTER BM410 have a high vehicle coverage. You can use them for testing batteries on forklifts, hybrid cars, SUVs, Pickups, Boats, trucks, RVs, Motorcycles, Travel Trailers, and golf carts. All brands and models are also supported. If you need a more versatile tool, then go for OBDMONSTER BM410.

Cartman TL120207

epsoak epsom salt 5 lb

Rating

Price range: $9-$19

OBDMONSTER BM410

Rating

Price range: $9-$19

Weaknesses

These are simple tools without any advanced functions. You will not read any battery voltage or current during any tests since they do not have any display screen. Alternator testing is also not accurate. If you are an auto technician or DIYer, you should look for better tools included in this review.

Best Digital Car Battery Alternator Tester

Digital car battery and alternator testers use both LED indicators and digital display screens for displaying the test results. They provide quick readings to help you determine the battery and alternator status. Depending on the particular tester you choose, you can check battery health on either 12V or 24V battery systems.

Most digital car battery testers are compact and lightweight. They are also relatively affordable compared to analog testers or professional testers.

Top 2 digital car battery alternator tester comparison chart 

MOTOPOWER MP0514A
MOTOPOWER MP0514A
Check Price
AUTDER AD808
AUTDER AD808
Check Price
Customer Rating
4.5
4.4
Price range$09-$19$09-$19
Testing range----
Testing voltage12V12V/24V
Battery type coverageRegular flooded, AGM flat plate, AGM spiral, and gel batteriesRegular flooded, AGM flat plate, AGM spiral, and gel batteries
Ripple test----
Cranking test
Charging test
Alternator decision
Vehicle coveragecars, trucks, RVscars, trucks, RVs

Best digital car battery alternator tester: MOTOPOWER MP0514A or AUTDER AD808?

Design and specifications

These digital automotive battery sensors are designed with durable rubber paint bodies and other features that make them ideal for the purpose.

  • 4-digit LCD display for showing real-time voltage readings
  • LED indicators for displaying the status of different parameters under test
  • Alligator clamps and cables for easy hooking to the battery

Additionally, the AUTDER AD808 auto battery tester has a toggle switch for changing between 12V and 24V batteries. Both AUTDER AD808 and MOTOPOWER MP0514A have over-voltage and reverse-voltage protection. That ensures safety when in use. Between the two reliable digital auto battery testers, I recommend AUTDER AD808 because it works on both 12V and 24V battery systems.

AUTDER AD808

epsoak epsom salt 5 lb

Rating

Price range: $9-$19

Key features and functions

As opposed to the professional automotive battery and alternator battery testers, this category has relatively cheap products with basic functions. Their features and functions include the following:

  • 4-digit display screen for showing battery voltage reading with an accuracy of 0.01V.
  • LED indicators to show different battery statuses being tested and the status of the alternator.
  • Reverse-hookup and Over-voltage protection, making it safe and easy to use.
  • Plug and use auto battery testers – it is ready right from the box.
  • Offers quick readings to know if an auto battery requires a jump start or a replacement.

If you are looking for an on-budget auto battery tester with basic functions, I recommend AUTDER AD808. This tool is easy to use, affordable, and has intuitive features that make it the perfect battery tester.

AUTDER AD808
AUTDER AD808 12V/24V Digital Car Battery Tester
4.4
You can analyze the alternator charging system and battery testing to determine if the battery requires replacement or jump-starting. With AUTDER AD808, you can accurately test both 24V and 12V battery systems.

Vehicle coverage

Digital automotive battery tester works on all 12 Volt and 24 Volt batteries for vehicles, cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers, and even golf carts. Again, AUTDER AD808 is preferred because it supports both 12V and 24V battery testing. So, if you own a truck with a 24V battery system, it is the ideal choice.

Weaknesses

MOTOPOWER MP0514A digital auto battery tester comes with short alligator clamp wires, making it difficult for use on batteries with leads wide apart.

Best Analog Automotive Battery Load Tester 

Analog auto battery load testers are designed with an analog voltmeter for real-time voltage reading. With these tools, you can perform both voltage and alternator testing. You will know the health and charging status of your battery. Also, you can determine whether your car’s alternator is charging the battery.

Analog automotive battery load tester is compatible with both 6V and 12V battery systems on cars, light-duty trucks, and RVs. These handheld devices are designed to measure up to 1,000 CCA.

Top 2 analog automotive battery load tester comparison chart

Schumacher BT100
Schumacher BT100
Check Price
OEMTOOLS 24338
OEMTOOLS 24338
Check Price
Customer Rating
4.6
4.6
Price range$29-$49$19-$39
Testing range0 to 1000 CCA0 to 1000 CCA
Testing voltage6V/12V6V/12V
Battery type coverageRegular flooded, AGM flat plate, AGM spiral and gel batteriesRegular flooded, AGM flat plate, AGM spiral and gel batteries
Ripple test----
Cranking test
Charging test
Alternator decision
Vehicle coverageCars, RVs, light-duty tracksCars, light-duty trucks and RVs

Best analog automotive battery load tester: Schumacher BT100 or OEMTOOLS 24338?

Design and specifications

Analog auto battery and alternator testers have the following specifications:

  • Easy to use, shock-proof meter
  • Heavy-duty color-coded alligator clamps
  • Well ventilated baked enamel steel case
  • Top-mounted rocker switch for convenient operation
  • Tests 6V and 12V batteries up to 1,000 CCA
  • Rubber-coated carrying handle for comfort and safety

Both Schumacher BT100 and OEMTOOLS 24338 auto battery testers have the above design specifications. But I would recommend Schumacher BT100 because of its robust build and ability to perform up to 100A load test on 12-V batteries.

Schumacher BT100

epsoak epsom salt 5 lb

Rating

Price range: $29-$49

Key features and functions

Analog load testers can be used to perform the following test functions:

  • Crank testing
  • Charging testing
  • Alternator health testing
  • Checking battery condition

Vehicle coverage

These are versatile battery load testers that can be used on automotive, golf carts, ATVs, etc. You can depend on them if you have a car, SUV, or light-duty truck. You can choose between OEMTOOLS 24338 and Schumacher BT100 because they both have the same vehicle coverage.

Weaknesses

Schumacher BT100 tends to overheat and might emit smoke when used for the first time.

Schumacher BT100
Schumacher Battery Load Tester and Voltmeter - 100 Amp
4.6
Schumacher BT100: A battery load tester for complete system diagnosis for batteries in cars, RVs, and small trucks. Its intuitive user interface makes it easy to use and displays accurate readings on the status of your car battery and alternator.

Final Thoughts

You don’t have to book an appointment with an auto technician just for battery and alternator testing. Simply buy any of the tools reviewed in this article and conveniently test your car battery at home. Do not allow your vehicle’s battery to be overcharged or undercharged with a faulty alternator. Battery and alternator testers are all you need.

We reviewed different automotive testing tools, and I recommend the following products:

Professional car battery load tester analyzer: TOPDON BT100

epsoak epsom salt 5 lb

Rating

Price range: $49-$69

Auto battery tester with LED indicator: OBDMONSTER BM410

Rating

Price range: $9-$19

Digital car battery alternator tester: AUTDER AD808

epsoak epsom salt 5 lb

Rating

Price range: $9-$19

Analog automotive battery load tester: Schumacher BT100

Rating

Price range: $29-$49

Read more: Popular Battery Testers User Manuals for Free Download

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