SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, vs SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V
Updated July 2026 — SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, wins on design, SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V wins on price and speed.
The Dewalt-compatible grinder offers better speed and value, while the Mwkee model provides adjustable speed features.
Why SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, is better
Adjustable Speed
Mwkee grinder has three speed settings.
Ergonomic Design
Mwkee features anti-slip auxiliary handles.
Heat Dissipation
Mwkee has a ventilation system for extended use.
Why SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V is better
Higher RPM
Dewalt grinder operates at 10,000 RPM.
Lower Price
Dewalt model is $20 cheaper.
Safety Features
Dewalt includes a protective switch and quick-adjust guard.
Overall score
Specifications
| Spec | SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, | SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V |
|---|---|---|
| Max RPM | 8500 | 10000 |
| Weight | 5.5 lbs | 5.0 lbs |
| Motor Type | Brushless | Brushless |
| Battery Type | Mwkee M-18 | Dewalt 20V |
| Price | $69.99 | $49.99 |
Dimension comparison
Overview of the Angle Grinders
The Angle Grinder Cordless for Mwkee M-18 18V Battery is priced at $69.99, while the Cordless Angle Grinder Compatible with Dewalt 20V Max Battery is cheaper at $49.99, making it about 17% less expensive. Both tools are designed for cutting, grinding, and polishing, but they cater to different battery systems. The Mwkee model operates with the Mwkee M-18 battery, while the Dewalt model works with the Dewalt 20V Max battery. Understanding these differences can help potential users make an informed choice based on their existing tools and budget.
Power and Performance Comparison
In terms of performance, the Cordless Angle Grinder compatible with Dewalt 20V Max Battery boasts a maximum speed of 10,000 RPM, compared to the Mwkee model's 8,500 RPM. This 17% higher RPM in the Dewalt-compatible grinder allows for faster cutting and grinding tasks, potentially improving work efficiency for users focused on speed. Both models feature brushless motors, which contribute to their longevity and lower noise levels during operation. However, if speed is a top priority, the Dewalt-compatible model stands out.
Battery Compatibility
The Angle Grinder Cordless for Mwkee M-18 is specifically designed to work with Mwkee M-18 18V batteries, including models such as 48-11-1820 and 48-11-1862. Conversely, the Dewalt model is compatible with Dewalt 20V MAX batteries like DCB200 and DCB205. If you already own one of these battery systems, your choice will likely depend on which grinder is compatible with your existing batteries. For users invested in either brand, this compatibility is crucial.
Safety Features
Safety is paramount when working with power tools, and both grinders come with notable safety features. The Cordless Angle Grinder compatible with Dewalt 20V Max Battery includes a protective switch and a quick-adjust guard, enhancing user safety during operation. It also has a soft start feature that stops the motor 1.5 seconds after releasing the power switch. On the other hand, the Mwkee grinder emphasizes its three-dimensional ventilation heat dissipation system, which allows for extended use without overheating. While both tools prioritize safety, the Dewalt model offers more immediate protective features.
Design and Ergonomics
When it comes to design, both angle grinders offer ergonomic features aimed at enhancing user comfort. The Mwkee model includes an ergonomic grip with anti-slip auxiliary handles for better stability during use. It also features a centrally located switch lock to prevent accidental startups. The Dewalt-compatible model focuses on user adaptability, with an adjustable handle that accommodates both left and right-handed users and an easy spindle lock for wheel changes. The design elements of both grinders cater to user comfort but in different ways, so personal preference may influence the decision.
Versatility of Applications
Both angle grinders are versatile tools suitable for a range of applications, including metal cutting, wood polishing, and surface treatment. The Mwkee grinder offers three speed settings between 3,000 RPM and 8,500 RPM, allowing users to choose the right speed for various tasks. The Dewalt grinder, while lacking adjustable speeds, compensates with its high RPM of 10,000, making it effective for intensive tasks. Users who require the flexibility of different speeds might prefer the Mwkee, while those who prioritize power may lean towards the Dewalt model.
Pricing and Value Proposition
The Angle Grinder Cordless for Mwkee M-18 is priced at $69.99, while the Dewalt-compatible model is available for $49.99. This $20 price difference can be significant for budget-conscious buyers. Despite being cheaper, the Dewalt model does not compromise on performance, offering a higher RPM which can justify its cost. Therefore, while the Mwkee grinder may provide additional features like adjustable speeds, the Dewalt model presents a compelling value proposition with its combination of power and affordability.
Which should you buy?
Choosing between the Angle Grinder Cordless for Mwkee M-18 18V Battery and the Cordless Angle Grinder Compatible with Dewalt 20V Max Battery depends largely on your specific needs and existing battery systems. If you prioritize speed and safety features, the Dewalt model, at $49.99, offers great performance and value. However, if you prefer an adjustable speed feature and already own Mwkee batteries, the Mwkee grinder at $69.99 may be more suitable. Consider your intended tasks, battery compatibility, and budget to make the best choice for your tool collection.

