car battery tester

Car Battery Tester: How to Choose the Right One

When it comes to your car, you don’t want to take any chances. That’s why it’s important to have a reliable car battery tester on hand. But with all of the different models available on the market, how do you know which one is right for you?

In this article, we’ll walk you through the best car battery tester and help you choose the one that’s best suited for your needs. We’ll also provide some tips on how to use your battery tester and what to do if your car battery fails. So whether you’re a beginner or a seasoned car mechanic, read on for the information you need to make an informed decision about your car battery.

What Is a Car Battery Tester?

A car battery tester is a device used to test the condition of a car battery. It’s a simple, handheld device that plugs into the battery terminals and provides a reading of the battery’s condition.

Battery testers come in two basic varieties: those that test the battery’s voltage and those that test the battery’s cranking amps. The cranking amps test is more accurate, so it’s the one you want to look for when shopping for a battery tester.

If you’re not sure which type of tester to buy, or if you’re not sure whether your car battery is in good condition, consult your vehicle’s owner’s manual. It will tell you which type of tester you need and how to use it.

How to Choose the Right Car Battery Tester

When looking for the best car battery tester, there are a few things you need to keep in mind. The most important factor is choosing the right tester for your vehicle. Not all testers are created equal, and not all will work with every type of battery.

Another thing to consider is the features of the tester. Some battery testers come with simple features, while others have more bells and whistles. Decide which features are important to you and then find a tester that offers those features.

Finally, price is always a consideration. You don’t want to spend too much on a battery tester, but you also don’t want to skimp on quality. Find the right balance between price and features to find the best car battery tester for your needs.

What to Look for in a Car Battery Tester

If you’re in the market for a car battery tester, there are a few things to look for. First, make sure that the tester is capable of testing the battery in your make and model of car. Different cars have different kinds of batteries, and not all testers can handle them all.

Second, read reviews from other customers to make sure that the tester you’re considering has good accuracy and reliability. It should give you real-time information about your battery’s charge level and other important parameters.

Finally, think about portability. If you need to be able to take your tester with you when you’re on the go, then look for a compact model that will fit easily in your glove compartment or tool kit.

Best Car Battery Testers Review

The list below contains the best car battery tester on the market today. Check them out! 

  1. Schumacher BT-100 100A, 12V Battery Load Tester

[amazon box=B000AMBOI0]

The Schumacher BT-100 100A, 12V Battery Load Tester is a handy tool that can test both 6 and 12-volt batteries. It can test batteries up to 100 amperes. And has a built-in LED light which makes it easy to read results even in dark conditions. The unit’s measurements are displayed on a digital screen so you won’t have to rely on your eyesight alone. Making this tool ideal for anyone who wants accurate information about their car battery without having to worry about reading gauges. Or using complicated tools.

The BT100 also comes with several safety features. Such as overcharge protection (OCP), rapid charging current limit (RCLC) and overvoltage protection (OVP). These safeguards help prevent damage from occurring when testing rechargeable batteries. All while they’re still connected in series or parallel circuits. Which means they’ll be safe even if there’s something wrong with your car’s electrical system!

  1. Extech CT20 Battery Tester

[amazon box=B000LYTTRK]

The list of the best car battery tester will not be complete without mentioning the Extech CT20 Battery Tester. This is one of the most popular battery testers on the market today. It works with all types of batteries and can test either 6V or 12V batteries. Ideal for testing your car’s battery as well as other vehicles.

The Extech CT20 Battery Tester also features a built-in current/voltage meter that displays both values in exact increments. So you can easily see how much charge remains in your vehicle’s starting battery. This tool will also tell you how long it takes to charge a discharged battery before they reach their full capacity again. Ideal if you have ever had problems with dead batteries. Additionally, this device has an alarm that sounds when there are issues with its performance. This way users know exactly what needs to be done right away before things get worse! 

  1. Extech CT70 LED Load Tester 12 Volt

[amazon box=B0058ELNFY]

Extech CT70 LED Load Tester 12 Volt is a great battery tester. It can test 6 and 12 volt batteries, which makes it perfect for testing your car’s starting battery. The built-in flashlight allows you to see more clearly while checking the condition of your battery, as well as allowing you to identify any problems with it before they become too serious.

The LCD display also displays important information such as voltage level, amperage draw, time remaining in its life cycle (life), rating level (RV), state of charge percentage (SOC), temperature range measurement unit (°F) – however only if selected by the user via an option menu system located on top right corner near speaker button; 

This feature makes sense because sometimes we don’t want our customers knowing how much electricity we’re using or what kind of power source we’re using so this feature could come handy especially when working on bigger projects like trucks where there are multiple batteries being used simultaneously which means having multiple testers would be necessary but having one single device does make sense since there may not be enough space available inside trucks’ cabins/cabins/cabits etc..

