Best Car Battery Testers

26 minutes read

One of the overlooked aspects of vehicle maintenance is making sure your battery is in tip-top shape.

Having your car’s battery unexpectedly die can really throw a monkey wrench into your day. If nobody is around to jump your vehicle or you do not have a set of jumper cables, that means calling a tow truck or triple-A for help, and in the case of inclement weather, or your work is 20 or 30 miles out of town, perhaps waiting an hour or more for help.

A car battery tester is an easy and cost-efficient method of making sure your battery is up to the challenges you place on it.

Battery testers are relatively cheap, easy to use, and a great way to avoid a tow truck or getting stuck.

Top Rated Car Battery Testers of April 2021

1
Car Battery Tester 12V Load Tester, TOPDON BT100 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht

Rating is 5 out of 5

Car Battery Tester 12V Load Tester, TOPDON BT100 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht

  • Car Battery Tester Automotive➤ Car running for years but no idea about car battery status? TOPDON BT100 battery tester answers you after an overall analysis of batteries health by checking its voltage charge, internal resistance and aging status. This battery tester runs cranking and charging system test and alternator charging.
  • 12V Battery Load Tester➤ Does it work on your car? TOPDON BT100 automotive battery tester works on 12 volt lead-acid batteries including regular flooded, AGM flat plate, AGM spiral, GEL and EFB batteries with the test range (100-2000 CCA). Compatible with cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers and even golf carts.
  • Fast & Accurate ➤ Want to buy a used car but worry about a damaged battery? TOPDON BT100 can test. It gives you, just in seconds, accurate results to avoid a lemon.
2
KONNWEI KW208 12V Car Battery Tester, 100-2000 CCA Load Tester Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Marine Motorcycle SUV Boat

Rating is 4.9 out of 5

KONNWEI KW208 12V Car Battery Tester, 100-2000 CCA Load Tester Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Marine Motorcycle SUV Boat

  • 【Automotive Car Battery Tester】 As one of the most cost-effective product of KONNWEI, KW208 can test all 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. Provide overall analysis of batteries’ health and help you know its status in advance before it dies. KW208 battery tester support cranking and charging system test also alternator and starter test.
  • 【Display Overall Batteries Data】KW208 12V Battery Load Tester gives you the basic battery parameters such as voltage, internal resistance, cold cranking amp, battery health and charge status. Additionally, battery cca tester will also show you professional advice whether to replace or charge the battery.
  • 【 >99.5% Accuracy】Thanks to KW208’s powerful STM-32 chip, it provides more than 99.5% precise testing reports within milliseconds(testing results refer to US Midtronics), greatly improved the testing speed compared to other battery testers.
  • 【Plug and Play】 KW208 Battery load analyzer allows you to test batteries both in-vehicle and out-of-vehicle, and even test dead batteries. Just connect the tester’s clips with battery then it will turn on and ready to test and analyze battery. It’s that easy!
3
FOXWELL Car Battery Tester Analyzer BT100 Pro 12V Automotive 100-1100CCA Detect Health Faults for Regular Flooded Agm Flat Plate Spiral Gel Batteries

Rating is 4.8 out of 5

FOXWELL Car Battery Tester Analyzer BT100 Pro 12V Automotive 100-1100CCA Detect Health Faults for Regular Flooded Agm Flat Plate Spiral Gel Batteries

  • 🔋 A MUST FOR HOME ➤ This 12 volt battery analyzer offers you an easy way to analyze the battery cell health status, view battery charging status and detect faults and bad cells without stepping out and paying too much.
  • 🏆 BATTERY CAN BE TESTED ➤ Auto battery testers allow you to check battery condition of 12V 100-1100 CCA regular flooded, AGM flat plate, AGM spiral, as well as GEL batteries, and give you an accurate test result in 3 seconds.
  • 🔋 USE IT AT EASE ➤ Large backlit LCD display, clear arranged keypad and menu-driven operation make the act intelligent battery tester much easier to operate. Powers itself off the battery, especially born for the beginners. The 12v car battery tester can be used directly out of box and you don't have to do update.
4
ANCEL BST200 Car Battery Tester 12V 100-1100 CCA Automotive Bad Cell Load Test Tool Digital Analyzer Tester for Car Truck Motorcycle SUV Boat and More

