About This

• Upgrade to the NT301 Plus: Now with 2-in-1 Engine and Battery Diagnostics! More than just an OBD2 scanner diagnostic tool, this car code reader checks both engine faults and battery health in one easy-to-use tool. With a 36% larger 2.8” color display (vs. 2.4”), enjoy clearer results every time. Ideal for DIYers, car owners, home mechanics, used car buyers, and basic car maintainers—save on costly shop visits and get professional diagnostics at home.
• Pro-level Battery Health Analysis: Avoid no-start situations—by checking battery condition before it fails. This automotive battery tester provides a professional-grade health check: SOH, SOC, CCA, cranking voltage/time, and starter/charging performance with 20% higher accuracy, even below 0°C (32°F). Works with flooded, AGM flat/spiral, EFB, and GEL types. Bold Good/Replace results show status at a glance, ideal for dark garages or roadside checks. Tips: Connect the battery cable firmly to the OBDII diagnostic cable to start battery check.
• Fast Check Engine Light, CEL Reset & Trouble Solved: This code reader for cars and trucks quickly read and clear check engine lights in seconds! Access live data like RPM, coolant temp, and fuel trim through easy-to-read text and graphs to pinpoint the problem. With code definitions, gives u an idea if you can fix something yourself. Took all of a few minutes to follow the steps and clear the codes. Saved money from taking it to the shop and spending over hundreds to figure out the reason.(Pro Tip: Always fix the issue before clearing the codes!)
• Bigger 2.8" Screen with S-M-O-G Check: Compared to the typical 2.4" on most competitors—experience clearer, more detailed readings right at your fingertips. One press starts an instant I/M readiness test with this car engine analyzer. The built-in Red-Yellow-Green LEDs and optional beeping, instantly give you pass/fail status. Plus, with DTC definitions right on the device, you’ll no longer waste time searching online for sensor issues, you’ll always know when your car is inspection-ready.
• Broad Compatibility: This engine code reader compatible with U.S. vehicles from 1996+, European models from 2001+, and Asian cars from 2005+ via the standard 16-pin OBDII port. And it also supports testing 12V lead-acid batteries, including regular, AGM, GEL, EFB, Flooded types. While it covers most makes/models, please note that some vehicles like PRE-1996 vehicles or Fiat/ALFA/Lancia, or some models of the French PEUGEOT, Citroen, South Korea Ssangyong, Russia Lada, VAZ, UAZ, GAZ may not be fully supported. Special protocols may need an extra connector cable, please confirm before purchase.
• Live Data + Record & Playback for Deeper Insight: 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 reports—ideal for professional repairs faster and easier.
• Improtant Notes: FOXWELL NT301 Plus is an odb2 scanner for engine & 12 V 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).

Overview

• Brand : FOXWELL
• Power Source : GRS-certified Materials (Global Recycled Standard)
• 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