Best Obdmonster Battery Testers in 2026

12 Volt battery and system testing

40-1200 CCA testing capacity

7-15V operating range

TRUSTED TESTING: Test load, battery condition, and starter motor draw; 50 Amp load test for 6V batteries and 100 Amp for 12V batteries; tests up to 1000 CCA

COMPLETE DIAGNOSIS: Delivers a complete charging system diagnosis for batteries in cars, small trucks, RVs, motorcycles, ATVs, boats, and lawn tractors

SIMPLE OPERATION: Top-mounted rocker switch for ease of use and highly visible meter readings

🔥【Easy Operation】- Connect and Go. It provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. Various Colored LEDs indicate the battery or the alternator status.

🔥【Safety Ensured】- Reverse-hookup and Over-voltage protection, making it safe and simple to use. The Digital Voltmeter Testing Range: 4-20V DC. 【If the voltage is under 4volts, the screen will display - "LO"; Above 20volts, the screen will display - "HI"】

🔥【High Accuracy】- With a Four-character lighted digital display, the voltage testing accuracy will be close to 0.01volt. 【NOTE: Verify the counterfeit with only 3-character display. The accuracy is only 1/10 of ours.】

【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. Perfect for Father's Day Gift.

【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.

【Professional Enough】Adopting cutting-edge conductivity testing technology, the TOPDON BT600 automotive battery tester performs various tests and offers suggestions correspondingly. Battery testing for 12V batteries shows a battery's health, rated CCA, etc. Cranking and Charging tests can check cranking systems and charging systems, allowing technicians to accurately determine fault location through this smart battery analyzer.

【Work on More Batteries】Supporting tests for 12V & 24V Lead-Acid batteries (CCA 100 to 2000A), this car battery tester enables professionals to work on Sedans, Motorcycles, Pickup Trucks, Heavy-Duty Trucks, and Boats. With the BT600 battery tester, technicians can complete more testing jobs on batteries, such as regular flooded, AGM Flat, AGM Spiral, GEL, and EFB batteries.

【3.5” Color Screen & Built-In Printer】3.5” color screen, which is bigger than 90% car battery testers, and intuitive user interface enable simple operation. With a built-in printer, this digital battery tester allows users to print reports immediately with thermal sensitive paper, suitable for shops to print out whenever a proof or record is needed. The data Playback function can save data from the last test performed, making it easier for users to check the data.

✔ BST200 12V car battery tester shows you the basic battery parameters such as voltage, internal resistance, battery condition and charge status. In addition, BST200 also tells you whether you should replace or charge the battery.

✔ Works with 12V lead acid batteries from 100 - 1100 CCA, including regular flood batteries, AGM flat plate batteries, AGM spiral batteries and GEL for cars, RVs, SUVs, motorcycles, boats, light trucks and even golf carts.

✔ Gives you an accurate result in just seconds, such as CCA value, CCA rating, voltage, internal resistance, health and state of charge, based on the rating standard of CCA, CA, MCA, JIS, DIN, IEC, EN and SAE.

Easy to use - no switches or settings

Quickly and easily identify weak or failing batteries

Patented high accuracy Pulse Load Test

BATTERY TESTING: This handy tool helps you test battery condition and load, check starter motor draw, and assists with charging system diagnosis

AUTOMOTIVE USE: Test cars, pickup trucks, SUVs, motorcycles, RVs, boats, and ATVs; can be used on vehicles with up to 1,000 cranking amps

SAFETY FEATURES: Rubber insulated carrying handle and color-coded heavy duty alligator clamps to keep you safe

🚗 Reliable Battery Testing: The AUTDER AD-808 battery tester is designed for testing both 12V and 24V batteries for a wide range of vehicles including cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers, and even golf carts. The accuracy of the car battery voltmeter is close to 0.01V, providing reliable results

🔥 Alternator Charging System Analysis: In addition to determining whether a vehicle battery needs replacement or a jump, the AD-808 can also test the status of the alternator output to prevent damage to the battery from overcharging or incomplete charge

🎯 Easy to Use: With its intuitive design, the AD-808 has three gear modes for testing the alternator, 12V battery, and 24V battery respectively. In the middle gear, the LCD screen displays the real-time voltage while the LEDs indicate the alternator status. Shifting to the 12V or 24V gear displays the real-time voltage on the LCD screen and the LEDs indicate battery status

[CONVENIENT]: Whether for the home, garage, or at the shop, the Neiko battery load tester is portable and DIY compatible for diagnosing and applying load to car, van, boat, truck, SUV, motorcycle, RV and other automotive 6 & 12 volt batteries.

