AOBEN Cordless Angle Grinder 4-1/ vs RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle
Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery and accessories, RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle wins on price and weight.
The AOBEN Cordless Angle Grinder offers better performance and value with included accessories, making it the superior choice.
Why AOBEN Cordless Angle Grinder 4-1/ is better
Performance
AOBEN has a higher max speed of 9500 RPM.
Accessories
AOBEN includes two batteries and various wheels.
Sales Rank
AOBEN has a better sales rank of 15,649.
Why RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle is better
Price
RIDGID is cheaper at $67.49.
Weight
RIDGID is lighter as a tool-only option.
Switch Type
RIDGID features a paddle switch for ease of use.
Overall score
Specifications
| Spec | AOBEN Cordless Angle Grinder 4-1/ | RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle |
|---|---|---|
| Max Speed | 9500 RPM | Not specified |
| Batteries | 2 x 4.0Ah | None |
| Sales Rank | 15649 | 52955 |
| Weight | Light | Light |
| Motor Type | Brushless | Brushless |
Dimension comparison
Overview of the AOBEN Cordless Angle Grinder
The AOBEN Cordless Angle Grinder is priced at $79.99, making it a robust option for those seeking a versatile tool for metal cutting, grinding, and polishing. This model features a brushless motor that enhances its lifespan and efficiency, allowing it to operate at speeds of up to 9,500 RPM. With two included 4.0Ah batteries, this grinder is designed for extended use without the hassle of cords. The AOBEN grinder has a sales rank of 15,649, indicating a solid position in its market segment.
Overview of the RIDGID Cordless Angle Grinder
The RIDGID 18V Brushless Cordless Angle Grinder is priced at $67.49, making it about 17% cheaper than the AOBEN model. While this tool is only the grinder itself, it is designed with a paddle switch for user convenience. However, it lacks the included batteries and charger that the AOBEN offers. The RIDGID grinder has a sales rank of 52,955, which suggests it is less popular than the AOBEN in terms of sales, possibly due to its lack of accessories.
Performance Comparison
When it comes to performance, the AOBEN grinder outshines the RIDGID model with its brushless motor that provides more power and efficiency. The AOBEN can reach a maximum speed of 9,500 RPM, making it suitable for various applications like metal cutting and rust removal. On the other hand, the RIDGID grinder's performance details are less defined, as its product description focuses more on its paddle switch feature rather than specific performance metrics. Therefore, those who prioritize high-speed cutting and grinding may find the AOBEN to be a superior choice.
Battery and Power Options
The AOBEN grinder comes with two 4.0Ah batteries, allowing for extended operation without the need for a power outlet. This feature is particularly beneficial for users who work in remote locations or prefer the convenience of cordless tools. In contrast, the RIDGID grinder is sold as a tool only, meaning users will need to purchase a compatible battery separately. This difference in battery inclusion can significantly affect the overall value and convenience for the user, especially for those who do not already own RIDGID batteries.
Design and Usability
In terms of design, the AOBEN model is compact and ergonomic, making it comfortable to use during extended sessions. It includes protective wheel guards to prevent accidents while cutting or grinding. The RIDGID grinder, while featuring a paddle switch for ease of use, does not provide as much information regarding additional safety features. For users who prioritize safety and ease of use, AOBEN’s comprehensive design may offer a more user-friendly experience.
Accessories and Add-ons
One of the standout features of the AOBEN grinder is the inclusion of various accessories in the kit. Along with the grinder and batteries, it comes with multiple grinding and cutting wheels, a wrench, and a convenient carrying case. This all-in-one kit provides excellent value for the price, especially for those new to using angle grinders. On the other hand, the RIDGID grinder lacks these additional accessories, which may require users to invest more money upfront to get started.
Customer Reception and Popularity
The AOBEN grinder boasts a better sales rank of 15,649 compared to the RIDGID's rank of 52,955. This difference in popularity may indicate that more users favor the AOBEN model due to its comprehensive features and value for money. Customer reviews often highlight the efficiency and versatility of the AOBEN grinder, while the RIDGID model, being a tool-only option, may not cater as well to users looking for a complete package.
Which should you buy?
Ultimately, the choice between the AOBEN Cordless Angle Grinder and the RIDGID Cordless Angle Grinder depends on your specific needs and budget. If you value a complete kit with excellent performance, safety features, and additional accessories, the AOBEN at $79.99 is the better option. However, if you are looking for a more budget-friendly choice and already own compatible batteries, the RIDGID grinder at $67.49 could serve you well. Consider what features matter most to you, and choose accordingly.

