10 Best Battery Testers 2024 in the US

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2 in 1 OBD2 and Battery Tester: Combines a vehicle code reader with a professional 6V/12V battery tester for comprehensive diagnostics.

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Advanced Battery Testing: Performs battery health analysis, charging, and starting tests for lead-acid batteries with a CCA range of 100 to 2000.

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Full OBD2 Functionality: Accesses engine data to read and clear codes, freeze frames, data streams, and perform various OBD2 tests.

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Professional Diagnostic Capabilities: Offers Cranking System Test and Charging System Test, which are not available in many similar products.

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Real-Time Data Display: Shows vehicle sensor data in text and graphical formats for intuitive monitoring of vehicle performance.

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Versatile Battery Compatibility: Compatible with all 12V and 24V batteries including regular flooded, AGM flat plate, AGM spiral, GEL, and deep cycle types.

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Comprehensive Testing: Performs overall battery health checks, cranking tests, and complete system charging tests.

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Advanced Conductance Technology: Utilizes advanced conductance testing technology for accurate results in seconds.

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Color LCD Display: Features a 2.4-inch color LCD screen for easy reading in various lighting conditions.

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Portable Design: Compact size that fits in a glove box, making it convenient for both professionals and DIYers.

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Advanced Conductivity Testing: Utilizes cutting-edge technology for various battery tests and provides diagnostic suggestions.

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Wide Battery Compatibility: Supports 12V & 24V Lead-Acid batteries (100-2000A CCA), suitable for a range of vehicles from motorcycles to heavy-duty trucks.

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Large Color Screen & Printer: Features a 3.5” color screen for easy reading and a built-in printer for immediate report printing.

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User-Friendly Operation: Includes multiple navigation keys for smooth operation and a mini-USB port for software updates.

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Safety & Convenience: Comes with long cables, reverse polarity protection, and supports up to 8 languages for versatile use.

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Battery Compatibility: Compatible with regular, AGM, and Gel batteries, accommodating a wide range of vehicle batteries.

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Low Voltage Testing: Capable of testing discharged batteries with as little as 1 volt, eliminating the need for charging prior to testing.

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Bad Cell Detection: Identifies batteries with bad cells, indicating when a battery cannot be charged and needs replacement.

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Multiple Rating Systems: Supports various battery rating systems including CCA, SAE, DIN, EN, and IEC for versatile testing.

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Built-In Printer: Features an integrated printer powered by the vehicle's battery to provide immediate test results.

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Versatile Battery Testing: Tests 6V & 12V batteries, including flooded, AGM, and gel types.

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Fast Conductance Testing: Provides accurate results in milliseconds with color-coded outputs.

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Wide Measurement Range: Measures from 100-3000 CCA, suitable for various battery types.

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Comprehensive System Testing: Includes 12V & 24V starter and alternator system test capabilities.

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User-Friendly Operation: Simple process: connect clamps, enter info, and press test.

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Enhanced OBD Functions: Covers all functions of the NT301 OBD scanner, including battery health and system tests for a comprehensive vehicle diagnosis.

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Battery Health Test: Quickly identifies battery, starting, and charging system problems, providing critical information on battery status to prevent roadside breakdowns.

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Advanced OBDII Modes: Supports reading and clearing codes, turning off the check engine light, live data, VIN retrieval, E-VAP tests, and other OBDII services.

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Accurate 12V Battery Analyzer: Assesses battery conditions like SOH, SOC, voltage, and more for various battery types, and performs cranking and charging system tests.

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Live Data Streams: Displays real-time sensor data in text and graph formats, with playback and printing options for thorough analysis and repair.

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Comprehensive Battery Health Insights: Provides detailed information on battery health, voltage, and charge status with quick tests for battery, cranking, and charging.

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Safety Features: Equipped with reverse polarity protection and short-circuit protection to ensure user and vehicle safety.

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Wide Compatibility & High Accuracy: Compatible with a range of battery types and vehicles, offering a broad test range and 99.6% accuracy.

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User-Friendly Interface: Features a large LCD display with white backlight and adjustable contrast for clear results, powered directly from a 12V battery.

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Multilingual Support & Print Function: Supports multiple languages and includes a print function for easy record-keeping and sharing of battery health.

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Professional-level Testing: Covers a wide range of batteries (12V 24V 100-2000 CCA) including regular flooded, AGM, and GEL types for comprehensive health analysis.

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Accuracy Guarantee: Features upgraded copper clamps, secure connections, clip-on leads, and advanced conductance technology for precise measurements.

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User-friendly Interface: Designed for easy reading and understanding of test results, enhancing user experience.

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Seasoned Brand: FOXWELL's over 13 years of expertise in automotive solutions provides reliability and trust.

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Battery Life Management: Accurately assesses battery condition, charge state, and provides critical information to prevent early failures and reduce maintenance.

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Wide Battery Compatibility: Supports 6V, 12V, 24V batteries, including AGM, gel, and EFP.

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Built-in Printer: Offers easy one-click printing with no extra fees, includes 3 paper rolls.

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User-Oriented Design: Includes a robust toolbox, 6.5ft cable, and built-in battery for convenience.

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High Accuracy and Speed: Achieves 99.9% accuracy with quick test speed and reliable results.

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Comprehensive Testing: Performs battery health, cranking, and charging tests with detailed insights.

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12V & 24V Compatibility: Capable of testing 12V batteries, as well as the cranking and charging systems of both 12V and 24V vehicles.

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Wide Battery Type Support: Compatible with a variety of lead-acid battery types including regular flooded, AGM flat plate, AGM spiral, Gel, and EFB, ranging from 100 to 2000 CCA.

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Broad Vehicle Application: Suitable for cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, and lawnmowers, addressing most vehicle battery issues.

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Fast & Precise Analysis: Utilizes advanced conductive testing technology to deliver accurate battery health results within 3 seconds with a 99.5% accuracy rate.

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Built-in Printer: Features an integrated thermal printer for immediate printing of diagnostic results without the need for ink or other supplies, except standard thermal paper.