AOBEN Cordless Angle Grinder 4-1/ vs DEWALT 20V MAX* XR Angle Grinder with Brake,
Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on speed and battery, DEWALT 20V MAX* XR Angle Grinder with Brake, wins on rank and price.
The AOBEN Cordless Angle Grinder offers great value for budget-conscious users, while the DEWALT 20V MAX XR Angle Grinder excels in safety and performance.
Why AOBEN Cordless Angle Grinder 4-1/ is better
Price
AOBEN is significantly cheaper at $79.99.
Battery
Includes two 4.0Ah batteries for extended use.
Speed
Offers a maximum speed of 9,500 RPM.
Why DEWALT 20V MAX* XR Angle Grinder with Brake, is better
Safety
Features a brake that stops the wheel in 2 seconds.
Durability
Brushless motor requires no maintenance.
Brand
DEWALT is a well-known brand with a strong reputation.
Overall score
Specifications
| Spec | AOBEN Cordless Angle Grinder 4-1/ | DEWALT 20V MAX* XR Angle Grinder with Brake, |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Brake | No | Yes |
| Trigger Type | Standard | Two-stage |
| Warranty | 1 Year | 3 Years |
| Guard Type | 2 Guards | 1 Guard |
Dimension comparison
Overview of AOBEN Cordless Angle Grinder
The AOBEN Cordless Angle Grinder 4-1/2 inch is priced at $79.99, making it a budget-friendly option in the angle grinder category. This tool is equipped with a brushless motor, providing longer life span and enhanced performance compared to traditional motors. With a sales rank of 15,649, it stands out as a competitive choice among its peers. The grinder offers three adjustable speeds, reaching up to 9,500 RPM, suitable for various applications like metal cutting and grinding. Additionally, it comes with two 4.0Ah batteries and a charger, allowing for extended use without the hassle of cords.
Overview of DEWALT 20V MAX XR Angle Grinder
The DEWALT 20V MAX* XR Angle Grinder with Brake is a premium tool priced at $222.51. This grinder features a brushless motor that eliminates the need for brush changes, contributing to its durability. Although it has a higher bestseller rank of 77,304, it provides advanced safety features, such as a brake that stops the wheel in two seconds or less, enhancing operator safety during use. The tool also includes a no-volt release function, which prevents accidental activation after a power outage, making it a reliable choice for serious users.
Performance Comparison
When it comes to performance, the AOBEN grinder offers a maximum speed of 9,500 RPM, which is suitable for various tasks including grinding and cutting. This makes it a versatile tool for both professionals and DIY enthusiasts. Conversely, the DEWALT grinder's brake feature is a significant advantage, as it quickly stops the wheel, reducing the risk of injury. Moreover, the DEWALT’s brushless motor is designed for longevity and requires no maintenance, which can save time and effort over its lifespan. While the AOBEN provides solid performance for its price, the DEWALT’s advanced safety features make it more suitable for high-demand applications.
Battery and Runtime
The AOBEN Cordless Angle Grinder comes with two 4.0Ah batteries, ensuring extended runtime for continuous operation without being tethered to a power outlet. This is particularly beneficial for outdoor tasks or in job sites without easy access to power. On the other hand, the DEWALT grinder is a tool-only model, meaning users need to purchase batteries separately if they don’t already own them. While the DEWALT may offer superior performance, the AOBEN's additional batteries enhance its value proposition, especially for users who require mobility and extended use on the job.
User Experience and Comfort
In terms of user experience, the AOBEN grinder is designed with a compact and handy structure, making it feel comfortable during operation. It features two wheel guards for added safety, protecting users from flying sparks and debris. The DEWALT grinder, with its two-stage trigger system, adds an extra layer of safety by requiring two actions to activate the tool. This thoughtful design caters to professional users who prioritize safety and control. While both grinders accommodate user comfort, the DEWALT's safety features may appeal more to those working in demanding environments.
Price-to-Value Assessment
At a price of $79.99, the AOBEN Cordless Angle Grinder is about 64% cheaper than the DEWALT grinder, which costs $222.51. For users on a budget or those who require a reliable tool for occasional use, the AOBEN offers excellent value. However, the premium pricing of the DEWALT reflects its advanced features, safety enhancements, and superior build quality. Therefore, the decision hinges on whether users prioritize cost savings or are willing to invest more for enhanced performance and safety.
Brand Reputation and Support
AOBEN and DEWALT are both reputable brands in the power tools market. AOBEN provides a practical kit with a strong focus on user support, including after-sale service. Conversely, DEWALT is well-known for its high-quality tools and robust customer service, making it a trusted choice among professionals. Although the AOBEN grinder has a lower sales rank compared to DEWALT, its affordability and included accessories may attract casual users. For those who prioritize brand recognition and support, DEWALT's reputation may sway their purchasing decision.
Which should you buy?
In conclusion, the choice between the AOBEN Cordless Angle Grinder and the DEWALT 20V MAX XR Angle Grinder ultimately depends on individual needs and budget. If you are looking for an affordable tool that provides decent performance and comes with batteries, the AOBEN grinder is a great option. However, if safety features and long-term durability are your priorities, the DEWALT grinder, despite its higher price, offers advanced features that justify the investment. Consider your specific applications and how often you plan to use the tool to make the best decision for your needs.

