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DEWALT Angle Grinder, 4. vs FULLYEA Cordless Angle Grinder 4-1/2", Brushless

Updated July 2026 — DEWALT Angle Grinder, 4. wins on motor and weight, FULLYEA Cordless Angle Grinder 4-1/2", Brushless wins on battery and speed.

The DEWALT Angle Grinder excels in power and durability, making it ideal for heavy-duty tasks, while the FULLYEA Cordless Angle Grinder offers portability and affordability for lighter applications.

Why DEWALT Angle Grinder, 4. is better

Power

11-amp motor for heavy-duty tasks

Durability

Includes Dust Ejection System

Warranty

3-year limited warranty

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

Price

$49.99 is significantly cheaper

Portability

Cordless design for freedom of movement

Accessories

Includes batteries and charger

Overall score

DEWALT Angle Grinder, 4.
85
FULLYEA Cordless Angle Grinder 4-1/2", Brushless
70

Specifications

SpecDEWALT Angle Grinder, 4.FULLYEA Cordless Angle Grinder 4-1/2", Brushless
Motor TypeAC/DCBrushless
Max RPM1100012000
Speed Settings13
Dust ManagementYesNo
Included AccessoriesNoneComplete kit

Dimension comparison

DEWALT Angle Grinder, 4.FULLYEA Cordless Angle Grinder 4-1/2", Brushless

Overview of the DEWALT Angle Grinder and FULLYEA Cordless Angle Grinder

The DEWALT Angle Grinder is priced at $94.00, while the FULLYEA Cordless Angle Grinder is significantly cheaper at $49.99, making it about 47% less expensive. Both grinders are designed for cutting and grinding tasks, but they cater to different user needs with distinct features and functionalities.

The DEWALT Angle Grinder (DWE402) features a powerful 11-amp motor that delivers 11,000 RPM, which is ideal for heavy-duty tasks. It also includes a paddle switch for ease of use and safety, making it a popular choice among professionals, as evidenced by its bestseller rank of 3,735. In contrast, the FULLYEA Cordless Angle Grinder offers a brushless motor that can reach speeds of up to 12,000 RPM, providing versatility with three speed settings for various applications. Its lower price point may appeal to casual users or those on a budget.

Power and Performance

When it comes to power, the DEWALT Angle Grinder stands out with its 11-amp motor, providing reliable performance for demanding tasks. It operates at 11,000 RPM, making it suitable for both professionals and DIY enthusiasts who require consistent performance. The ability to handle tough materials makes it a reliable choice for various grinding and cutting jobs.

On the other hand, the FULLYEA Cordless Angle Grinder, while offering a slightly higher maximum speed of 12,000 RPM, is powered by a brushless motor that enhances efficiency and extends battery life. Its three-speed settings (high, medium, and low) allow users to adapt to different tasks, which is a considerable advantage for those who need flexibility. However, it may lack the heavy-duty capabilities of the DEWALT model for more rigorous applications.

Design and Ergonomics

In terms of design, the DEWALT Angle Grinder boasts an ergonomic compact design that ensures a comfortable grip, ideal for prolonged use. It features a uniquely small gripping surface and a newly designed side handle that enhances usability. The One-Touch Guard allows easy 360-degree rotation, promoting convenience during operation.

Conversely, the FULLYEA Cordless Angle Grinder emphasizes portability with its cordless design, enabling users to work without the constraints of power outlets. Its lightweight construction and ergonomic features make it easy to handle in various settings, both indoors and outdoors. However, some users may prefer the stability and durability of a corded model like DEWALT for intensive tasks.

Dust Management and Maintenance

The DEWALT Angle Grinder includes an innovative Dust Ejection System that effectively removes debris and dust, enhancing tool durability and lifespan. This feature is particularly beneficial for maintaining the grinder’s performance over time, as it prevents damaging particles from entering the motor.

The FULLYEA Cordless Angle Grinder does not specifically mention a dust management system, which may be a consideration for users who prioritize cleanliness in their work area. Additionally, the DEWALT model has auto-off brushes that shut down the tool when replacement is needed, preventing damage. While the FULLYEA grinder allows for quick disc changes with its spindle lock, it may require more routine maintenance in environments with heavy dust exposure.

Battery Life and Connectivity

The FULLYEA Cordless Angle Grinder shines with its cordless feature, powered by two 4.0Ah batteries that provide long-lasting operation. This design offers freedom of movement, allowing users to work in various locations without being tethered to a power source. The inclusion of a fast charger also ensures minimal downtime between uses.

In contrast, the DEWALT Angle Grinder operates on a 11-amp power supply, which means it is always ready for use without concerns about battery life. However, this limits its portability compared to the cordless FULLYEA model. For users who frequently work in areas without electrical outlets, the FULLYEA offers a practical solution.

Included Accessories

The FULLYEA Cordless Angle Grinder comes as a complete kit, including three 4-1/2" cutting wheels, two 4.0Ah batteries, a fast charger, and various essential tools and safety equipment. This comprehensive package adds significant value for users who need everything to start working immediately.

In comparison, the DEWALT Angle Grinder is sold as a standalone tool, which may require additional purchases for wheels and other accessories. While it does come with a three-year limited warranty, potential buyers should consider whether they need to invest further in accessories for their grinding tasks.

Price Comparison

The DEWALT Angle Grinder is priced at $94.00, while the FULLYEA Cordless Angle Grinder is available for $49.99. This price difference of approximately $44.01 makes the FULLYEA model about 47% cheaper. For those on a budget or who need a grinder for occasional tasks, the FULLYEA represents a more economical choice. However, the DEWALT model's higher price reflects its robust construction and professional-grade features, which may justify the investment for users with more demanding applications.

Which should you buy?

Choosing between the DEWALT Angle Grinder and the FULLYEA Cordless Angle Grinder largely depends on your specific needs and preferences. If you require a high-performance tool for heavy-duty tasks and prioritize durability, the DEWALT Angle Grinder is the better option, despite its higher price. Its advanced features, including the Dust Ejection System and robust motor, make it suitable for professional use.

However, if you are looking for a more affordable, portable solution and primarily engage in light to moderate tasks, the FULLYEA Cordless Angle Grinder offers excellent versatility with its three-speed settings and included accessories. Ultimately, both grinders have their strengths, but your choice should align with your intended use and budget.