DEWALT 20V MAX* XR Angle Grinder with Brake, vs FULLYEA Cordless Angle Grinder 4-1/2", Brushless
Updated July 2026 — DEWALT 20V MAX* XR Angle Grinder with Brake, wins on rank and price, FULLYEA Cordless Angle Grinder 4-1/2", Brushless wins on speed and battery.
The DEWALT grinder offers superior safety features and performance, making it ideal for professionals, while the FULLYEA grinder is a budget-friendly option for casual users.
Why DEWALT 20V MAX* XR Angle Grinder with Brake, is better
Safety Features
DEWALT has advanced safety mechanisms including a quick-stop brake.
Durability
DEWALT is designed for heavy-duty tasks with robust construction.
Performance
DEWALT's brushless motor is optimized for longevity and efficiency.
Why FULLYEA Cordless Angle Grinder 4-1/2", Brushless is better
Price
FULLYEA is significantly cheaper at $49.99.
Included Accessories
FULLYEA comes with two batteries and a complete kit.
Speed Settings
FULLYEA offers three adjustable speed settings for versatility.
Overall score
Specifications
| Spec | DEWALT 20V MAX* XR Angle Grinder with Brake, | FULLYEA Cordless Angle Grinder 4-1/2", Brushless |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Brake Feature | Yes | No |
| RPM | 9000 | 12000 |
| Included Batteries | No | 2 |
| Trigger Type | Two-Stage | Single |
Dimension comparison
Overview of the DEWALT Angle Grinder
The DEWALT 20V MAX* XR Angle Grinder with Brake is designed for professional-grade performance, featuring a brushless motor that eliminates the need for brush changes. Priced at $222.51, it offers advanced safety features like a brake that stops the wheel in 2 seconds or less on average. This model has a sales rank of 77,304, indicating its popularity among users seeking durability and reliability in their tools.
The DEWALT grinder is particularly well-suited for heavy-duty tasks, thanks to its robust construction and safety features. Its Kickback Brake activates maximum force to stop the wheel during potential stalls or binds, making it a safe choice for users who prioritize safety alongside performance.
Overview of the FULLYEA Angle Grinder
The FULLYEA Cordless Angle Grinder 4-1/2" is a budget-friendly option priced at just $49.99, making it about 78% cheaper than the DEWALT model. It features a brushless motor capable of reaching speeds up to 12,000 RPM and includes two 4.0Ah batteries, enhancing its convenience for extended use. With a sales rank of 50,124, it appeals to DIY enthusiasts and casual users looking for a capable yet affordable tool.
This model stands out for its versatility, offering three speed settings (high, medium, and low) to accommodate various cutting and grinding needs. The inclusion of additional batteries and accessories makes it an attractive package for users seeking value without sacrificing performance.
Performance Comparison
In terms of performance, the DEWALT grinder excels with its brushless motor designed for longevity and efficiency, while the FULLYEA grinder offers impressive speed with its 12,000 RPM capability. However, the DEWALT’s brake feature, which stops the wheel in 2 seconds or less, provides an essential safety advantage that is particularly beneficial for professionals working in demanding environments.
While both tools are equipped with brushless motors, the DEWALT grinder's advanced safety mechanisms may make it a better choice for heavy-duty applications. On the other hand, the FULLYEA grinder's speed settings provide users with more flexibility for different tasks, appealing to those who may not need the high-end features of the DEWALT model.
Battery and Runtime
The DEWALT grinder is sold as a tool-only option, meaning you will need to purchase batteries separately, potentially increasing the total cost for users who do not already own compatible batteries. In contrast, the FULLYEA angle grinder comes with two 4.0Ah batteries included in the package, providing immediate usability and extended runtime. This feature is particularly appealing for users who seek a complete kit without additional investments.
The inclusion of two batteries also ensures that the FULLYEA grinder can be used continuously without downtime to recharge, making it a practical choice for those working on extensive projects or in areas without easy access to power sources.
Ease of Use
The FULLYEA grinder is designed for user-friendliness, with features like a spindle lock for easy disc changes and a lightweight design that enhances portability. Its cordless nature allows for greater freedom of movement during operations, making it suitable for both indoor and outdoor projects.
In contrast, while the DEWALT grinder offers advanced safety features, its heavier construction may make it less user-friendly for some casual users. The two-stage trigger mechanism requires users to perform two actions to activate the tool, which can be a consideration for those who prioritize quick access to power.
Safety Features
Safety is a major consideration for both grinders, but they approach it differently. The DEWALT model includes a brake that stops the wheel quickly, which can prevent accidents and injuries during operation. It also features a POWER-LOSS RESET function, ensuring that the tool does not restart unexpectedly after a power outage, adding another layer of safety.
On the other hand, while the FULLYEA grinder does not mention specific safety features, its three-speed settings allow users to control the speed according to the task at hand, which can help prevent misuse and potential accidents. Nevertheless, the DEWALT grinder’s safety mechanisms provide superior protection for professionals operating in high-risk environments.
Price Comparison
The price difference between the two grinders is significant. The DEWALT grinder is priced at $222.51, while the FULLYEA grinder is available for just $49.99. This makes the FULLYEA model about 78% cheaper, appealing to those on a tight budget or those who only require an angle grinder for occasional use.
However, the DEWALT grinder’s higher price reflects its professional-grade features and durability, making it a worthwhile investment for serious users who need reliability and advanced safety features in their tools. Ultimately, the choice will depend on the buyer's specific needs and budget.
Which should you buy?
When deciding between the DEWALT 20V MAX* XR Angle Grinder and the FULLYEA Cordless Angle Grinder, the choice largely depends on your intended use and budget. If you are a professional or a serious DIY enthusiast who values advanced safety features, durability, and performance, the DEWALT grinder is the superior option, despite its higher price of $222.51.
However, if you are a casual user or a beginner looking for a reliable and affordable tool for less demanding tasks, the FULLYEA grinder at $49.99 presents an excellent value, especially with its included batteries and three-speed settings. Ultimately, both grinders have their merits, but understanding your specific needs will guide you to the right choice for your projects.