[QUALITY]: Tester body features protection-encased analog voltage meter display, anti-sparking internal switchgear and external handle grip at top for portable carrying.

[DURABLE]: Copper clamp connectors feature red positive and black negative rubber grips to easily designate test clip placement on battery terminals.

BATTERY HEALTH CHECK: Scan and show you overall status of a 12V battery in seconds such as SOC (state of charge), SOH (state of health), voltage, internal resistance and CCA; it’s a cost-efficient way to tell you whether the battery is good, or requires replacement or charging.

STARTING & CHARGING SYSTEM ANALYZER: Test the cranking voltage and time to check the starting capability; read the ripple and loaded & unloaded voltage when engine is running to see if alternator is providing proper power to the electrical system and keep the battery charged.

PLUG AND PLAY & HIGH ACCURACY: Test batteries (even dead ones) either in-vehicle or out-of-vehicle, and just connect and go. Thanks to the high-performance chip and premium cable and clamps, the voltage testing accuracy of this battery tester is close to 0.01v with overall accuracy close to 99.9%.

Revolutionary Testing Technology 🔋： Say goodbye to slow and inaccurate test results. With cutting-edge conductivity testing technology, the BTMobile Pro provides lightning-fast and accurate test results with just one click. No more guesswork, no more wasted time - this car battery analyzer is a must-have for any serious battery technician. The battery monitor is ultimate solution for testing, charging, and cranking 12V/24V lead-acid batteries.

Unmatched Battery Coverage 🔋：From sedans to motorcycles, pickup trucks to heavy-duty trucks, and even boats, the BTMobile Pro supports alternator battery tests for a wide range of 12V/24V lead-acid batteries (CCA 100 to 2000A). Whether you're working on regular flooded, AGM Flat, AGM Spiral, GEL, or EFB batteries, this battery load tester has you covered.

Wireless Bluetooth Convenience🔋：Download the app and connect your phone or tablet to the TOPDON battery tester via Bluetooth. The intuitive user interface allows for easy operation and real-time results, making you a pro in no time. Three easy-to-read LED lights indicate battery connection, Bluetooth connection, and errors, so you can quickly diagnose any issues and get back to work.

【Convenient Reading】The battery load tester is easy to use and read of 6V and 12V batteries for cars, trucks, RVs, motorcycle, boats and so on. Portable and quick to operate at home or garage instead of going to the shop for battery reading.

【User-friendly Design】There’s an insulated carry handle at the top for safe and comfortable carrying. The copper clips are equipped with red positive and black negative rubber grips to designate test clip placement on battery terminals effectively.

【Specialized Tester】The battery load tester tests battery condition, load, starter motor draw and complete charging system diagnosis. Great for efficient discharge and determine the battery is good or not.

Battery Health Test: The battery tester gives advice on where to replace the battery by intelligent analysis of the health status of the battery. It's tailored for 12V/24V batteries. Compatible with the regular flooded, AGM, EFB, and GEL battery for optimum performance

Fast Accurate Detection: Thanks to the premium integrated chip, the test result of the battery health tester accuracy rate reaches 99.5%. At the same time, it adopts advanced conductivity test technology, which can be displayed on the LCD screen in just 3 seconds to see accurate battery health data

Easy to Operate: Just connect the smart clip of the automotive digital battery tester to the car battery correctly, you can see the SOH, SOC, power, internal resistance, and discharge capacity of the battery at the same time. Say goodbye to the expensive fee of checking batteries in the auto repair shop after now

[CAR BATTERY TESTER] You may wonder if the battery needs to be replaced or just needs recharging. Our car battery checker tell you the battery health by battery and alternator test. Save your trip and money by avoiding sending good batteries to car manufacturers.

