DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, vs GEARWAVE Cordless Angle Grinder with Battery 2X
Updated July 2026 — DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, wins on power and safety, GEARWAVE Cordless Angle Grinder with Battery 2X wins on price and runtime.
The DEWALT FLEXVOLT ADVANTAGE offers superior power and safety features, making it ideal for professionals, while the GEARWAVE provides a budget-friendly option for casual users.
Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, is better
Power
DEWALT delivers up to 54% more power with FLEXVOLT batteries.
Safety
DEWALT includes advanced safety features like Kickback Brake.
Brand Reputation
DEWALT is well-known for high-quality power tools.
Why GEARWAVE Cordless Angle Grinder with Battery 2X is better
Price
GEARWAVE is significantly cheaper at $55.99.
Included Accessories
GEARWAVE comes with two batteries and a charger.
Speed Options
GEARWAVE offers three adjustable speeds.
Overall score
Specifications
| Spec | DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, | GEARWAVE Cordless Angle Grinder with Battery 2X |
|---|---|---|
| Max RPM | 9000 | 10000 |
| Battery Included | No | Yes |
| Motor Type | Brushless | Brushless |
| Weight | Not specified | Not specified |
| Speed Settings | 1 | 3 |
Dimension comparison
Overview
When it comes to cordless angle grinders, the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the GEARWAVE Cordless Angle Grinder offer distinct features and capabilities suited for different users. The DEWALT grinder, priced at $144.50, is designed for professionals seeking high power and advanced safety features, while the GEARWAVE grinder comes at a more budget-friendly price of $55.99, targeting DIY enthusiasts and casual users.
Power and Performance
The DEWALT FLEXVOLT ADVANTAGE is engineered for superior power, delivering up to 54% more when paired with FLEXVOLT batteries compared to standard 20V MAX* batteries. It boasts a maximum output of 1,550 watts and an impressive speed of 9,000 RPM. In contrast, the GEARWAVE grinder's upgraded brushless motor reaches a maximum speed of 10,000 RPM, making it capable of handling a variety of tasks such as cutting and grinding. While the DEWALT offers a robust performance for heavy-duty applications, the GEARWAVE's higher RPM may appeal to users needing faster operation for lighter tasks.
Battery and Runtime
The GEARWAVE grinder includes two 5.0Ah batteries, providing extended runtime for users working on larger projects without the worry of recharging frequently. In comparison, the DEWALT grinder operates on FLEXVOLT batteries, which can offer up to 54% more runtime when utilized effectively. However, it is important to note that the DEWALT tool is sold as a "tool only," meaning batteries and charger must be purchased separately. The GEARWAVE's inclusion of batteries and charger in the package provides added value, especially for users looking for a complete solution right out of the box.
Weight and Design
Weight and ergonomics can significantly affect user experience, especially during prolonged use. The DEWALT grinder is engineered with features like the Kickback Brake and E-CLUTCH system, enhancing safety during operation. Meanwhile, the GEARWAVE grinder features a spindle lock for easier wheel changes and an auxiliary handle for improved control and comfort. While exact weights are not provided, the DEWALT's safety features may make it more appealing for professional users who prioritize stability and control in demanding environments.
Versatility and Features
The DEWALT grinder is compatible with all DEWALT 20V MAX* and FLEXVOLT batteries, making it a versatile addition to existing tool collections. It also features a Tool Connect Chip pocket, allowing for easy asset management on job sites. On the other hand, the GEARWAVE grinder offers three adjustable speeds, ranging from 5,000 to 10,000 RPM, allowing users to tailor their speed according to the task at hand. This flexibility makes the GEARWAVE grinder suitable for various applications, from grinding metal to surface preparation.
Safety Features
Safety is paramount in power tools, and both grinders incorporate important safety features. The DEWALT grinder includes the E-Switch Protection, which requires the trigger switch to be cycled after a power outage, ensuring user safety. Additionally, the Kickback Brake quickly stops the wheel to prevent accidents during bind-ups. Conversely, the GEARWAVE grinder also emphasizes safety with its smart chip that protects against overload and overheating. However, the DEWALT's advanced safety mechanisms may make it a preferable choice for professionals who demand higher safety standards in their tools.
Sales Rank and Popularity
In terms of market performance, the DEWALT grinder holds a sales rank of 14,755, indicating a solid popularity among users seeking high-quality power tools. The GEARWAVE, with a sales rank of 49,124, may not have the same level of recognition but provides an attractive option for cost-conscious consumers. The DEWALT grinder's established brand reputation in the professional market may influence buyers looking for reliability and proven performance.
Price Comparison
The pricing of these two angle grinders reflects their target markets and features. The DEWALT FLEXVOLT ADVANTAGE is available for $144.50, while the GEARWAVE is significantly cheaper at $55.99, which is about 61% less than its competitor. This substantial price difference may sway budget-conscious buyers toward the GEARWAVE, especially those who do not require the high-end features of the DEWALT grinder.
Which should you buy?
Choosing between the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the GEARWAVE Cordless Angle Grinder ultimately depends on your specific needs. If you are a professional or someone who regularly engages in heavy-duty tasks and values safety features and high power, the DEWALT grinder is the superior choice despite its higher price. Conversely, if you are a casual user or a DIY enthusiast looking for a reliable, budget-friendly option that still delivers solid performance, the GEARWAVE grinder is an excellent alternative.

