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Features
- Same with NT301. Extra Battery Test Upgraded from the NT301, the NT301 Plus code reader reads and clears engine codes just as fast as the classic you trust. But now, it also checks your 12V battery health. Think of the extra cost as cheap insurance against the high tow truck bill. As one user put it: "It paid for itself the first time I plugged it in." With a 36% larger 2.8 color display (vs. 2.4), it delivers clearer results every time. Ideal for DIYers, car owners, home mechanics, used car inspection and anyone who wants to diagnose car issues with confidence before making a costly shop visit
- Check Engine Light on? Plug it in and the 2.8" color screen shows you the code and exactly what it meansno mechanic-speak, no decoding. You'll know what you're dealing with before you enter into a repair shop with this code reader for cars and trucks. Access live data like RPM, coolant temp, and fuel trim to pinpoint the problem. Saved money from taking it to the shop and spending over hundreds to figure out the reason. Pro Tip: You should fix the car issue before clearing the codes
- Check Battery Health You Didn't Know You Needed Dont wait until your car wont start. Taking few mintues to check battery health (SOH, SOC, cranking/starting power & charging system). Works with 12V lead-acid batteries: Flooded, AGM (flat/spiral), EFB, and GEL. This car battery tester will test your battery before daily commuting, road trips, after a jump-start, new battery keeps dying or vehicle sitting for weeks. Know whether to recharge, replace, or keep using your battery to avoid unnecessary battery replacement. Knowledge is powerand in this case, it's also a working car. Tips: Connect the battery cable firmly to the OBDII diagnostic cable to start battery check
- See What Your Engine IS Doing This car diagnostics scanner monitors real-time engine parameters to catch intermittent issues: RPM, sensor outputs, fuel trim, and more. The obd scanner supports data recording, playback, and PC printing of diagnostic reportsideal for professional repairs faster and easier
- Broad Compatibility with No Subscription, No APP This engine code reader works with 1996+ U.S. vehicles, 2001+ European models, and 2005+ Asian cars via the standard 16-pin OBDII port, like Cars, Pickups, Motorcycles, ATVs & More OBD2 diagnostics. While it covers most makes/models, please note that it NOT fit for PRE-1996 vehicles or Fiat/ALFA/Lancia, or some models of the French PEUGEOT, Citroen, South Korea Ssangyong, Russia Lada, VAZ, UAZ, GAZ. Special protocols may need an extra connector cable, please confirm before purchase
- Improtant Notes: FOXWELL NT301 Plus is an odb2 scanner for engine & 12V battery diagnostics only. It does not support ABS, SRS, transmission, key programming, oil reset, or battery registration. Not compatible with tire sensors or airbag codes. Works with 12 V batteries only, no load test, and no built-in battery. Fix car issues before clearing codes. Windows-only updates (not Mac/iOS)
Description
Don’t Just Read Codes—Check Battery Health Too. Before Problems Interrupt Your Day, Check Engine Codes + Battery Health in One Tool. FOXWELL adheres to the principle of "product-oriented, customer-centered". For thirteen years, we have been committed to creating OBD2 products that can truly solve problems quickly. With a professional R&D team and an independent innovative R&D system, we have been focusing on the development and provision of automotive diagnostic technologies, products and services. Our vision is "creating a better life experience for global car users". 