[12V BATTERY TESTER] The car battery tester is for all 12V charging system, including regular flooded, AGM flat plate, AGM spiral and GEL batteries for vehicles, forklifts, hybrid cars, SUVs, Pickups, Boats, RVs, Motorcycles, travel Trailers.

[6 LED INDICTORS] The 12V battery analyzer is perfect for home usage and commercial usage. Six LED lights show the status of battery and alternator, green means good/full, orange means middle, red means low. Intuitive, simple and clear. No need to know the voltage, we directly tell you the quality of the battery and alternator.

【6V 12V 24V Battery Tester】KINGBOLEN BM550 battery tester can test all 6V 12V 24V 100-2000 CCA car batteries, support 2Ah-220Ah(need to enter the corresponding CCA value on the battery), including regular flooded(Regular battery), AGM flat plate(AGM tablet battery), AGM spiral(AGM winding battery), GEL and EFB batteries, battery analyzer for cars trucks etc.( Not suitable for deep cycle batteries )

【Practical Car Battery Analyzer】BM550 car battery analyzer can quickly and accurately display multiple data of the car battery. It can test the SOH (state of health) and SOC (state of charge) of the battery, easily test 100-2000 CCA, internal resistance test and voltage test. With our battery tester, you can easily grasp the current state of your car battery and avoid accidents.

【Simple Operation & Accurate Data】The results of the battery test are based on the CCA standard, which can be quickly and accurately displayed on the 1.8-inch HD screen, allowing you to quickly know the status of the battery.You can test the batteries both in-vehicle and out-of-vehicle, which is very convenient.

Test 6 and 12V batteries

12V Charging system analyzer

Complete test done in less than 10 Seconds

Automotive Car Battery Tester: Our car battery tester Can test all 6V 12V 24V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries.Compatible with cars, SUVs, Pickups, Boats, Motorcycles and etc. Providing overall analysis of battery’s health, help you know battery's status.

Display Overall Batteries Data: Providing basic battery parameters such as voltage, internal resistance, cold cranking amp and AH capacity, battery health and charge status, show you professional advice whether to replace or charge the battery.Reverse connection protection, even positive and negative are inversely connected, you still no need to worry about battery damage.

Fast & Accurate: Quickly and accurately determine the overall health of the battery. And battery load analyzer allows you to test batteries both in-vehicle and out-of-vehicle, even test dead batteries. Just connect the tester’s clips with battery then it will turn on and ready to test and analyze battery, and if the clip is not properly clamped,the screen will flicker,clip properly clamped,screen won't flicker.friendly enough for users especially beginner.

【Why Need It】Battery tester is mainly targeted to analyze the battery healthy status to calculate the actual cold cranking capability of the battery and the aging extent, which provide reliable analysis evidence for the test and maintenance of the battery. It notifies the user to replace battery in advance when the battery getting aged.

【Widely Compatibility】As one of the most cost-effective product of AUTOOL, AUTOOL BT360 can test all 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. Test results based on GB, BCI, CCA, EN, CA, MCA, DIN, SAE, JIS and IEC Standards.

【 >99.8% Accuracy】Thanks to AUTOOL BT360 powerful and smart chip, it provides more than 99.8% precise testing reports within milliseconds(testing results refer to for US for Midtronics), greatly improved the testing speed compared to other battery testers.

Dual Testing Methods: The TOPDON BT100W car battery tester offers two ways to get accurate battery testing results – via host-side or the Bluetooth testing app. With support for battery tests, cranking tests, charging tests, and system tests, it's the ultimate testing tool for 12V 100-2000CCA lead-acid batteries (including Flooded/AGM/GEL/EFB batteries).

Comprehensive Battery Library at Your Fingertips: TOPDON’s BT100W car battery tester features a battery library function that provides comprehensive battery information for almost 14,000 vehicle models. With just a few taps on the app, you can easily access critical battery information including battery type, CCA, and battery size.

Effortlessly Share and Save Test Reports: The TOPDON BT100W car battery tester features data synchronization and automatic test report generation. During the test, the host synchronizes the data related to the app, and the app can also synchronize the test data stored by the host via Bluetooth connection. The BT100W device and app work together to ensure seamless data transfer and make it easy for users to access and share their test results.

