Car Battery Testers

car battery testerFor varied reasons, we want to know the state of our car batteries from time to time. A car battery tester will do this work for you accurately. For maintenance periodic battery checks, or to check if you need a battery change, you can make use of a car battery tester for clarity. This device will give you accurate readings depending on your battery type. Some of them have a range, many of them only work on 12-volt batteries and some work on both 6vlt and 12-volt batteries. Some work on some particular types of batteries like solar batteries, gel batteries, and AGM batteries. As a professional automobile repair person, you will need this device to check all battery and alternator related issues to diagnose the problem correctly and advice or repair as needed.

What to pay attention to when purchasing a car battery tester

Before choosing the right type of car battery tester suited for your particular needs you should consider some aspects:

  • Price: car battery testers cost anything from under $10 to well over $100. If you will be using it on one vehicle or a set of vehicles or appliances with a 6volts or 12 volts battery you will not need the more expensive models.
  • Functions: how accurate do you need your car battery tester to be and how often will you be using it? Some of them have more in-depth and complicate readings for professionals while others are straightforward for.
  • Equipment: does the car battery tester you are choosing come with the right fixtures for storage? Even though they can be portable enough to fit anywhere some have handles and bracket for cable hanging and can be stored on the wall. Your preference of storage will affect this decision.
  • Dimensions: almost all car battery chargers are made small and compact for easy storage, carrying around and repeated use. They are not heavy devices so the model you choose would most likely be easy to handle.
  • Ease of use: if you are a layman you should go for the models that have step by step instructions you can follow to use the car battery tester correctly.

Best car battery testers

Top 8 – Cartman 12V Car Battery & Alternator Tester:

battery and alternator tester
Cartman 12V Car Battery & Alternator Tester – Test Battery Condition & Alternator Charging (LED indication)

This car battery tester checks the state of the alternator and battery before and after charging. It also displays results of the check before the charging started and overload display. This car battery tester is limited to 12-volt batteries alone. It will not work on other types of batteries. The LED display shows the condition during charge. The alternator check can accelerate the rotations per minute of the engine by up to 2,000 rpm when the green light is on. The charging circuit is okay. The battery check indicates the status of current charging of the battery. When the green light is on it means that the charging is complete. This car battery tester is small and portable. It is also amongst the cheapest car battery testers with a price of under $10. If you have a 12-volt battery and you want to be certain of the status of the battery for a good price, this device is the right answer.

pros
Affordable Price
LED Display
Easy to Read & Keep
cons
Poor Instructions

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Top 7 – Solar BA7 100-1200 CCA Electronic Battery and System Tester

solar battery tester
SOLAR BA7 100-1200 CCA Electronic Battery and System Tester

This car battery tester gives a quick assessment of your battery after checking starting and charging systems. It gives an in-depth result of this test in both pass/fail and numerical status. The four digit LED display will show these results. It operates on ranges of batteries from 7 volts to 15 volts. It can test batteries between 100 cold cranking amps and 1200 cold cranking amps. The different range of batteries outside the voltage and CCA are lead/acid, AGM, spiral wound, deep cell, and gel cell batteries. You have to first choose the type of battery that you want to test before connecting the clamps. This is a pocket-sized device for testing a car battery weighs 0.6 pounds. You can take it with you on the go. It is simple to use and has the guiding system to help all users follow and use with ease. It has over-voltage protection and built-in reverse polarity security.

pros
Affordable Price
Affordable Price
cons
Poor Instructions

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Top 6 – OTC 3181 130Amp Heavy-Duty Battery Load Tester

digital battery load tester
OTC 3181 130 Amp Heavy-Duty Battery Load Tester

This car battery load tester is heavy duty and ergonomically designed to give reliable results in seconds. This device gives 130 amp load which is high and award-winning in the industry. The specially designed clamps are made for a positive grip on top and side post batteries. The display is wide and very easy to read. It has a 0- 16 volts range and it works well for testing 6 volt and 12-volt batteries. This device is not only compact it can also be stored on the wall by use of the back brackets. It can alternatively, be stored in a toolbox. The entire device weighs 1 pound making it easy to carry and handle. The device costs under $50 and works very well to test the state of that battery accurately and quickly to know if the battery is okay or if there is a problem with the battery or the alternator.

pros
Easу to Use and Store
Accurate Analysis
Good Price
cons
None

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Top 5 – Solar BA9 40-1200 CCA Digital Battery and System Tester

solar ba9
Solar BA9 40-1200 CCA Digital Battery and System Tester

This car battery tester tests 12-volt batteries with a 40-1,200 CCA. It can test four different types of batteries: conventional flooded acid, AGM spiral wound, AGM flat plate and gel cell batteries. This car battery tester can test charged batteries as well as discharged batteries that are down to 7 volts. It has reversed polarity security feature to protect users against accident that might occur if the device is attempted to be used in reversed polarity. It also has protection from over-voltage also to avoid accidents. It has a wide LCD screen that is easy to read in low and good lighting conditions because it is backlit. This car battery tester will work on all cars with a 12-volt battery. It is small enough to fit inside your toolbox and even your pocket for easy movement. The device will prompt you on the testing sequence from beginning to end of the process making it an easy to use a device.