Rating is 4.7 out of 5

ANCEL BST200 Car Battery Tester 12V 100-1100 CCA Automotive Bad Cell Load Test Tool Digital Analyzer Tester for Car Truck Motorcycle SUV Boat and More

  • ✔ Works on automotive 12V 100 - 1100 CCA lead-acid batteries, including regular flooded, AGM flat plate, AGM spiral, and GEL batteries for cars, SUV, motorcycle, light truck, and more
  • ✔ Gives you an accurate result in merely seconds, such as CCA value, CCA rating, voltage, internal resistance, state of health, and state of charge, based on the rating standard of CCA, CA, MCA, JIS, DIN, IEC, EN and SAE
  • ✔ Two test models “OUT OF VEHICLE” and “IN VEHICLE” allow you to test the battery whether it’s inside or separate from the vehicle, provide you with more accurate test data. Also, no internal battery required and get power directly from the detected battery
  • ✔ Small compact design, a large backlight LCD, clear arranged keypad (UP, DOWN, ESC, ENTER buttons), and menu-driven operation make it easier to operate. Even a beginner can use this battery tester at ease
5
FOXWELL BT705 12V 24V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Test Scan Tool Digital Battery Analyzer for Vehicles and Heavy Duty Trucks

Rating is 4.6 out of 5

FOXWELL BT705 12V 24V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Test Scan Tool Digital Battery Analyzer for Vehicles and Heavy Duty Trucks

  • 【BATTERY ANALYZER】 BT705 battery tester designed for 12 V or 24 V batteries with a capacity of 100 to 2000 CCA, such as regular flooded, AGM flat plate, AGM spiral, GEL and deep cycle batteries, 12V & 24V starting and charging system. The test results based on CCA, EN, CA, MCA, DIN, SAE, JIS and IEC Standards.
  • 【CAR BATTERIES DOCTOR】 Adopt the advanced conductance testing technology, the premium quality copper clip and wire maintain a stable communication all throughout the testing process to provide you with reliable results! Accurately and quickly measure the actual cold cranking amps, capability of the vehicle starting battery and healthy state of the battery itself.
  • 【CRANKING AND CHARGING SYSTEM TEST】 BT705 tester displays the decision on the starter system, cranking voltage, and cranking time in milliseconds. Also, the battery diagnostic tool can check 12V or 24V charging system to make sure the output voltage of the generator is in a regular condition, the rectifier diode works fine and the charging current is a normal status.
  • 【WORTH TO OWN】 Winter is coming and you need to know how much life your batteries have left. BT705 can accurate reading of battery health status in just 2.5 seconds in its large and easy to use backlit LCD display, help you diagnose and resolve car health problems timely without disconnecting the battery or using a separate battery.
6
MOTOPOWER MP0515A 12V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Test Scan Tool Digital Battery Alternator Analyzer

Rating is 4.5 out of 5

MOTOPOWER MP0515A 12V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Test Scan Tool Digital Battery Alternator Analyzer

  • 【A MUST TOOL IN YOUR GARAGE】- With the up-to-date testing technology, it provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. All you need to do is just connect and play. Save your time and bucks.
  • 【BATTERY HEALTH CHECK】- Applied with the latest testing algorithm, the tester will scan the battery and get the results in seconds, including the State of Health, the State of Charge, the Internal Resistance and the Testing Conclusion (Poor, Good, Great). All types of 12V 100-2000CCA lead acid batteries can be tested, including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL and EFB. The Battery Standards includes CCA, BCI, CA, MCA, JIS, DIN, SAE etc.
  • 【CRANKING AND CHARGING SYSTEM TEST】- Test the alternator's starting voltage when cranking the engine to see if it's weak or in normal condition. Check the alternator's continuous output when the engine is running so as to see if the alternator provides proper power to the battery and the electrical system. You can view all the testing details in graphs on the screen, including all the slight ripples in milliseconds.
  • 【Real-time Wave View & Data Print】- When you need to know more details about your battery or alternator performance when working, you may use the Wave view function to monitor the real-time output curve. It gives you all the detailed changes view of the output. The testing results can be stored and reviewed on the screen directly. To print the data, just connect the battery tester with the computer.
7
TT TOPDON Car Battery Tester AB101 12v Car Battery Load Tester on Cranking Charging Systems, 100-2000 CCA Alternator Analyzer Automotive for Cars/SUVs/Light Trucks with Flooded AGM Gel Types

