DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ vs SEESII Cordless Mini Angle Grinder: 3-Inch
Updated July 2026 — DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ wins on durability and speed, SEESII Cordless Mini Angle Grinder: 3-Inch wins on weight and price.
The DEWALT 20V MAX* Angle Grinder excels in performance and safety features, making it ideal for heavy-duty tasks, while the SEESII offers great value for lighter applications.
Why DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ is better
Performance
DEWALT has a higher speed and advanced safety features.
Durability
DEWALT's robust design is built for heavy-duty use.
Brand Reputation
DEWALT is well-regarded in the professional market.
Why SEESII Cordless Mini Angle Grinder: 3-Inch is better
Price
SEESII is significantly cheaper.
Weight
SEESII is lighter and more portable.
Accessories
SEESII includes multiple discs for versatility.
Overall score
Specifications
| Spec | DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ | SEESII Cordless Mini Angle Grinder: 3-Inch |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Max RPM | N/A | 19000 |
| Power | N/A | 210W |
| Battery Included | No | Yes |
| Kickback Brake | Yes | No |
Dimension comparison
Price Comparison
The DEWALT 20V MAX* Angle Grinder is priced at $249.00, while the SEESII Cordless Mini Angle Grinder costs $59.99. This makes the SEESII model about 76% cheaper than the DEWALT grinder. For those on a budget or who need a tool for light tasks, the SEESII offers significant savings. However, the DEWALT's higher price reflects its robust features and capabilities, which may justify the cost for professionals or serious DIY enthusiasts.
Performance and Power
When it comes to performance, the DEWALT grinder features a brushless motor that provides a longer motor life and requires no brush changes. Its robust design allows the grinder to stop the wheel in 2 seconds or less, enhancing user safety. In contrast, the SEESII grinder also has a brushless motor, but it operates at a maximum speed of 19,000 RPM and delivers a power of 210W. While both grinders utilize advanced motor technology, the DEWALT grinder’s performance metrics suggest it may handle tougher applications more effectively.
Safety Features
Safety is paramount in power tools, and both grinders offer unique safety features. The DEWALT grinder includes a Kickback Brake that engages during pinch, stall, or bind-up events, stopping the wheel quickly and reducing kickback to protect the user. Additionally, its E-Switch Protection requires a two-stage trigger to activate, reducing the risk of accidental start-ups. On the other hand, the SEESII grinder has an enhanced safety system that includes overheat and overload protection, ensuring safe operation during extended use. While both tools prioritize safety, the DEWALT's advanced mechanisms may provide a higher level of protection in demanding conditions.
Design and Usability
The DEWALT grinder is designed with a paddle switch for easy operation, while the SEESII grinder boasts a lightweight and compact design, weighing only 1.85 lbs. This makes the SEESII particularly advantageous for extended projects where user fatigue might be a concern. The DEWALT grinder, while heavier, is still manageable and provides a comfortable grip. Ultimately, the choice between the two may depend on whether you prioritize portability or a more robust tool built for heavy-duty tasks.
Battery Life and Power Source
The DEWALT model is a tool-only product, meaning the battery and charger must be purchased separately, which can increase the overall cost. The SEESII grinder, however, comes with two 21V 2.0Ah lithium batteries included in the package, allowing for convenient cordless use without additional investment. This could be a significant deciding factor for users looking for a complete set at a lower initial price. While DEWALT offers the potential for longer battery life with its dedicated battery options, the SEESII provides immediate usability right out of the box.
Versatility and Accessories
In terms of versatility, the SEESII grinder includes a comprehensive kit with various discs for cutting, grinding, and polishing, making it an all-in-one solution for DIY tasks. It comes with four cutting blades, one grinding wheel blade, one saw wood blade, and one stone cutting blade. The DEWALT grinder, while not bundled with additional accessories, is designed for high-performance cutting and grinding but may require purchasing separate discs. For users focusing on diverse applications, the SEESII's broad range of included accessories could be more appealing.
Customer Ratings and Popularity
The DEWALT grinder has a sales rank of 1,826, indicating it is well-regarded among buyers, particularly in the professional market. The SEESII grinder, on the other hand, has a sales rank of 59,855, suggesting it may not be as popular or trusted for heavy-duty tasks. While both tools have their merits, the DEWALT's higher ranking could reflect its reputation for reliability and performance in serious applications, making it a preferred choice for professionals.
Which should you buy?
Choosing between the DEWALT 20V MAX* Angle Grinder and the SEESII Cordless Mini Angle Grinder ultimately depends on your specific needs and budget. If you require a powerful, durable tool that excels in heavy-duty applications, the DEWALT grinder is worth the investment at $249.00. However, if you are looking for a cost-effective, lightweight option for lighter tasks, the SEESII grinder at $59.99 offers excellent value. Consider your usage requirements, safety preferences, and whether you need included accessories before making your final decision.

