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DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - vs FULLYEA Cordless Angle Grinder 4-1/

Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - wins on price, FULLYEA Cordless Angle Grinder 4-1/ wins on sales rank and rpm.

The DEWALT grinder offers superior performance and reliability, while the FULLYEA grinder provides excellent value for budget-conscious users.

Why DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - is better

Performance

Higher RPM and MWO for tough jobs

Brand Reputation

Trusted brand among professionals

Control Features

Anti-rotation system enhances safety

Why FULLYEA Cordless Angle Grinder 4-1/ is better

Price

Significantly lower cost

Included Accessories

Comes with batteries and charger

Speed Settings

Three adjustable speeds for versatility

Overall score

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -
85
FULLYEA Cordless Angle Grinder 4-1/
72

Specifications

SpecDEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -FULLYEA Cordless Angle Grinder 4-1/
Motor TypeBrushlessBrushless
Variable SpeedYesYes
Battery IncludedNoYes
WeightN/AN/A
Warranty3 Years1 Year

Dimension comparison

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -FULLYEA Cordless Angle Grinder 4-1/

Introduction to the Angle Grinders

When it comes to choosing an angle grinder, two strong contenders are the DEWALT 20V MAX* XR Brushless Cordless Grinder and the FULLYEA Cordless Angle Grinder. The DEWALT grinder is priced at $221.71, while the FULLYEA model comes in at a significantly lower price of $46.99, making it about 79% cheaper. Both tools offer unique features suited for different users, but which one is right for your needs?

Performance Comparison

The DEWALT grinder boasts a powerful brushless motor that delivers up to 1,640 MWO and 9,000 RPM, making it capable of handling tough jobs effectively. In contrast, the FULLYEA grinder features an upgraded brushless motor with a no-load speed of up to 12,000 RPM, which allows for quicker tasks and potentially greater efficiency. While the DEWALT offers variable speed functionality for optimal performance across various materials, the FULLYEA model has three speed settings (0-6000/9000/12000 RPM) to cater to different applications. Thus, if high RPM is crucial to your work, the FULLYEA grinder may have the edge.

Battery and Power Source

The DEWALT grinder is sold as a tool only, meaning you will need to purchase the battery and charger separately. This can add to the overall cost, making the grinder less attractive for users looking for a complete package. On the other hand, the FULLYEA grinder comes with two 4.0Ah batteries and a fast charger, providing immediate usability and longer working time outdoors by swapping batteries. With the FULLYEA, you not only get more value upfront but also the convenience of extended operation without the hassle of additional purchases.

Ergonomics and Design

Both grinders offer ergonomic designs, but they cater to different user preferences. The DEWALT grinder features an anti-rotation system that enhances control and safety, which is critical for professional use. Meanwhile, the FULLYEA grinder includes a rotating safety guard and dual non-slip auxiliary handles, ensuring stability and comfort for both right- and left-handed users. If user comfort and safety during operation are a priority, the FULLYEA's ergonomic features provide a distinct advantage.

Versatility in Use

The DEWALT grinder is part of the brand's most powerful line of 20V MAX* angle grinders, designed for a wide range of applications. Its variable speed allows users to adjust the wheel speed according to the material being worked on, making it versatile for various tasks. Conversely, the FULLYEA grinder is marketed for multiple applications, including grinding metal, rust removal, and surface preparation, thanks to its three-speed settings. This flexibility makes it suitable for DIY enthusiasts and light professional work. However, the DEWALT's reputation for performance may appeal more to seasoned professionals seeking reliability.

Price and Value for Money

While the DEWALT grinder is priced at $221.71, the FULLYEA grinder is a much more budget-friendly option at $46.99. This represents a price difference of about $174.72, or approximately 79%. Although the DEWALT grinder is positioned as a premium product, the FULLYEA offers considerable value for those who need an effective angle grinder without the financial commitment. Users on a budget or those new to angle grinding will likely find the FULLYEA to be an attractive option.

Sales Rank Insights

The DEWALT grinder has a sales rank of 19,912, indicating its popularity among users who trust the brand's quality and performance. In contrast, the FULLYEA grinder has a higher sales rank of 58,729, suggesting that it may not be as widely recognized or preferred. This difference in sales rank can be a reflection of the brand's reputation and the perceived quality among professional users, which could influence purchasing decisions for those looking for reliability.

Which should you buy?

In conclusion, choosing between the DEWALT 20V MAX* XR Brushless Cordless Grinder and the FULLYEA Cordless Angle Grinder largely depends on your specific needs and budget. If you're a professional who demands high performance and reliability, the DEWALT grinder, despite its higher price, may be worth the investment. However, for hobbyists or those seeking a cost-effective solution, the FULLYEA grinder provides excellent value with its included accessories and decent performance. Ultimately, evaluate your requirements to determine which grinder aligns best with your tasks and budget.