Aiderar 4-1/2" Cordless Angle Grinder Tool, vs AVID POWER Angle Grinder, 7.5-Amp 4-1/
Updated July 2026 — Aiderar 4-1/2" Cordless Angle Grinder Tool, wins on speed and power, AVID POWER Angle Grinder, 7.5-Amp 4-1/ wins on accessories and weight.
The Aiderar offers superior performance with its brushless motor, while the AVID POWER provides excellent value with included accessories.
Why Aiderar 4-1/2" Cordless Angle Grinder Tool, is better
Power
Aiderar has a brushless motor for longer runtime.
Speed
Aiderar offers three-speed settings.
Brand
Aiderar is designed for DeWalt 20V MAX users.
Why AVID POWER Angle Grinder, 7.5-Amp 4-1/ is better
Price
AVID POWER is $42.99, significantly cheaper.
Accessories
AVID POWER includes multiple accessories.
Weight
AVID POWER is lighter at 3.64 lbs.
Overall score
Specifications
| Spec | Aiderar 4-1/2" Cordless Angle Grinder Tool, | AVID POWER Angle Grinder, 7.5-Amp 4-1/ |
|---|---|---|
| Motor Type | Brushless | Brushed |
| RPM | N/A | 12000 |
| Guard Type | Metal | Adjustable |
| Speed Settings | 3 | 1 |
| Included Items | None | Multiple |
Dimension comparison
Price Comparison
The Aiderar 4-1/2" Cordless Angle Grinder Tool is priced at $59.99, while the AVID POWER Angle Grinder costs $42.99, making the AVID POWER about 43% cheaper. This significant price difference may influence budget-conscious consumers who need a reliable angle grinder for DIY tasks. The Aiderar is marketed as a bare-tool option designed for those who already own DeWalt 20V MAX batteries, which may justify its higher cost for users invested in that ecosystem. In contrast, the AVID POWER includes various accessories and is ready to use out of the box, potentially offering better value for beginners.
Power and Performance
The Aiderar features a brushless motor, promoting longer runtime and superior durability, while the AVID POWER boasts a 7.5-amp motor capable of delivering up to 12,000 RPM. The brushless motor in the Aiderar offers consistent power under load, which is essential for demanding tasks. However, the AVID POWER's motor is powerful enough for light to medium tasks, making it versatile for various applications such as metal cutting, grinding, and polishing. The Aiderar's focus on a premium brushless motor may appeal to professionals or serious hobbyists, while casual users might find the AVID POWER's performance sufficient.
Versatility
The Aiderar offers three-speed settings, allowing users to tailor the tool's performance for different applications, from light sanding to heavy-duty metal cutting. This feature provides flexibility for users who might engage in various projects. On the other hand, the AVID POWER is also designed for multiple tasks, including masonry work and concrete grinding, showcasing its adaptability. Both tools have unique strengths, but the Aiderar's adjustable speed might give it an edge for more specialized jobs, while the AVID POWER shines in general-purpose use.
Safety Features
Both grinders prioritize user safety through various design elements. The Aiderar includes two metal safety guards for different tasks, enhancing safety while switching between grinding and cutting. The AVID POWER features a tool-free adjustable safety guard that can be set to multiple angles, allowing for efficient deflection of sparks and debris. Additionally, the AVID POWER has a two-position side handle, enabling users to maintain a stable grip regardless of their dominant hand. While both tools offer protective features, the AVID POWER's user-friendly design may appeal more to those who value convenience.
Accessories and Included Items
The AVID POWER comes with a robust selection of accessories, including two metal cutting wheels, two grinding wheels, a flap disc, an auxiliary handle, and an adjustable wheel guard, which can save users considerable time and money. In contrast, the Aiderar is sold as a "Tool Only" product, meaning it does not include a battery or charger, requiring users to invest further if they don't already own compatible DeWalt products. For those looking for a comprehensive starter kit, the AVID POWER provides a clear advantage with its included accessories.
Weight and Usability
The weight of an angle grinder can significantly impact its usability during extended tasks. The AVID POWER weighs in at just 3.64 lbs, making it lightweight and easy to maneuver, especially for users who may need to operate it for longer periods. While the weight of the Aiderar is not explicitly stated, the emphasis on the brushless motor suggests a balance between power and manageability. However, for users prioritizing ease of use and reduced fatigue, the AVID POWER's lighter weight could be a significant factor in their decision-making process.
Brand Reputation and Sales Rank
The AVID POWER has a sales rank of 9063, indicating a strong presence in the market, while the Aiderar has a rank of 38827, suggesting it may be less well-known or in lower demand. Brand reputation can play a crucial role in purchasing decisions, especially for tools that users may depend on for various projects. AVID POWER's higher sales rank might instill more confidence in potential buyers, as it reflects customer acceptance and satisfaction.
Which should you buy?
Choosing between the Aiderar 4-1/2" Cordless Angle Grinder Tool and the AVID POWER Angle Grinder largely depends on your specific needs and existing equipment. If you already own DeWalt 20V MAX batteries and are looking for a more powerful, versatile tool, the Aiderar may be worth the investment. However, if you are budget-conscious and require a comprehensive tool ready for immediate use, the AVID POWER offers excellent value with its lower price and included accessories. Ultimately, both grinders have their strengths, but your choice should align with your project requirements and budget constraints.

