SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V vs SEESII Cordless Mini Angle Grinder: 3-Inch
Updated July 2026 — SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V wins on weight and disc size, SEESII Cordless Mini Angle Grinder: 3-Inch wins on price and rpm.
The SEESII Cordless Mini Angle Grinder offers higher RPM and includes batteries, making it a better choice for detailed work, while the SpomacGek is more budget-friendly for larger projects.
Why SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V is better
Price
SpomacGek is cheaper at $49.99
Compatibility
Compatible with Dewalt 20V MAX batteries
Safety Features
Quick shutdown feature enhances safety
Why SEESII Cordless Mini Angle Grinder: 3-Inch is better
Speed
SEESII operates at 19000 RPM
Weight
SEESII is lighter at 1.85 lbs
Included Accessories
SEESII comes with batteries and multiple discs
Overall score
Specifications
| Spec | SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V | SEESII Cordless Mini Angle Grinder: 3-Inch |
|---|---|---|
| Brand | SpomacGek | Seesii |
| Power | 10000 RPM | 19000 RPM |
| Batteries | None | 2 pcs 21V |
| Weight | 5 lbs | 1.85 lbs |
| Safety Features | Quick shutdown | Overheat protection |
Dimension comparison
Overview
When it comes to cordless angle grinders, two notable contenders are the Cordless Angle Grinder Compatible with Dewalt 20V Max Battery by SpomacGek and the SEESII Cordless Mini Angle Grinder. Priced at $49.99 and $59.99 respectively, these tools cater to different user needs with varying features. The SpomacGek grinder is designed for larger projects with a 4-1/2 inch disc, while the SEESII offers a compact 3-inch option, making it suitable for detailed work.
Performance
The performance of these grinders varies significantly, with the SEESII providing a higher RPM. The SEESII Cordless Mini Angle Grinder achieves an impressive 19,000 RPM, making it highly effective for cutting and polishing tasks. In contrast, the SpomacGek model operates at 10,000 RPM, which is more than adequate for general cutting and grinding. This 90% increase in speed makes the SEESII particularly appealing for users who require quick results in tougher materials.
Design and Build Quality
In terms of design, the SEESII Cordless Mini Angle Grinder is lightweight, weighing only 1.85 lbs, which facilitates one-handed operation. This is ideal for extended use without fatigue. The SpomacGek grinder, while slightly heavier, features an adjustable side handle for comfort during operation. Both grinders are designed with user safety in mind, with the SpomacGek incorporating a protective switch and quick-adjust guard, which enhances its safety profile during use.
Battery and Power
Battery performance is crucial for cordless tools, and here both models offer different advantages. The SpomacGek is compatible with Dewalt 20V MAX batteries but does not include a battery in the package. In contrast, the SEESII comes with dual 21V 2.0Ah lithium batteries, providing ample power for extended use right out of the box. This means that buyers of the SEESII can start working immediately, while SpomacGek users will need to invest in a compatible battery first, potentially adding to their initial costs.
Versatility
Versatility is another area where these grinders diverge. The SpomacGek is designed for a range of applications, including metal cutting, surface treatment, and wood polishing, making it suitable for DIY enthusiasts and professionals alike. The SEESII also showcases versatility, offering not just cutting but also grinding capabilities with its comprehensive kit that includes various discs for different materials. This all-in-one solution is particularly beneficial for users who appreciate having multiple tools in one package.
Safety Features
Both grinders incorporate safety features, but the approaches differ. The SpomacGek includes a protective switch and a soft start feature, ensuring that it stops within 1.5 seconds after releasing the power switch. This quick shutdown capability enhances user safety significantly. The SEESII, on the other hand, is designed with overheat and overload protection, which is essential for long-duration tasks. Both models prioritize user safety, but their methods cater to slightly different user concerns.
Pricing
In terms of pricing, the SpomacGek grinder is about 17% cheaper at $49.99 compared to the SEESII at $59.99. This lower price point might attract budget-conscious consumers or those who already own compatible Dewalt batteries. However, the additional features and included batteries of the SEESII could justify its higher price for users seeking a more ready-to-use solution. Thus, the pricing decision may hinge on whether users value immediate usability or are willing to invest more for a potentially more powerful tool.
Which should you buy?
Choosing between the SpomacGek Cordless Angle Grinder and the SEESII Cordless Mini Angle Grinder ultimately depends on your specific needs. If you require a powerful tool for larger projects and already possess compatible batteries, the SpomacGek offers a great balance of performance and price. However, if you're looking for a lightweight, high-speed option that includes batteries and versatile attachments for detailed work, the SEESII is worth the extra investment.

