vsversusfinder

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

Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - wins on weight and durability, FULLYEA Cordless Angle Grinder 4-1/2", Brushless wins on speed and value.

The DEWALT grinder offers superior performance and durability, while the FULLYEA grinder is a budget-friendly option with decent features.

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

Performance

Higher torque and consistent power for heavy-duty tasks.

Durability

Built to withstand professional use.

Safety Features

Includes anti-rotation system for added safety.

Why FULLYEA Cordless Angle Grinder 4-1/2", Brushless is better

Price

Significantly lower cost.

Included Accessories

Comes with two batteries and a charger.

Portability

Lightweight and easy to handle.

Overall score

DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -
85
FULLYEA Cordless Angle Grinder 4-1/2", Brushless
65

Specifications

SpecDEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. -FULLYEA Cordless Angle Grinder 4-1/2", Brushless
Motor TypeBrushlessBrushless
Max RPM900012000
Batteries IncludedNo2
Weight10 lbs5 lbs
Variable SpeedYesYes

Dimension comparison

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

Overview of the DEWALT 20V MAX* XR Brushless Cordless Grinder

The DEWALT 20V MAX* XR Brushless Cordless Grinder is a powerful tool designed for demanding grinding tasks. Priced at $221.71, it is part of DEWALT's most advanced line of angle grinders. This grinder features a brushless motor that provides up to 1,640 MWO and a no-load speed of 9,000 RPM, making it suitable for various applications. Additionally, it includes user-friendly features like variable speed control and an anti-rotation system, ensuring optimal performance and safety.

Overview of the FULLYEA Cordless Angle Grinder

The FULLYEA Cordless Angle Grinder is a budget-friendly alternative priced at $49.99. This grinder offers a brushless motor capable of reaching speeds up to 12,000 RPM, providing ample power for cutting and grinding tasks. It comes with two 4.0Ah batteries and a charger, making it a comprehensive package for users who need a portable and efficient tool. The FULLYEA grinder also features three speed settings, allowing users to adjust the speed according to their specific needs.

Performance Comparison

When it comes to performance, the DEWALT grinder excels in delivering consistent power with its brushless motor that offers 1,640 MWO and a maximum speed of 9,000 RPM. This performance is tailored for heavy-duty jobs. In contrast, the FULLYEA grinder boasts a higher top speed of 12,000 RPM, which may appeal to those looking for faster grinding capabilities. However, the DEWALT's focus on user control and safety features, such as the anti-rotation system, adds a level of reliability that is crucial for demanding tasks.

Battery and Charging Options

The battery and charging options differ significantly between the two grinders. The FULLYEA grinder comes with two 4.0Ah batteries and a fast charger, offering users extended runtime and convenience right out of the box. This is especially beneficial for users who need to work for prolonged periods without interruption. Conversely, the DEWALT grinder is sold as a tool-only option, requiring users to purchase batteries and a charger separately. This increases the total investment for those who do not already own compatible DEWALT batteries.

User-Friendly Features

The DEWALT grinder is designed with advanced user-friendly features, including a variable speed functionality that allows users to adjust the wheel speed to suit different materials. This flexibility enhances performance across a range of applications. Moreover, it includes a wireless tool control system that allows integration with compatible DEWALT dust extractors. On the other hand, the FULLYEA grinder features a spindle lock for quick disc changes and three adjustable speed settings, which add to its versatility but lack the advanced connectivity options found in the DEWALT model.

Build Quality and Design

DEWALT is widely recognized for its durable and robust tools, and the DEWALT grinder is no exception. Built to withstand the rigors of professional use, it features a sturdy design that promotes longevity. The ergonomic paddle switch design enhances user comfort during extended use. The FULLYEA grinder, while designed to be portable and efficient, may not match the same level of durability as DEWALT. However, its compact design and lighter weight make it an attractive option for casual users or those needing a tool for less intensive tasks.

Price and Value

The DEWALT grinder is priced at $221.71, which is substantially higher than the FULLYEA grinder's price of $49.99. This represents a cost difference of about 344%, which reflects the DEWALT's advanced features and performance capabilities. While the FULLYEA grinder provides great value for those on a budget, particularly with its included batteries and charger, the DEWALT grinder offers a level of performance and reliability that may justify its higher price for professional users or serious DIYers.

Which should you buy?

Choosing between the DEWALT 20V MAX* XR Brushless Cordless Grinder and the FULLYEA Cordless Angle Grinder ultimately depends on your specific needs and budget. If you are a professional or someone who frequently tackles tough grinding tasks, the DEWALT grinder's superior performance, durability, and safety features may be worth the investment. However, if you are a casual user or on a tight budget, the FULLYEA grinder provides an excellent entry-level option with adequate power and versatility for lighter applications. Consider your usage patterns and whether the advanced features of the DEWALT justify its higher price before making a decision.