DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM vs FULLYEA Cordless Angle Grinder 4-1/2", Brushless
Updated July 2026 — DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM wins on power and durability, FULLYEA Cordless Angle Grinder 4-1/2", Brushless wins on portability and value.
The DEWALT Angle Grinder is a powerful tool ideal for heavy-duty tasks, while the FULLYEA offers great portability and value for lighter applications.
Why DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM is better
Power
DEWALT has a 13 Amp motor compared to FULLYEA's brushless motor.
Durability
DEWALT is designed for heavy-duty use with sealed bearings.
Performance
DEWALT operates at 8,000 RPM with higher unit watts out.
Why FULLYEA Cordless Angle Grinder 4-1/2", Brushless is better
Portability
FULLYEA is cordless, allowing for greater mobility.
Price
FULLYEA is significantly cheaper at $49.99.
Speed Settings
FULLYEA offers three speed settings for versatility.
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 7-Inch, 13-Amp, 8,000 RPM | FULLYEA Cordless Angle Grinder 4-1/2", Brushless |
|---|---|---|
| Motor | 13 Amp | Brushless |
| RPM | 8000 | 12000 |
| Battery | Corded | 2 x 4.0Ah |
| Weight | 10 lbs | 5 lbs |
| Guard | Adjustable | Fixed |
Dimension comparison
Overview
When comparing the DEWALT Angle Grinder and the FULLYEA Cordless Angle Grinder, the key differences lie in their design and intended usage. The DEWALT model is a powerful corded option best suited for heavy-duty tasks, while the FULLYEA offers cordless convenience for a variety of applications. Priced at $166.02, the DEWALT is significantly more expensive than the FULLYEA, which retails for only $49.99, making it about 70% cheaper.
Power and Performance
The DEWALT Angle Grinder features a robust 13 Amp motor that delivers up to 8,000 RPM, making it ideal for demanding metal grinding and cutting tasks. Its 2,250 UWO (unit watts out) ensures it can handle tough materials efficiently. In contrast, the FULLYEA Cordless Angle Grinder, powered by a brushless motor, can reach up to 12,000 RPM, showcasing its higher speed capabilities. The flexibility of three speed settings—high (12,000 RPM), medium (9,000 RPM), and low (6,000 RPM)—allows users to tailor the grinder's performance to specific tasks.
Portability and Convenience
The FULLYEA Cordless Angle Grinder excels in portability, allowing users to operate without the constraints of power cords. This feature makes it suitable for both indoor and outdoor use, offering freedom of movement. However, the DEWALT model, being corded, requires a power source but provides consistent power without the need for battery replacements. For those needing mobility, the FULLYEA's design is a significant advantage.
User Experience
When it comes to user experience, both grinders offer features aimed at enhancing control and safety. The DEWALT grinder includes an adjustable guard to redirect sparks away from the user, which is critical for safe operation. It also features a spindle lock for quick wheel changes. Conversely, the FULLYEA model boasts a spindle lock as well, facilitating faster disc replacements, and comes with a complete set including batteries and a charger. This added value makes the FULLYEA particularly appealing for hobbyists or those tackling various projects.
Battery and Runtime
The FULLYEA Angle Grinder comes with two 4.0Ah batteries, ensuring extended runtime and enabling users to work without interruptions. In contrast, the DEWALT grinder relies on a constant power supply from an outlet, which eliminates battery concerns but limits mobility. Users who prefer the flexibility of a cordless tool will appreciate the FULLYEA's battery setup, while those focused on heavy-duty applications may prefer the uninterrupted power of the DEWALT.
Durability and Build Quality
The DEWALT Angle Grinder is designed for heavy-duty use, featuring sealed ball and roller bearings to keep debris out and ensure longevity. Its construction reflects a commitment to durability, making it suitable for professional environments. On the other hand, the FULLYEA grinder, while built to be portable and efficient, may not match the ruggedness of the DEWALT. Users should consider the intended usage; the DEWALT is ideal for frequent, intense tasks, while the FULLYEA serves well for occasional projects.
Price Comparison
At $166.02, the DEWALT Angle Grinder is a premium product within the angle grinder category, reflecting its heavy-duty capabilities and brand reputation. In contrast, the FULLYEA Cordless Angle Grinder is priced at $49.99, making it approximately 70% cheaper. The price difference may lead budget-conscious buyers to favor the FULLYEA, especially for less intensive applications. However, investing in the DEWALT could deliver better performance and durability for more demanding tasks.
Which should you buy?
Choosing between the DEWALT Angle Grinder and the FULLYEA Cordless Angle Grinder ultimately depends on your specific needs. If you require a powerful, durable tool for heavy-duty tasks, the DEWALT model is the better choice despite its higher price. However, for those seeking a versatile and cost-effective solution for lighter jobs, the FULLYEA offers excellent value and convenience. Consider your usage patterns, budget, and the importance of portability to make the best decision for your projects.