12V&24V Battery Tester - M200pro battery capacity tester is a professional battery tester that can test all types of 12V and 24V 40-2000CAA batteries, including regular flooded, AGM flat plate/spiral, GEL batteries, etc., The battery tester will display SOH (State of Health), SOC (State of Charge), Voltage, Current, Rating, and many other readable analysis results.

Automotive Car Battery Analyzer - M200pro 12V battery load tester provides you with basic battery parameters : voltage, internal resistance, cold cranking, AH capacity, battery health and state of charge. Battery tester will give you professional advice on whether to recharge or replace the battery.

3 Testing Functions - M200pro automotive battery tester can test battery health, and shows if the battery is in good working condition; Cranking test will show if the cranking system has enough power to start the engine; Charging systems test will show if the battery charging current is normal. Also support alternator and starter test.

【6V 12V 24V BATTERY LOAD TESTER】: BM800 is a professional battery tester with printer, it can test 6v 12v 24v car battery. It can quickly test the cold start current, internal resistance, battery life, and accurately display the battery condition. The features include Battery test, Cranking test, Charging test, Maximum load test and reverse power connection protection. After connecting a battery, you can easily know the status of the battery in a minute.

【CAR BATTERY TESTER WITH PRINTER】: One key print to get the test results, make you know the condition of your car battery more convenient, let you keep a record for future reference. There are total 3 rolls of thermal paper in the box. ！！！Please make sure the roller is pressed on the paper before print, otherwise it will print nothing or display blurry.

【 Reverse Connection Test Available】Our battery tester support reverse connection test, Even if the positive and negative poles are reversed, it can also work normally, the battery tester will not burn out the internal circuit, which can well protect the equipment and the long-term use of the car battery.The metal alligator clips are covered with rubberized sleeve protector.Your safety is our priority.

🚗【Must-have for Car Owner】 Foxwell BT100 Pro 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.

🔋【Various Batteries Tested】 This auto battery tester support for checking battery condition of 12V 100-1100 CCA regular flooded, AGM flat plate, AGM spiral, GEL batteries, and give you an accurate test result in 3 seconds. Widely used in cars, motorcycles, trucks, yachts, mountain bikes, SUVs, etc.

🕹️【Easier for You to Operate】 Large backlit LCD display, clear arranged keypad and menu-driven operation make the act intelligent battery tester much easier to operate. Avoid you wasting time in complicated operations. It is suitable for professional mechanics and beginners.

🚘 High Security: The professional auto circuit tester has a built-in circuit board chip, which is safer and more durable than traditional test lights and prevents the car computer board from burning out. Anti-bending design of the tail wire, no need to worry about bad contact of the line.

🚘 Bidirectional Voltage Testing: This upgrade circuit test light is a bidirectional voltage tester. You can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity.

🚘 Unique Design: Adopt the integrated structure design of the probe protection cover, needle guard function is added to ensure that there will be no stab wounds and the guard will not be lost. Convenient to carry and take it wherever you go.

[CAR BATTERY TESTER] You may wonder if the battery needs to be replaced or just needs recharging. OBDMONSTER car battery load tester tells you the battery health by battery test and loading test. Also, this battery analyzer can check alternator status. Save your trip and money by avoiding sending good batteries to car manufacturers.

[ANALYSIS FOR 12V/24V BATTERY AND ALTERNATOR] OBDMONSTER battery monitor will recognize for 12V or 24V battery automatically. The tester works on both 12V and 24V charging system such as regular flooded, AGM flat plate, AGM spiral, GEL and deep cycle batteries for vehicles, forklifts, hybrid cars, SUVs, Pickups, Boats, truck, RVs, Motorcycles, travel Trailers and even golf carts.

[7 LED INDICTORS] The OBDMONSTER 12V&24V battery checker is perfect for home usage and commercial usage. Seven LED lights show the status of battery and alternator, green means good/full, orange means middle, red means low. Intuitive, simple and clear. No need to know the voltage, we directly tell you the quality of the battery and alternator.