  1. FOXWELL BT705 Automotive 12V 100-2000 CCA Battery Load Tester

[amazon box=B09JWH81TN]

The BT705 is a great battery tester for anyone who wants to test their car or motorcycle battery. This model can test the voltage, current, and resistance of a battery in order to determine if it’s good or bad. The device also measures its ability to deliver power to starter motors—a useful tool for determining whether or not your vehicle will start on its own after being parked for awhile. The BT705 comes with several features that make it ideal for testing batteries:

  • Measuring resistance across all terminals at once
  • Checking each individual cell’s capacity (CCA)* Testing life expectancy of each cell by measuring depth of discharge (DOD)
  1. Ancel BST200 Smart Battery Tester

[amazon box=B08C9RBQR8]

You can use this smart battery tester to check the voltage, amperage and resistance of a motorcycle, scooter, ATV or marine battery. You can also test batteries for cars, trucks and RVs. It’s compatible with car batteries up to 12 volts so it will work on most vehicles. The BST200 Smart Battery Tester can also be used on lawn mowers and other small engines.

  1. FLIR VP50 Non-Contact Voltage Detector with Flashlight and Laser Pointer

[amazon box=B089YYMP8F]

The FLIR VP50 works on 12V and 24V batteries. It can test for dead batteries, short circuits, bad cables, bad grounds and more. This tool can also help check fuses or switches in your car’s electrical system. It has an LED light that projects its image onto the battery so you can see if it is good or not without having to remove it from your vehicle.

The FLIR VP50 Non-Contact Voltage Detector with Flashlight and Laser Pointer has two modes: automatic and manual. The automatic mode will detect voltage levels within 2% accuracy whereas manual mode requires only 0% accuracy when testing new batteries or those under 20 years old (for older vehicles). It definitely deserves the title of the best car battery tester. 

  1. NOCO GENIUS2, 2 Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger

[amazon box=B07W6B987F]

The NOCO Genius2, 2 Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger and Battery Desulfator with Temperature Compensation is a smart charger for all types of batteries. It allows you to charge your battery at the optimal voltage level for fast charging and prevents overcharging. The automatic mode switches between maintenance mode (for everyday charging) and charging mode (for heavy-duty applications).

The smart charger has many features that make it easy to use:

  • The display shows the remaining capacity in percent or percentage of full charge.
  • You can select between three different charge rates: half-charge rate (1/2), full charge rate (3/4) or trickle charge rate (5%/10%). The user interface is also available in four languages – English; German; French; Italian
  1. VONOTO BT100 Car Battery Tester for 12V Cars & Trucks

The VONOTO BT100 is a compact, 4-button device that measures battery voltage and capacity in both 12V and 6V. It can test batteries from 50Ah to 1000Ah, making it an ideal tool for vehicles that use more than one battery pack. The backlit display features large digits for easy reading and offers four different modes (12V, 6V, 200Ah to 1000A), as well as a charging status indicator light.

  1. VONOTO BT100 Car Battery Tester for 6V & 12V Cars & Trucks with USB Port Connection

[amazon box=B07Z67MMGC]

The VONOTO BT100 is a small and easy to use battery tester. It has a USB port that allows you to charge your phone or other devices while testing the battery. Unlike other models, this one works on both 6V and 12V cars, making it more universal than others on the market today.

The screen is easy to read and displays all of the information you need when testing your car’s battery. If you’re looking for something compact but still effective in checking out your vehicle’s electrical system, this may be the best choice for you!

  1. OTC (5609) Electronic Battery and System Tester

[amazon box=B074FMSKJ6]

The last on our list of the best battery load tester is the OTC (5609). This battery tester helps test your car’s charging system and starter motor. It also tests the lights, horn, gauges and voltmeter; it will test the alternator, voltage meter and battery. The OTC Electronic Battery Tester is available at most auto parts stores or online retailers.

Best Car Battery Tester – Frequently Asked Questions 

You may still have some questions about finding the right car battery tester for your vehicle. Here are some of the most common inquiries about using a car battery tester:

What type of car battery tester should I use? 

It really depends on your vehicle and what features you’re looking for in a tester. There are many types out there, from manual testers to handheld digital testers to more sophisticated models that come with advanced features like memory card slots and removable probes.

How often should I use a car battery tester?

Most manufacturers recommend testing your car battery two or three times per year, or whenever you suspect there might be an issue with the battery. This will ensure your vehicle is running safely and efficiently.

Where can I find a good quality car battery tester?

The best place to look is online, as there are many sites that specialize in selling high quality testers at reasonable prices. Just make sure you read through reviews before making a purchase, so you know you’re getting the best product for your needs.


When it comes to choosing the best car battery tester, it’s important to consider the needs of your vehicle. Not all testers are equal, some better suited for certain types of vehicles than others.

By taking the time to consider the needs of your car and selecting the right battery tester, you can be sure that your vehicle is getting the care it needs.

What do you think?

Written by webmaster_kzwort

Best Way to Fix Scratches on Your Car

How To Reduce Car Engine Temperature

How To Reduce Car Engine Temperature