pros
Easу to Use and Store
Safety Features Include Reverse Polarity and Over-Voltage Protection
Affordable Price
cons
None

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Top 4 – Schumacher BT-100 100Amp Battery Load Tester

12 volt battery tester
Schumacher BT-100 100Amp Battery Load Tester

This car battery load tester can be used every day to test 6 volt and 12-volt batteries. It can perform 100 amp load test on 12-volt batteries and 50 amp load test on 6-volt batteries. This device can test a car battery condition, the load, starter motor draw, and complete charging system diagnosis. The battery clamps are special super grip battery clamps. The display cannot be tampered with and is clear and bold enough to interpret results correctly. The rocker switch is located in front making it easy to reach ant to use. The clamps have brackets to hang on either side of the car battery testing device. It points out specific problems of a battery like other car battery testers will not, giving an in-depth description and analysis of the situation. You can test your own battery at home without needing to visit the mechanic. If you follow the instructions as given on the screen you can do it simply and quickly.

 

pros
Tests 6 and 12 Volt Batteries
Comes With Sturdy Steel Case
Great Price
cons
Thin Battery Clamps

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Top 3 – good- Digital Battery Analyzer from TNM

cen tech battery charger
Digital Battery Analyzer from TNM by Cen-Tech

This digital battery tester for cars will examine the present state of your automotive battery and give accurate readings. The battery analyzer is small and easy to use. It has a large LCD screen for clearly displaying diagnostic information. This screen can be seen clearly in all lighting conditions because it is backlit. It can adequately check the overall condition of the battery, battery voltage, cold cranking amps (CCA), and also resistance. This information is relayed on the wide, backlit LCD screen for clear information passing. This device does not require a power source because it uses the battery of your car to draw power for the exercise needed. You, therefore, do not need to worry about external batteries or charging the device. Repeated use of the car battery tester on one or multiple batteries will not damage the battery and the device itself will work well too. Purchase of this car battery tester comes with a pair of rubber gloves for use around batteries to protect the user from electrical surges.

pros
Easy to use and Store
Compact Design
Large LCD Screen
cons
Pricey

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Top 2 – better – Motopower MP0514A 12V Digital Battery Tester Voltmeter and Charging System Analyzer with LCD display and LED Indications:

Motopower MP0514A 12V Digital Battery Tester Voltmeter and Charging System Analyzer with LCD display and LED Indications
Motopower MP0514A 12V Digital Battery Tester Voltmeter and Charging System Analyzer with LCD display and LED Indications

This device can perform car battery voltage test for all types of 12-volt batteries. The testing range is from 4 volts to 20 volts DC. The LCD display shows up to four characters at a time very bold and clearly on the small display screen. The display will read LO if the voltage is below 4 volts and it will read HI if the voltage is above 20 volts. This car battery tester has 4 LED light indicators to show battery status. It will test car battery level and show full battery shows green, Medium is yellow, the low battery will be indicated by a red light and a completely empty battery will show white. The device has a rubber paint body and two alligator clamps for battery testing. It has reverse polarity safety protection as well as short circuit and overload protection.

pros
30Amp Alligator Clamps
Good Price
Easy to Use
cons
Short Wires

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Top 1 – best- Foxwell BT705 12V and 24V Car Battery Load Tester and Charging System Analyzer

Foxwell BT705 12V and 24V Car Battery Load Tester and Charging System Analyzer
Foxwell BT705 12V and 24V Car Battery Load Tester and Charging System Analyzer

This is one of the best devices for testing a car battery. It can be used on multiple vehicles including regular cars and trucks. It can test all batteries rated from 100 up to 2000 CCA. There is no need to remove the battery from the car before testing this device can work on the battery while it is still connected to the vehicle. There are different languages available on this device including German, English, Russian Spanish, French, Dutch and Italian. The menu can be operated in any f those languages. It has the option to be hooked to a Bluetooth printer so that test results are printed out to hard copy for storage and reference. It performs ripple voltage test for instinctive fault test. It keeps operation simple and safe for all users as it does not give out, spark, light or heat and does not discharge the battery. It is also quick and shows tests within 3 seconds. It detects bad cells. It can analyze without disabling the ignition, compensates accordingly for different temperatures and can test 12-volt and 24-volt batteries. It can test AGM flat plate, AGM spiral, regular and gel types of battery. The backlit display is easy to read and the device is generally easy to use.

pros
Easy to Use
Comes With a Nice Plastic Case
Shows Plenty of Information
cons
Pricey

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How to Test a Car Battery

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