Rating is 4.4 out of 5

TT TOPDON Car Battery Tester AB101 12v Car Battery Load Tester on Cranking Charging Systems, 100-2000 CCA Alternator Analyzer Automotive for Cars/SUVs/Light Trucks with Flooded AGM Gel Types

  • Convenient and Professional ➤ AB101 car battery Tester is highly recommended by Scotty Kilmer and BestReviews. Every detail will be presented to you on the onboard display screen to understand the battery condition. By directly benchmarking the battery health, it gives suggestions on whether to replace the battery. By the way, the cranking and charging system test functions are also included.
  • Wide Test Range ➤ “Will it work on my battery?” This is one of the most commonly asked questions and we deeply understand you may be confused with the battery models. But rest assured, TOPDON AB101 battery tester is tailor-designed for most of 12V batteries such as regular flooded, AGM flat plate, AGM spiral, and Gel batteries and strictly follow the battery rating standards- CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, GB.
  • Unparalleled User Experience ➤ Compared to the traditional load battery testers (gauges), this car battery tester is much user-friendly. It’s equipped with a large, easy-to-read screen with a backlight and contrast adjustment for direct and accurate test results reading in 3 secs. English, Russian, Spanish, French, German, Italian are supported. Trust us - Quality, Stability and Reliability.
  • Cranking & Charging System Test ➤ Auto battery tester AB101 presents you with the test results (actual cranking voltage & cranking time) of the starter system in milliseconds to indicate if the cranking system is working as expected. Also, the battery load tester conducts a throughout check on the 12V charging system to make sure a normal generator output,perfectly working rectifier diode and under controlled charging current.
  • Easy & Safe Operations ➤ The strong yet lightweight construction, well-arranged keypad, and menu-driven operation make this battery alternator tester easier to operate. Even a beginner can use this car battery tester at ease. Your safety is our first priority. The metal alligator clips of this battery tester are covered with rubberized sleeve protector for safety.
8
KONNWEI KW650 6V 12V Car Battery Tester, 100-2000 CCA Battery Load Tester Automotive Battery and Alternator Tester for Vehicles/Marine/Motorcycle/Lawn Mover

Rating is 4.3 out of 5

KONNWEI KW650 6V 12V Car Battery Tester, 100-2000 CCA Battery Load Tester Automotive Battery and Alternator Tester for Vehicles/Marine/Motorcycle/Lawn Mover

  • 【6 & 12 Volts Battery Tester】 As the upgraded version of KW600, KW650 can test all 6V and 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. The perfect automotive battery testers to diagnose the batteries of car, boat, lawn mowers, etc.
  • 【One-key Waveform Analysis】The exclusive function on KW650 battery analyzer is the voltage waveform analysis, for the beginners, it helps to track the real-time voltage changing to find the battery issue, for the professional repair store, it’s continuous voltage monitoring results can be uploaded to computer then compare it to achieve the analysis of in-car systems.
  • 【 >99.5% Accuracy】Thanks to KW650’s powerful STM-32 chip, it provides more than 99.5% precise testing reports within milliseconds(testing results refer to US Midtronics), greatly improved the testing speed compared to other battery testers. Besides KW650 is one of the few automotive battery and alternator testers that supports UPDATE function.
  • 【Display Overall Batteries Data】Except give you the basic battery parameters such as voltage, internal resistance, cold cranking amp, battery health and charge status, KW650 load tester will also give professional advice based on these data then you can decide whether to replace or charge the battery, help you know battery status in advance to prevent possible battery failures.
  • 【Starter& Alternator Tester】KW650 is not only a great battery load tester that tests batteries cranking & charging system but also can test alternator's charging and starter's cranking conditions. And it can switch up to 12 languages for different needs.
9
LNEX Car Battery Tester, 2.8'' LCD Color Screen, 100-2000CCA Fast Accurate 12V Battery Load Tester, Cranking and Charging System Digital Battery Analyzer for Car Truck Motorcycle ATV SUV Boat Yacht