2 ways to know what's wrong with your car. Your battery will never warn you before it dies. Use the 2-in-1 NT301 Plus car scanner with battery tester for quick pre-drive checks to spot engine code, battery, starter, or charging issues before they interrupt your day. Keep your car always road-ready! Plug it in and it quickly displays the cause of your check engine light and pre-check the battery health before you go. Tells you what's wrong and whether you can fix it yourself or not. Saved money from taking it to the shop and spending over hundreds to figure out the reason. Pro Tip: You should fix the car issue before clearing the codes. Detecting the potential battery failures early, prevent unexpected roadside breakdowns, and save money by avoiding costly, unnecessary repairs. This battery tester automotive delivers full-scope testing—Battery Health Test, Starting Power Test, and Charging System/Alternator Test. When your car won’t start, after a jump-start, or before a long drive — test first, then decide what to do next. Access a comprehensive DTC library packed with tens of thousands of detailed fault code definitions, such as the regular error codes: P0172/P0442/P0455/P0456 &etc. This code reader and scan tool pinpoints the root causes of issues, giving you clear explanations and actionable insights, so you can fix problems faster without guessing what the warning light means. View engine RPM, sensor outputs, fuel trim, DTC triggers, and more in real time with clear, easy-to-read graphs that make diagnostics instantly understandable. With data print function, this code reader for car lets you easily save, share, or review your data—perfect for tracking issues, getting a second opinion, or keeping maintenance records organized. FOXWELL NT301 Plus compatible with U.S. vehicles from 1996+, European models from 2001+, and Asian cars from 2005+ via the standard 16-pin OBDII port. Special protocols may need an extra connector cable, please confirm before purchase. Press the “I/M” button for an instant readiness check and immediately see whether your vehicle is prepared for an e-missions test—no guesswork, no hassle. This OBD scanner with battery testing is built for everyday drivers, offering clear guidance and quick results that boost your confidence before any inspection. Even beginners can use it with ease, helping you spot issues early, avoid unexpected repairs, and keep your car running at its best. Is the FOXWELL NT301 Plus just a basic code reader? No. The NT301 Plus is a 2-in-1 OBD2 code reader and 12V battery tester combo. It reads and clears engine codes, diagnoses check engine light issues, and also checks battery health, starter performance, and charging system status in one auto scanner. Will it work with my vehicle? This vehicle scanner works with 1996+ U.S. vehicles, 2001+ European models, and 2005+ Asian cars. And also supports testing 12V lead-acid batteries, including regular flooded, AGM flat plate, AGM spiral, EFB, and GEL batteries. Is this easy to use for someone who's not a mechanic? Yes. NT301 Plus is a handheld, plug-and-play tool with a 2.8" color screen, which walks you through every step, and you can do the diagnostic jods without a mechanic. No app or subscription required. How is the display and usability better than other 2-in-1 automotive obd-ii scanner diagnostic tool? The 2.8" color screen is larger than many similar car scanner diagnostic tool. It offers live data graphs and even print reports(need connect to PC), making diagnostics easier to understand and share with your mechanic. How does this tool go beyond a regular vehicle code reader NT301? NT301 Plus is an upgraded version from NT301. Reads/clears error codes, shows live data, perfrom s-m-o-g & evap leak test. And plus SOH, SOC, Starter, and Charging system test—totally a complete car scanner.
Brand: FOXWELL
Power Source: Corded Electric
Product Dimensions: 3.7"L x 1.6"W x 5.71"H
Operating System: Plug and Play; Only support update with Windows system, not support MAC/IOS; 12V Battery Test Only
Screen Size: 2.8 inches
Brand Name: FOXWELL
Manufacturer: FOXWELL
Included Components: 1 x Battery Clamp Cable, 1 x Carry Bag, 1 x FOXWELL NT301 Plus OBD2 Scanner Car Battery Tester, 1 x USB Mini Cable, 1 x User Manual & Quick Start Guide
Item Weight: 600 g
Model Number: NT301 Plus
Manufacturer Part Number: NT301 Plus
Power Source: Corded Electric
Operating System: Plug and Play; Only support update with Windows system, not support MAC/IOS; 12V Battery Test Only
Screen Size: 2.8 inches
Native Resolution: 2.8''TFT color screen
Item Dimensions L x W x H: 3.7"L x 1.6"W x 5.71"H
Item Highlight: Check Engine Code Reader, Live Data, Battery Health/Cranking/Charging System Test, Diagnostic Tool for 1996+ OBDII Vehicle
Frequently asked questions
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