FOXWELL Upgrade NT301 Plus
Discover the foxwell upgrade nt301 plus with Case with OBD2 Extension Cable, your new best friend in maintaining your vehicle’s health.
This versatile car code reader offers all the functions of its predecessor, NT301, and more.
It’s not just a code reader—it also performs comprehensive battery health checks, starting (cranking), and charging system tests. Designed for car owners, beginners, DIY enthusiasts, and technicians, it’s an invaluable tool that saves you time and cuts down on maintenance costs.
The NT301 Plus provides live vehicle sensor data in both text and graph formats, making diagnostics easy and efficient. Keep a close eye on your vehicle’s battery and system health without the hassle and expense of frequent mechanic visits.
This tool is a must-have for your home or auto shop toolbox, and its user-friendly features make it a thoughtful gift for friends and family.
Do You Need a Reliable and Versatile Vehicle Diagnostic Tool?
If you’re like most car owners, the thought of unexpected vehicle issues can be nerve-wracking. Whether you’re a DIY enthusiast, a beginner, or someone who just wants to save on costly mechanic fees, having a dependable tool to diagnose and solve car problems is essential.
That’s where the “FOXWELL Upgrade NT301 Plus with Case with OBD2 Extension Cable” comes in. But is it the right tool for you? Let’s dive into its features to find out!

The Most Versatile Vehicle Doctor
The “FOXWELL Upgrade NT301 Plus” is touted as one of the most versatile car code readers on the market, especially considering it’s an enhanced version of the popular NT301. This tool is designed to cover all NT301 OBD functions and then some! From home car owners to technicians, this device quickly locates common vehicle problems, saving you both time and money.
Additional Battery Test – Helping You Identify Failing Battery
One of the standout features of the NT301 Plus is its ability to conduct a comprehensive battery test.
In just three seconds, you can diagnose battery health, starting, and charging system issues. This is crucial in avoiding roadside breakdowns due to a dead battery. If you’ve ever been stranded with a dead battery, you’ll understand the importance of this feature!
Advanced OBDII Modes & User-Friendly Operation
Ease of use is paramount when it comes to vehicle diagnostic tools, and the NT301 Plus excels in this area. The advanced OBDII modes make it easy to read and clear codes (DTCs), turn off the engine light, and even read live data. Here’s a closer look at what these modes offer:
| Mode | Description |
|---|---|
| Read & Clear Codes (DTCs) | Quickly identify and resolve engine issues by reading and clearing diagnostic trouble codes. |
| Turn Off Engine Light (CEL) | Clear check engine lights to ensure your vehicle is running smoothly. |
| Live Data | Get real-time sensor data in both text and graph formats. |
| Retrieve VIN | Easily pull up your vehicle’s VIN for quick reference. |
| E-VAP Leak Test | Identify evaporative emission system leaks efficiently. |
| On-Board Monitor Test | Run detailed tests to ensure that your vehicle’s systems are functioning correctly. |
This tool also sports a one-click I/M readiness key button, which performs a fast state emissions readiness test. If you’ve ever had to deal with smog checks, you know how essential this feature can be.
More Accurate 12V Battery Analyzer
When it comes to battery diagnostics, the NT301 Plus provides more than just surface-level information. It can display multiple battery conditions such as the State of Health (SOH), State of Charge (SOC), Voltage, Current, and Rating. Here’s how these parameters help:
- SOH (State of Health): Determines overall battery health.
- SOC (State of Charge): Tells how much charge is left.
- Voltage: Indicates the electrical potential.
- Current: Measures the electrical flow.
- Rating: Evaluates the battery’s strength.
The device also features cranking and charging tests. The cranking test analyzes the starter motor’s functionality, while the charging test checks the charging system to avoid overcharging or incomplete charging.

Live Diagnostic Data Streams & Home Necessity Tool
The NT301 Plus isn’t just a diagnostic tool; it also shows live vehicle sensor data in text and graph formats. This allows you to focus on any suspicious or symptom-specific data parameters, making pinpointing issues much easier. And if you’re wondering how to keep track of the data, this device allows playback and printing through a computer, facilitating future repairs.
Is This Tool Worth the Investment?
If you’re on the fence about whether the NT301 Plus is worth it, consider its comprehensive features and ease of use.
This tool is not only versatile but also highly user-friendly. Its advanced diagnostic capabilities can save you countless trips to the mechanic, not to mention the associated costs. For anyone who works on their vehicle or wants to be prepared for unexpected issues, this tool is a solid investment.

Specialty Gift Idea
If you’re searching for a thoughtful and practical gift, look no further. The NT301 Plus makes an excellent gift for friends, family, or anyone who values their vehicle. Given its range of features and diagnostic capabilities, this tool is sure to impress.
Conclusion FOXWELL Upgrade NT301 Plus
The “FOXWELL Upgrade NT301 Plus with Case with OBD2 Extension Cable” offers a blend of versatility, ease of use, and comprehensive diagnostic features.
It’s a valuable tool for any car owner, DIY enthusiast, or technician. Its battery testing capabilities, advanced OBDII modes, and the live data streams make it an essential part of your home or auto shop toolbox.
Don’t wait for problems to arise; stay ahead with the NT301 Plus and ensure your vehicle is always in top-notch condition.
By including the NT301 Plus in your toolkit, you’ll not only be prepared for unexpected issues but also save time and money on vehicle maintenance. Get yours today and experience the convenience and reliability that the NT301 Plus offers.













