Rueqior Cordless Angle Grinder Compatible with Milwaukee vs RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder
Updated July 2026 — Rueqior Cordless Angle Grinder Compatible with Milwaukee wins on rpm, RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder wins on battery and durability.
The Rueqior grinder offers a lower price and higher RPM, while the RYOBI grinder provides better durability and compatibility with existing batteries.
Why Rueqior Cordless Angle Grinder Compatible with Milwaukee is better
Price
Rueqior is $8.03 cheaper than RYOBI.
RPM
Rueqior has a maximum speed of 10,000 RPM.
Weight
Rueqior is lighter at 3.6 lbs.
Why RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder is better
Durability
RYOBI has a die cast metal gear case.
Control
RYOBI features a 3-position side handle.
Battery Compatibility
RYOBI works with any RYOBI 18V battery.
Overall score
Specifications
| Spec | Rueqior Cordless Angle Grinder Compatible with Milwaukee | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder |
|---|---|---|
| Motor Type | Brushless | Brushed |
| Max RPM | 10000 | 9000 |
| Handle Type | Adjustable | 3-position |
| Weight | 3.6 lbs | Not specified |
| Battery Included | No | No |
Dimension comparison
Overview of the Products
When comparing the Cordless Angle Grinder Compatible with Milwaukee 18V Battery and the RYOBI PCL445B ONE+ 18V Cordless Angle Grinder, both tools are designed for similar tasks, but they cater to different user preferences and needs. The Rueqior grinder is priced at $45.97, making it about 17% cheaper than the RYOBI grinder, which retails at $54.00. This price difference may influence buyers looking for budget-friendly options while still seeking quality performance.
Motor Performance
The Rueqior grinder boasts a powerful brushless motor that can reach speeds of up to 10,000 RPM, allowing for efficient cutting, grinding, and polishing. In contrast, the RYOBI grinder features a motor with a maximum speed of 9,000 RPM. While both tools provide respectable performance, the Rueqior's higher RPM could lead to faster material removal, which is a crucial factor for professionals and serious DIY enthusiasts.
Weight and Usability
The Cordless Angle Grinder from Rueqior is lightweight at only 3.6 lbs, which makes it easy to handle and reduces user fatigue during prolonged use. On the other hand, the weight of the RYOBI grinder isn't specified, but its robust design and durable metal gear case suggest it may be heavier. The lightweight design of the Rueqior grinder enhances portability, particularly for tasks that require maneuverability in tight spaces.
Design Features
Both grinders come with user-friendly features that enhance their usability. The Rueqior grinder includes a spindle lock for quick wheel changes and an adjustable handle suitable for both left- and right-handed users. The protective cover also ensures safety by preventing sparks and metal shavings from causing injuries. Meanwhile, the RYOBI grinder offers a 3-position side handle for better control and a tool-free adjustable guard, adding to its versatility. While both tools are designed for ease of use, the additional safety measures in the Rueqior grinder could be appealing to those concerned about safety.
Battery Compatibility
Battery compatibility is a significant factor for cordless tools, and both grinders operate as bare tools, meaning batteries and chargers are sold separately. The Rueqior grinder is compatible with Milwaukee 18V batteries, which may be an advantage for users who already own Milwaukee tools. In comparison, the RYOBI grinder is part of the ONE+ system, allowing it to work with any RYOBI 18V battery. This feature makes the RYOBI grinder a more versatile choice for those already invested in the RYOBI ecosystem.
Durability
Durability is essential for any power tool, and both grinders are built with longevity in mind. The Rueqior grinder features a brushless motor that typically lasts longer and operates more efficiently than traditional brushed motors, leading to less battery energy loss and lower noise levels. The RYOBI grinder's die cast metal gear case adds an extra level of durability, protecting the internal components during heavy use. While both tools are durable, the RYOBI's metal construction may offer added protection in more demanding environments.
Pricing and Value
At $45.97, the Rueqior grinder offers a competitive price point compared to the RYOBI grinder, which is priced at $54.00. The cost difference of about $8.03 could be a deciding factor for budget-conscious buyers looking to maximize value. However, considering the features and durability offered by each product, users must weigh whether the additional cost of the RYOBI grinder justifies the benefits it provides, particularly if they already own RYOBI batteries.
Which should you buy?
Ultimately, the decision between the Cordless Angle Grinder Compatible with Milwaukee 18V Battery and the RYOBI PCL445B ONE+ 18V Cordless Angle Grinder hinges on individual needs and preferences. If you prioritize a lower price and higher RPM for faster work, the Rueqior grinder may be the better choice. However, if you value durability, a multi-position handle for control, and existing compatibility with RYOBI batteries, the RYOBI grinder stands out as a solid option. Each grinder offers unique advantages, so consider your specific use cases before making a purchase.