Rating is 4.2 out of 5

LNEX Car Battery Tester, 2.8'' LCD Color Screen, 100-2000CCA Fast Accurate 12V Battery Load Tester, Cranking and Charging System Digital Battery Analyzer for Car Truck Motorcycle ATV SUV Boat Yacht

  • 🚗2.8" Color Screen:Tired of the blurred blue screen? V311B battery tester with 2.8-inch color LCD screen is eye-friendly and easy to read. Provides you a more comfortable visual experience at every inspection.Large backlight LCD display, clear arranged keypad and menu-driven operation make the battery load tester much easier to operate, and powers itself off the battery. 3ft cable allowed you to do the test from inside of the vehicle.
  • 🚗Accurate & Fast:Worried about battery Life on your business trip?It's necessary to buy a battery tester to prevent troubles.V311B car battery tester is very convenient to use, There're multiple test types on the screen, just press the button to select. You can check the battery when you connect it to the car, or you can check the battery outside the car.with the advanced conductance testing technology, this digital battery analyzer can give you accurate testing results in seconds
  • 🚗Safety & Useful:With Over-Voltage Protection,This car battery load tester can easily connected positive and negative poles of the battery. It's designed in reverse, red positive and black negative, which will be safer.no light, no heat or no discharge to protect all users, vehicles, batteries and equipment and ensure safety.Support 9 languages which can be switched at any time.with print funcation,you can easily get the picture.
  • 🚗 Battery & Cranking & Charging Test:With this battery tester, you can check the overall health of the battery including the cranking test, and run a complete system charging test. Cranking test helps you test and analyze the starting motor to check it works properly or not, and the charging test is to check the charging system status to avoid damaging the battery because of overcharge or incomplete charge. It's much more convenient than driving miles to find the nearby auto repair shop.
10
Car Battery Tester 12V 24V Load Tester, TOPDON BT200 100-2000CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht

Rating is 4.1 out of 5

Car Battery Tester 12V 24V Load Tester, TOPDON BT200 100-2000CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht

  • 🚗 12V & 24V Car Battery Tester ➤TOPDON BT200 automotive battery tester works on all 12 Volt and 24 Volt batteries with 100 to 2000 CCA, such as regular flooded, AGM flat plate, AGM spiral, GEL, and deep cycle batteries for vehicles, cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers and even golf carts.
  • 🚗 Battery & Cranking & Charging Test ➤ With this battery tester, you can check the overall health of the battery including the cranking test, and run a complete system charging test. Cranking test helps you test and analyze the starting motor to check it works properly or not, and the charging test is to check the charging system status to avoid damaging the battery because of overcharge or incomplete charge. It's much more convenient than driving miles to find the nearby auto repair shop.
  • 🚗 2.4 Inch Color LCD Screen ➤ Unlike most monochrome LCD screen on market, TOPDON BT200 battery load tester is equipped with a 2.4-inch color LCD screen, which is eye-friendly and easy to read even in direct sunlight.
  • 🚗 A Must Tool For DIYers & PROS ➤ Applying the advanced conductance testing technology, TOPDON BT200 can give you accurate testing results in seconds. Fit in your glove box, it's a handy device for automobile factory, garage, auto battery manufacturer, and DIYer.
11
ANCEL BST500 12V/24V 100-2000 CCA Automotive Battery Load Tester, Car Cranking and Charging System Analyzer Scan Tool with Printer for Heavy Duty Trucks, Cars, Motorcycles and More (Black and Red)

Rating is 4 out of 5

ANCEL BST500 12V/24V 100-2000 CCA Automotive Battery Load Tester, Car Cranking and Charging System Analyzer Scan Tool with Printer for Heavy Duty Trucks, Cars, Motorcycles and More (Black and Red)

