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10 Best Battery Testers 2025 in the United States
#1
Winner
ANCEL BA101 Car Battery Tester, 12V Digital Automotive Alternator Meter Diagnostic Tool,100-2000 CCA Load Capacity, Charging & Cranking Analyzer for Truck, Boat, RV, Marine Vehicle, and More
The ANCEL BA101 Car Battery Tester is a fantastic tool for those who want to keep their vehicles in top shape. With its compatibility for various battery types like flooded, AGM, and GEL, it meets the needs of car owners, truck drivers, and even marine users. The built-in intelligent chip offers impressive accuracy, delivering results with a 99.6% success rate. Users will appreciate the large LCD display, which has adjustable contrast and a backlight, making it easy to read in different lighting conditions. Its user-friendly design allows for one-handed operation, which is a nice touch for convenience.
Rating
9.8
Chosen by1,266
Display Type
Ease of Use
Most important from
3122 reviews
#2
FOXWELL NT301 Plus 2-in-1 OBD2 Scanner Battery Tester, Professional Check Engine Code Reader Car Diagnostic Tool, Live Data, 12V 100-1100CCA Cranking Charging Analyzer for 1996 or Newer Vehicle
The FOXWELL NT301 Plus 2 in 1 OBD2 Scanner Battery Tester is a versatile tool that combines full OBD2 diagnostic functions with a 12V battery tester. It supports various types of batteries including AGM flat, AGM, and GEL batteries, making it suitable for a wide range of vehicles. The 2.8'' TFT color screen provides clear and easy-to-read information, enhancing usability.
Rating
9.6
Testing Method
Ease of Use
Most important from
2301 reviews
#3
Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and Continuity
The Klein Tools MM325 Multimeter is a versatile tool for those who need to test not just batteries but also AC/DC voltage, current, resistance, diodes, and continuity. It handles a wide range of measurements, making it suitable for various basic and light-industrial applications. One of its standout features is the LED lead-alert protection, ensuring you place the test leads correctly for more accurate and safer measurements.
Rating
9.4
Display Type
Ease of Use
Most important from
1822 reviews
Top 10 Best Battery Testers 2025 in the United States
#1
Winner
ANCEL BA101 Car Battery Tester, 12V Digital Automotive Alternator Meter Diagnostic Tool,100-2000 CCA Load Capacity, Charging & Cranking Analyzer for Truck, Boat, RV, Marine Vehicle, and More
ANCEL BA101 Car Battery Tester, 12V Digital Automotive Alternator Meter Diagnostic Tool,100-2000 CCA Load Capacity, Charging & Cranking Analyzer for Truck, Boat, RV, Marine Vehicle, and More
Battery Compatibility: flooded, AGM, GEL
Display Type: LCD
Testing Method: Battery Capacity and Performance
Ease of Use: one-handed operation
Additional Features: adjustable contrast, backlight, reverse polarity
Chosen by 1266 this week
FOXWELL NT301 Plus 2-in-1 OBD2 Scanner Battery Tester, Professional Check Engine Code Reader Car Diagnostic Tool, Live Data, 12V 100-1100CCA Cranking Charging Analyzer for 1996 or Newer Vehicle
FOXWELL NT301 Plus 2-in-1 OBD2 Scanner Battery Tester, Professional Check Engine Code Reader Car Diagnostic Tool, Live Data, 12V 100-1100CCA Cranking Charging Analyzer for 1996 or Newer Vehicle
Battery Compatibility: AGM flat, AGM, GEL
Display Type: 2.8'' TFT color screen
Testing Method: Battery Health, Cranking, Charging Test
Portability: Portable and lightweight
Ease of Use: Plug and play, User-friendly
Additional Features: Full OBD2 diagnostic functions
Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and Continuity
Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and Continuity
Battery Compatibility: Battery Powered
Display Type: Backlit LCD
Testing Method: AC/DC voltage, current, resistance, diodes
Portability: 0.87 pounds
Ease of Use: Test lead holders, kickstand
Additional Features: LED lead-alert, withstands drops up to 6.6 feet
ANCEL AD410 PRO OBD2 Scanner and Battery Tester,2-in-1 Car Diagnostic Tool,Check Engine Light,EVAP Test,Live Data,6V/12V Battery Analyzer with Cranking & Charging System Test for Car Motorcycle
ANCEL AD410 PRO OBD2 Scanner and Battery Tester,2-in-1 Car Diagnostic Tool,Check Engine Light,EVAP Test,Live Data,6V/12V Battery Analyzer with Cranking & Charging System Test for Car Motorcycle
Battery Compatibility: 6V and 12V lead-acid batteries
Display Type: 2.8-inch TFT color screen
Testing Method: Battery Health, Cranking, Charging Test
Portability: Compact, lightweight, 2.5-foot cable
Ease of Use: Plug and Play, Easy to Use
Additional Features: Real-time data, trouble codes, EVAP tests
Car Battery Tester 24V 12V 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
Car Battery Tester 24V 12V 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
Battery Compatibility: 12V and 24V, AGM, GEL, deep cycle
Display Type: 2.4-inch color LCD
Testing Method: cranking, charging, advanced conductance tests
Portability: Less than a pound, fits glove box
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TOPDON BT100 Car Battery Tester 12V Load Tester, 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht
TOPDON BT100 Car Battery Tester 12V Load Tester, 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht
Battery Compatibility: 12V lead-acid batteries
Display Type: Color-coded LEDs
Testing Method: Battery health, cranking, charging tests
Portability: Compact and lightweight
Ease of Use: User-friendly
Additional Features: High-quality copper clamps
FOXWELL BT705 Car Battery Tester 12V 24V, Automotive 100-2000CCA Battery Load Tester Analyzer, Digital Cold Cranking Charging System Alternator Tester for Heavy Duty Truck Boat Marine SUV ATV
