SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, vs RhovixStar Brushless Angle Grinder Cordless, 3/
Updated July 2026 — SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, wins on sales rank and price, RhovixStar Brushless Angle Grinder Cordless, 3/ wins on max speed and battery.
The RhovixStar Brushless Angle Grinder offers better speed and battery value, making it the preferred choice for most users.
Why SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, is better
Price
$69.99 vs $65.99
Battery Compatibility
Works with Mwkee M-18 batteries
Heat Dissipation
Three-dimensional ventilation system
Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better
Max Speed
9000 RPM vs 8500 RPM
Battery Packs
Includes two 20V batteries
Sales Rank
Better rank at 47,285
Overall score
Specifications
| Spec | SXGSXG Angle Grinder Cordless for Mwkee M-18 18V Battery, | RhovixStar Brushless Angle Grinder Cordless, 3/ |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Speed Settings | 3 | 4 |
| Power Source | 18V | 20V |
| Weight | 5.5 lbs | 5.0 lbs |
| Safety Features | Ventilation | Overload Protection |
Dimension comparison
Overview of the Products
When it comes to cordless angle grinders, the Angle Grinder Cordless for Mwkee M-18 18V Battery and the RhovixStar Brushless Angle Grinder Cordless are two notable options. The Mwkee model is priced at $69.99, while the RhovixStar offers a competitive price of $65.99, making it about 17% cheaper. Both grinders are designed for cutting, grinding, and polishing, but they cater to slightly different user needs and preferences.
Motor Performance
The Angle Grinder Cordless for Mwkee M-18 features a brushless motor that can reach speeds of up to 8500 RPM, which is commendable for various grinding tasks. In contrast, the RhovixStar also utilizes a brushless motor but boasts a higher maximum speed of 9000 RPM. This difference of 500 RPM can provide an edge in applications requiring faster cutting or polishing. Both motors are designed for longevity and efficiency, reducing heat and energy consumption compared to traditional motors.
Speed Settings
Speed versatility is a strong point for both grinders, but they take different approaches. The Angle Grinder Cordless for Mwkee M-18 has three speed settings ranging from 3000 RPM to 8500 RPM, allowing users to select the speed appropriate for their task. Meanwhile, the RhovixStar offers four adjustable speeds, with the lowest speed not specified but catering to a range of applications, enhancing its versatility for various materials. This slight edge in speed settings may appeal to users who need specific RPMs for different tasks.
Battery and Runtime
Battery compatibility plays a crucial role in cordless tools. The Angle Grinder Cordless for Mwkee M-18 is designed to work with Mwkee M-18 18V batteries, which users may already own. On the other hand, the RhovixStar comes with two 20V 4.0Ah batteries, ensuring extended runtime without the need to purchase additional batteries. This inclusion adds value to the RhovixStar, making it better suited for users who prioritize continuous operation without interruptions.
Ergonomics and Design
Both grinders prioritize user comfort, but they differ slightly in design features. The Angle Grinder Cordless for Mwkee M-18 includes an ergonomic design with anti-slip handles and a centrally located switch lock to prevent accidental startups. In comparison, the RhovixStar has an adjustable handle suitable for both left- and right-handed users, which may be more appealing for versatility during prolonged use. The ergonomic designs of both tools aim to reduce fatigue, making them well-suited for extended projects.
Safety Features
Safety is paramount when working with power tools. The Angle Grinder Cordless for Mwkee M-18 incorporates a three-dimensional ventilation system for heat dissipation, allowing for prolonged use without overheating. Additionally, it features a guard to block sparks and debris, enhancing user safety. Similarly, the RhovixStar has an overload protection system that temporarily suspends work during overload, allowing the tool to recover. While both grinders include safety features, the Mwkee's focus on heat dissipation might be more beneficial for intense, continuous tasks.
Price Comparison
In terms of pricing, the Angle Grinder Cordless for Mwkee M-18 is listed at $69.99, while the RhovixStar can be purchased for $65.99. This price difference of $4 translates to about 5.7% savings when opting for the RhovixStar, making it the more economical choice. However, pricing should also be considered alongside features and performance to determine the best overall value.
Bestseller Rank
The Angle Grinder Cordless for Mwkee M-18 has a sales rank of 66,471, indicating moderate popularity within its category. Conversely, the RhovixStar has a better sales rank of 47,285, suggesting that it may be more favored among consumers. A higher bestseller rank can often reflect user satisfaction and trust in the product, which is an important factor for potential buyers.
Which should you buy?
Choosing between the Angle Grinder Cordless for Mwkee M-18 and the RhovixStar Brushless Angle Grinder Cordless ultimately depends on your specific needs. The RhovixStar offers a higher maximum speed, two batteries for extended use, and a more favorable bestseller rank, making it a strong contender for those seeking efficiency and value. However, if you already own compatible Mwkee batteries and prefer a tool with a robust heat dissipation system, the Mwkee model may be the better choice for you. Consider your intended use and preferences to make the best decision.

