
FOXWELL
Don’t Just Read Codes—Check Battery Health Too. Before Problems Interrupt Your Day, Check Engine Codes + Battery Health in One Tool.
Road Trip Ready? Pre-Check Engine Code + Test Battery in One Tool Before You Go.
FOXWELL 2 in 1 OBD2 Scanner with battery tester
Not Just for When Something Goes Wrong. 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!
See the 2-in-1 FOXWELL NT301 Plus in Action: Key Features Demo
Will this work on older cars?
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 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.
Is this easy to use for someone who's not a mechanic?
Yes — thousands of people use it. The large screen walks you through every step, and you can do the diagnostic jods at home without a mechanic. Save hundreds on repairs. No phone pairing, app download, or subscription is needed.
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.

Road Trip Ready? Pre-Check Engine Code + Test Battery in One Tool Before You Go.
FOXWELL 2 in 1 OBD2 Scanner with battery tester
Not Just for When Something Goes Wrong. 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!
See the 2-in-1 FOXWELL NT301 Plus in Action: Key Features Demo
Spot Engine & Battery Issues Early
Check Engine Light on? No Warning about the Weak Battery?
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 andwhether 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.
From NO-START to Road Trip Ready
Your Battery will Never Warn You Before It Dies. Avoid Sudden Breakdown!
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.
DTC Look-up with Plain English Definitions
No Idea about the Diagnostic Trouble Codes?
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.
Live Data Dashboard
No Idea about the Real-time Engine Data?
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.
Broad Compatibility
Not Sure if the Car Scan Tool Work on Your Older Cars?
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.
One-Key I/M Readiness Checking
Check if Your Car is Ready for Annual E-missions Inspection
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.
Will this work on older cars?
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 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.
Is this easy to use for someone who's not a mechanic?
Yes — thousands of people use it. The large screen walks you through every step, and you can do the diagnostic jods at home without a mechanic. Save hundreds on repairs. No phone pairing, app download, or subscription is needed.
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.

FOXWELL
Don’t Just Read Codes—Check Battery Health Too. Before Problems Interrupt Your Day, Check Engine Codes + Battery Health in One Tool.








































































































