AOBEN Cordless Angle Grinder 4-1/ vs Ingersoll Rand 301B Air Die Grinder – 1/4", Right
Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery, Ingersoll Rand 301B Air Die Grinder – 1/4", Right wins on speed and weight.
The AOBEN Cordless Angle Grinder offers more versatility and portability, while the Ingersoll Rand 301B Air Die Grinder is lighter and more powerful for precision tasks.
Why AOBEN Cordless Angle Grinder 4-1/ is better
Power Source
Cordless operation provides more flexibility.
Versatility
Three adjustable speeds for various tasks.
Accessories
Includes multiple accessories for enhanced functionality.
Why Ingersoll Rand 301B Air Die Grinder – 1/4", Right is better
Weight
Lighter design for easier maneuverability.
Speed
Higher RPM for faster job completion.
Build Quality
Durable aluminum housing for tough conditions.
Overall score
Specifications
| Spec | AOBEN Cordless Angle Grinder 4-1/ | Ingersoll Rand 301B Air Die Grinder – 1/4", Right |
|---|---|---|
| Power Source | Battery | Air |
| Max RPM | 9500 | 21000 |
| Motor Type | Brushless | Air Motor |
| Safety Features | Wheel Guards | Safety Lock |
| Applications | Versatile | General Purpose |
Dimension comparison
Overview
The AOBEN Cordless Angle Grinder and the Ingersoll Rand 301B Air Die Grinder are both excellent tools for grinding and cutting tasks, but they cater to different user needs. The AOBEN grinder is battery-operated, providing portability and convenience, while the Ingersoll Rand model is an air-powered tool, ideal for those who prefer pneumatic options.
The AOBEN Cordless Angle Grinder is priced at $79.99, making it a solid choice for users seeking a reliable cordless solution. In contrast, the Ingersoll Rand 301B Air Die Grinder is priced at $61.99, about 22% cheaper than the AOBEN model, appealing to budget-conscious buyers.
Power Source
The AOBEN Cordless Angle Grinder operates on a 21V lithium-ion battery, offering the freedom to work without being tethered to a power source. This feature is particularly advantageous for outdoor or remote projects where electrical outlets may not be available. The AOBEN grinder includes two 4.0Ah battery packs, ensuring extended use without interruptions.
Conversely, the Ingersoll Rand 301B Air Die Grinder runs on compressed air. This motor delivers a powerful 0.25 horsepower, allowing it to achieve a free speed of 21,000 RPM. If you have an air compressor on hand, the Ingersoll Rand model may be the more efficient option for continuous use, as it does not rely on battery life.
Weight and Portability
The AOBEN Cordless Angle Grinder is designed with portability in mind, featuring a compact and handy design that feels comfortable during operation. Although the specific weight isn't mentioned, its cordless design inherently makes it more mobile than many corded tools.
In contrast, the Ingersoll Rand 301B Air Die Grinder weighs only 1.02 lbs, making it one of the lightest options available. Its lightweight nature allows for easy maneuverability, especially in tight spots. However, being air-powered means users need to consider the weight and bulk of the air compressor, which can limit portability in some situations.
Speed and Versatility
The AOBEN Cordless Angle Grinder offers three adjustable speeds, reaching a maximum of 9,500 RPM. This versatility allows it to handle various tasks, including grinding metal, cutting tiles, and surface preparation. The ability to change speeds with ease makes it adaptable to different applications, enhancing its overall usability.
On the other hand, the Ingersoll Rand 301B Air Die Grinder’s motor runs at a consistent 21,000 RPM, which is significantly higher than the AOBEN model. This makes it ideal for tasks requiring rapid grinding or polishing. The higher RPM can lead to faster job completion, particularly in demanding applications.
Build Quality
The AOBEN Cordless Angle Grinder features a brushless motor, known for its durability and efficiency. This design not only extends the tool's lifespan but also minimizes energy consumption. Additionally, the grinder comes with two wheel guards for enhanced safety during operation, making it a reliable choice for users concerned about protection in cutting tasks.
The Ingersoll Rand 301B Air Die Grinder is constructed with durable ball-bearing technology and a robust aluminum housing, ensuring it withstands tough operating conditions. Its design prioritizes balance and reduces vibration, contributing to a longer product life. These features make it an excellent choice for professional environments where tools face heavy use.
Applications
The AOBEN Cordless Angle Grinder is versatile, suitable for a variety of applications such as metal cutting, grinding, and polishing. Its three-speed settings allow users to customize the tool's performance to match specific tasks. Additionally, the inclusion of multiple accessories in the kit enhances its functionality, making it a great all-in-one solution for DIY enthusiasts and professionals alike.
In contrast, the Ingersoll Rand 301B Air Die Grinder excels in general-purpose grinding tasks. Its right-angle configuration provides easy access to tight spaces, making it perfect for detailed work. The tool's high RPM capability ensures it can tackle challenging jobs efficiently, making it a favored choice for professionals requiring precision in their work.
Price Comparison
The AOBEN Cordless Angle Grinder is priced at $79.99, while the Ingersoll Rand 301B Air Die Grinder costs $61.99. This means the AOBEN model is approximately 29% more expensive than the Ingersoll Rand grinder. Buyers who prioritize budget may find the Ingersoll Rand to be a more appealing option. However, the AOBEN’s extra features and battery power could justify the higher price for those needing a cordless solution.
Which should you buy?
Choosing between the AOBEN Cordless Angle Grinder and the Ingersoll Rand 301B Air Die Grinder ultimately depends on your specific needs. If you require a portable, battery-operated tool with versatility for various tasks, the AOBEN model is an excellent choice. However, if you're looking for a lightweight air-powered grinder with a high RPM for precision jobs and have access to an air compressor, the Ingersoll Rand 301B is likely the better option. Consider your work environment, the tasks you intend to perform, and your budget before making a decision.

