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OUBA Cordless Angle Grinder Compatible for Dewalt 20V vs SHALL 4-1/

Updated July 2026 — OUBA Cordless Angle Grinder Compatible for Dewalt 20V wins on rank and price, SHALL 4-1/ wins on power and weight.

The Cordless Angle Grinder offers advanced features and better performance, while the SHALL Angle Grinder is a budget-friendly option with a comprehensive accessory kit.

Why OUBA Cordless Angle Grinder Compatible for Dewalt 20V is better

Power

Brushless motor with 9500 RPM

Features

Three variable speed settings

Compatibility

Compatible with Dewalt 20V batteries

Why SHALL 4-1/ is better

Price

Significantly cheaper at $29.99

Accessories

Includes multiple cutting discs and guards

Weight

Lightweight at 3.7 pounds

Overall score

OUBA Cordless Angle Grinder Compatible for Dewalt 20V
85
SHALL 4-1/
70

Specifications

SpecOUBA Cordless Angle Grinder Compatible for Dewalt 20VSHALL 4-1/
Motor TypeBrushlessBrushed
Variable SpeedYesNo
Included Discs16
Handle TypeAnti-slipNon-slip
Battery IncludedYesNo

Dimension comparison

OUBA Cordless Angle Grinder Compatible for Dewalt 20VSHALL 4-1/

Price Comparison

The Cordless Angle Grinder is priced at $69.99, while the SHALL Angle Grinder is significantly cheaper at $29.99. This represents a price difference of about 57%. If you're on a tight budget or only need a basic tool for occasional tasks, the SHALL grinder may be the more appealing choice. However, the higher price of the Cordless Angle Grinder reflects its advanced features, such as compatibility with Dewalt 20V batteries and a brushless motor, which may justify the investment for more frequent users or professional applications.

Brand Reputation

The Cordless Angle Grinder is produced by OUBA, while the SHALL Angle Grinder comes from the brand SHALL. While both brands have their strengths, OUBA’s product ranks at 51,080 in sales, indicating a more niche presence in the market. In contrast, SHALL has a better sales rank of 21,110, suggesting that it might be a more popular choice among consumers. When considering which product to purchase, brand reputation and sales performance can influence your decision, especially if you prefer a well-reviewed and sought-after tool.

Motor Power and Speed

The SHALL Angle Grinder features a 4 amp motor capable of reaching a no-load speed of 11,000 RPM. This makes it a powerful option for tasks requiring quick cutting and grinding. On the other hand, the Cordless Angle Grinder has a brushless motor that operates at a maximum speed of 9,500 RPM. While both grinders offer solid performance, the SHALL grinder is designed for faster operations, making it suitable for users who prioritize speed in their tasks.

Versatility and Features

The Cordless Angle Grinder boasts three variable speed settings, enhancing its versatility for different tasks. It also includes a durable stand for stability during wood cutting, which is a unique feature not found in the SHALL Angle Grinder. Meanwhile, the SHALL grinder includes two wheel guards and comes with various accessories like three cutting discs and three grinding wheels, making it a complete package for immediate use. In terms of versatility, both grinders have their strengths, but the Cordless Angle Grinder provides more control over speed, while the SHALL model offers a broader range of accessories.

Design and Ergonomics

The design of both grinders caters to user comfort, but they approach it differently. The Cordless Angle Grinder has a rubberized anti-slip handle with two adjustable positions, promoting better control and comfort during use. In comparison, the SHALL Angle Grinder also features a non-slip rubber handle and an ergonomic design that allows for a two-position side handle, making it user-friendly for both left and right-handed individuals. While both designs aim to reduce user fatigue, the Cordless Angle Grinder's additional speed control may appeal to those who prioritize a more tailored experience.

Weight and Portability

The weight of a tool can significantly impact its ease of use, especially during prolonged tasks. While the weight specifics for each model are not provided, the SHALL Angle Grinder is noted for its compact and lightweight design at just 3.7 pounds. This makes it easier to handle for extended periods. The Cordless Angle Grinder, being a battery-operated tool, may also offer convenience in terms of portability, but its weight is not specified. If you plan to use your angle grinder for long sessions or need to move it frequently, the SHALL model’s lightweight design could be a critical advantage.

Accessories and Components

The SHALL Angle Grinder comes with a comprehensive set of components, including two wheel guards, three cutting wheels, and three flap discs, along with a wrench and extra carbon brushes. This makes it an excellent choice for users who want an all-in-one package right out of the box. Conversely, while the Cordless Angle Grinder includes a battery and fast charger, it does not specify additional accessories. The inclusion of more components with the SHALL model can save users time and money, making it a strong contender for those who seek immediate readiness for various tasks.

Which should you buy?

Choosing between the Cordless Angle Grinder and the SHALL Angle Grinder ultimately depends on your specific needs and budget. If you prioritize advanced features like variable speed control and compatibility with Dewalt batteries, the Cordless Angle Grinder may be worth the investment at $69.99. However, if you are looking for a more economical option that provides solid performance and a complete accessory kit, the SHALL Angle Grinder at $29.99 offers great value. Evaluate how often you plan to use the tool and the types of projects you will undertake to make the best decision for your situation.