AOBEN Cordless Angle Grinder 4-1/ vs DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch
Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery and length, DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch wins on speed and power.
The AOBEN Cordless Angle Grinder offers portability and efficiency, while the DEWALT Angle Grinder excels in speed and performance.
Why AOBEN Cordless Angle Grinder 4-1/ is better
Battery
Cordless design allows for greater mobility.
Motor Type
Brushless motor provides longer lifespan.
Accessories
Includes two battery packs for extended use.
Why DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch is better
Speed
Higher RPM for faster material removal.
Price
Lower initial cost compared to AOBEN.
Ease of Use
One-Touch guard for quick adjustments.
Overall score
Specifications
| Spec | AOBEN Cordless Angle Grinder 4-1/ | DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch |
|---|---|---|
| Motor Type | Brushless | AC/DC |
| RPM | 9500 | 12000 |
| Battery Life | Long | N/A |
| Guard Adjustment | Manual | One-Touch |
| Weight | 7 lbs | 6 lbs |
Dimension comparison
Overview of the AOBEN Cordless Angle Grinder
The AOBEN Cordless Angle Grinder is priced at $79.99, while the DEWALT Angle Grinder is slightly cheaper at $69.00. This price difference of about 15% may influence buyers looking for budget-friendly options. The AOBEN model features a brushless motor, which contributes to its longer lifespan and more efficient energy consumption compared to traditional motors. This aspect makes it appealing for users who require durability and consistent performance over time.
Key Features of the AOBEN Cordless Angle Grinder
AOBEN’s angle grinder boasts several notable features that enhance its usability. It offers three adjustable speeds, reaching up to 9,500 RPM, making it versatile for metal cutting, grinding, and polishing tasks. The inclusion of two battery packs (4.0Ah) allows for extended use without the constraints of a power cord, making it suitable for both indoor and outdoor projects. Additionally, it comes with two wheel guards for user safety during operations, which is an essential feature for any power tool.
Key Features of the DEWALT Angle Grinder
The DEWALT Angle Grinder offers a robust 7-amp motor that operates at a maximum speed of 12,000 RPM, making it effective for fast material removal. One of its standout features is the One-Touch guard, which allows users to adjust the guard location easily without needing additional tools. This convenience is complemented by a quick-change wheel release that enables tool-free wheel changes. With its ergonomic design and removable side handle, the DEWALT model promises comfort during prolonged use, making it a solid choice for professionals and DIY enthusiasts alike.
Performance Comparison
In terms of performance, the DEWALT Angle Grinder outshines the AOBEN model with its higher RPM rate. This can lead to quicker material removal, which is crucial for time-sensitive projects. However, the AOBEN's brushless motor provides benefits in energy efficiency and longevity, which may appeal to users prioritizing durability and less frequent replacements. The choice between speed and longevity will largely depend on the user’s specific needs and project requirements.
Design and Ergonomics
Both angle grinders prioritize user comfort, but they approach it differently. The AOBEN model is designed for compactness, providing good control during operation. Its dual battery packs ensure that users can work longer without interruptions. On the other hand, the DEWALT Angle Grinder features a slim and ergonomic body that enhances comfort during extended use, along with a two-position removable side handle for better control. Users may find the DEWALT design more suited for prolonged tasks due to its ergonomic emphasis.
Battery vs. Corded Power
A significant distinction between these two tools lies in their power sources. The AOBEN Cordless Angle Grinder operates on a 21V battery system, offering the freedom to work without a power cord and making it ideal for outdoor use. Conversely, the DEWALT Angle Grinder is designed for AC/DC power, necessitating a power source but allowing for uninterrupted operation without worrying about battery life. This factor could be a significant deciding point for users based on their work environment.
Price and Value Proposition
At $79.99, the AOBEN Cordless Angle Grinder is about 15% more expensive than the DEWALT model at $69.00. While the AOBEN offers significant value with its dual battery system and brushless motor, the DEWALT provides excellent performance and features for a lower price, making it a better option for those who prioritize initial costs. Depending on the user’s budget and preferences, either tool could represent a good value in its unique way.
Which should you buy?
Choosing between the AOBEN Cordless Angle Grinder and the DEWALT Angle Grinder hinges on your specific needs. If you require portability and longer battery life, the AOBEN model may be the better fit with its cordless design and brushless motor. However, if you prioritize speed and a lower price point, the DEWALT model stands out with its powerful performance and user-friendly features. Ultimately, both grinders have their strengths, and your choice will depend on whether you value mobility or raw power more in your projects.