FOXWELL BT705 Car Battery Tester 12V 24V, Automotive 100-2000CCA Battery Load Tester Analyzer, Digital Cold Cranking Charging System Alternator Tester for Heavy Duty Truck Boat Marine SUV ATV
Battery Compatibility: 12V and 24V, flooded, AGM, GEL
Display Type: 2.8-inch backlit LCD
Testing Method: conductance technology
Portability: 325 grams, case, 5.9-foot cable
Additional Features: No app required
KONNWEI KW208 12V Car Battery Tester, 100-2000 CCA Load Tester Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Truck Marine Motorcycle SUV Boat
KONNWEI KW208 12V Car Battery Tester, 100-2000 CCA Load Tester Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Truck Marine Motorcycle SUV Boat
Battery Compatibility: 12V batteries, including AGM and gel
Display Type: clear display
Testing Method: in-vehicle and out-of-vehicle testing
Portability: lightweight at 230 grams
Ease of Use: user-friendly plug-and-play design
Additional Features: tests alternator and starter, 8 languages
ANCEL BM200-US Car Battery Tester 12V Automotive Battery Monitor Bluetooth Auto Battery Load Tester with Cranking Charging Test Alarm Record Voltage History Voltmeter for Car/RV/Motorcycle/Truck/Boat
ANCEL BM200-US Car Battery Tester 12V Automotive Battery Monitor Bluetooth Auto Battery Load Tester with Cranking Charging Test Alarm Record Voltage History Voltmeter for Car/RV/Motorcycle/Truck/Boat
Battery Compatibility: 12V lead-acid, lithium batteries
Testing Method: cranking, charging tests
Portability: compact design
Ease of Use: user-friendly
Additional Features: Bluetooth 4.2, IP67, reverse polarity
#10
FOXWELL BT705 Plus Car Battery Tester 12V 24V Automotive, 100-2000CCA Battery Load Tester Digital Battery Analyzer Charging System Alternator Tester Cranking Checker for Car Heavy Duty Truck Marine
FOXWELL BT705 Plus Car Battery Tester 12V 24V Automotive, 100-2000CCA Battery Load Tester Digital Battery Analyzer Charging System Alternator Tester Cranking Checker for Car Heavy Duty Truck Marine
Battery Compatibility: 12V, 24V lead-acid batteries types
Display Type: bright color LCD
Testing Method: tests CCA, battery, starting, charging
Portability: 1.3 kg, portable
Ease of Use: user-friendly, needs rated CCA
Additional Features: 5.9-ft cable, advanced chip tech
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Buying Guide for the Best Battery Testers
Choosing the right battery tester can be a bit overwhelming, but understanding the key specifications can help you make an informed decision. A battery tester is a device that helps you determine the charge level and overall health of a battery. This is crucial for ensuring that your batteries are functioning properly and can help you avoid unexpected power failures. Here are some key specifications to consider when selecting a battery tester and how to navigate them to find the best fit for your needs.Battery CompatibilityBattery compatibility refers to the types of batteries that the tester can evaluate. This is important because different devices use different types of batteries, such as AA, AAA, 9V, or even car batteries. When choosing a battery tester, make sure it is compatible with the types of batteries you use most frequently. If you use a variety of battery types, look for a tester that supports multiple types to cover all your needs.
Display TypeThe display type on a battery tester shows the results of the battery test. This can range from simple LED indicators to more advanced LCD screens that provide detailed information. A basic LED display might show a simple 'good' or 'bad' indication, while an LCD screen can give you more detailed information such as the exact voltage and charge level. If you need precise information for critical applications, opt for a tester with an LCD display. For general household use, a simpler display might suffice.
Testing MethodThe testing method refers to how the battery tester evaluates the battery's condition. Some testers use a load test, which measures the battery's performance under a simulated load, while others use a conductance test, which measures the battery's ability to conduct current. Load tests are generally more accurate but can be more complex to use. Conductance tests are quicker and easier but might not be as precise. Choose a testing method based on how detailed and accurate you need the results to be.
PortabilityPortability is an important factor if you need to test batteries in different locations or on the go. Portable battery testers are usually compact and lightweight, making them easy to carry around. If you primarily test batteries at home or in a workshop, a larger, more robust tester might be suitable. Consider how and where you will be using the tester to determine the right level of portability for your needs.
Ease of UseEase of use refers to how user-friendly the battery tester is. Some testers are very straightforward, with simple instructions and easy-to-read displays, while others might have more complex features and require a bit of a learning curve. If you're not very tech-savvy, look for a tester with clear instructions and a simple interface. If you're comfortable with technology and need more advanced features, a more complex tester might be a better fit.
Additional FeaturesAdditional features can enhance the functionality of a battery tester. Some testers come with extra features like built-in printers, data storage, or the ability to test multiple batteries simultaneously. These features can be useful for professional use or for those who need to keep detailed records of battery performance. Consider what additional features might be beneficial for your specific needs and choose a tester that offers those capabilities.