  • 1. BST500 battery tester is a more advanced tool with the capability to test automotive, marine, motorcycle, boat, and truck batteries. Designed for 12V battery testing, it nevertheless can be used for both 12V and 24V starting and charging systems.
  • 2. This battery analyzer can test 12V lead-acid batteries, including regular flooded, AGM flat plate, AGM spiral, gel, and deep-cycle batteries. It covers all battery rating Standards such as CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, GB standards.
  • 3. It’s fast and accurate, displaying battery parameters in about 2.5 seconds to advise you of a battery’s full/low or charge/replace status.
  • 4. The unit is housed in a rugged casing for easy hand-holding. It’s lightweight and has a backlit display screen for clear reading under any lighting condition.
  • 5. Its built-in printer uses standard thermal printer paper, so you can conveniently attach a printout to a work order, share it with your customers or build a preventative maintenance program of record keeping.

How can you tell if a car battery is good or not?

There are several obvious signs of trouble for a car battery. The first, and obvious is if the battery light flashes on your dashboard. In older cars that do not have a voltage meter on the dashboard, frequently the check engine light will go off.

However, even if the voltage light doesn't flash on your dashboard, there are other indicators of a problem.

One of those indicators is if your engine cranks very slowly, or takes several tries to get it going. Assuming there is no problem with your alternator, this is a warning sign.

Another indicator is if your car needs frequent jump-starts. The occasional jump-start may okay, but if you have more to jump-start your car even once per week, there is probably a problem.

Notice your headlights seem unusually dim? Well then probably you do not have enough juice.

There are others.

A battery will typically last around 4 years, so if it's been a while, it doesn't take a rocket scientist to figure out your old battery is shot.

Another sign, indicating you definitely need a new battery is if your battery, either in cold or extremely hot weather is swelling. Swelling indicates your battery is dying from the inside out.

Another is if you open the hood of your car and there is a rotten egg smell. This likely is an indicator that your battery is leaking and leaky battery acid can destroy many parts of your vehicle, so get a complete check-up.

However, one way to tell for sure, absent all of these methods is to have a simple car battery tester. If there is not your car you can find here https://sampleproposal.org/blog/car-lease-proposal car lease proposal examples.

Most car battery testers are designed to test 12 volt car batteries, but if you also have a motorcycle, it may be a 12 volt or a 6 volt battery. So if you have both, which most people do, then buy a multi-battery automotive battery tester.

Are car battery testers accurate?

It depends on whether you have a car battery tester or whether you purchased a multi-meter tester.

Let us explain. With a multi-meter tester, which is a simpler device, you can tell whether your battery has enough voltage going through it. However, this doesn't tell whether you have enough amperage in your car to start your car or truck.

In cold weather particularly, a multimeter tester may indicate the battery has sufficient voltage, but only a car battery tester will tell you if you have sufficient amperage.

The way a car battery tester works is that it will show you the voltage, the same as a multimeter, but then you adjust the car battery tester and it puts a load onto the battery, the same as if you were actually trying to start your car.

Naturally, an automotive battery tester is more expensive than a multimeter, sometimes twice as expensive, but the accuracy of the devices is so much better.

It should be noticed that the latest and the greatest in terms of an automotive battery tester is Bluetooth. Several manufactures now make battery testers that allow you to check your battery's health via Bluetooth.

Of course, people living in Arizona or Florida will not necessarily need Bluetooth, but if you live in Minnesota where the temperature drops into the double digits, being able to test your battery in the warmth of your garage beats the heck of standing in the freezing cold.

Is 11.9 volts enough to start your car?

No. a battery showing less than 12 volts shows the battery is in discharge.

What charge does a car battery need to start?

Typically, 13.7 – 14.2V is the minimum volts necessary to start a car, but again, it also depends upon the amperage the battery delivers.

So to keep your car or truck battery in good shape, do yourself a favor and buy yourself a battery tester that will also determine the amperage load delivered by your car's battery.

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