FULLYEA Cordless Angle Grinder 4-1/2", Brushless vs SEESII Cordless Mini Angle Grinder: 3-Inch
Updated July 2026 — FULLYEA Cordless Angle Grinder 4-1/2", Brushless wins on weight and battery, SEESII Cordless Mini Angle Grinder: 3-Inch wins on speed and design.
The FULLYEA Cordless Angle Grinder offers better versatility and battery life, while the SEESII excels in portability and speed.
Why FULLYEA Cordless Angle Grinder 4-1/2", Brushless is better
Battery Life
Includes two 4.0Ah batteries for longer use.
Cutting Capacity
4-1/2 inch cutting diameter for larger materials.
Versatility
Suitable for heavy-duty applications.
Why SEESII Cordless Mini Angle Grinder: 3-Inch is better
Weight
Lightweight design at 1.85 lbs for easy handling.
Speed
Higher speed of 19,000 RPM for demanding tasks.
Compactness
Ideal for detailed work in tight spaces.
Overall score
Specifications
| Spec | FULLYEA Cordless Angle Grinder 4-1/2", Brushless | SEESII Cordless Mini Angle Grinder: 3-Inch |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Max RPM | 12000 | 19000 |
| Battery Capacity | 4.0Ah | 2.0Ah |
| Cutting Diameter | 4-1/2 inch | 3 inch |
| Weight | 5 lbs | 1.85 lbs |
Dimension comparison
Overview of the Products
In this comparison, we look at the FULLYEA Cordless Angle Grinder 4-1/2" and the SEESII Cordless Mini Angle Grinder. The FULLYEA angle grinder is priced at $49.99, while the SEESII mini grinder costs $59.99, making the FULLYEA about 17% cheaper. Each product caters to different user needs, with the FULLYEA offering a larger cutting diameter and the SEESII providing a more compact design, suitable for light work.
Performance and Power
The FULLYEA is equipped with a powerful brushless motor that can achieve speeds up to 12,000 RPM, which is suitable for various cutting and grinding tasks. In contrast, the SEESII boasts a higher speed of 19,000 RPM, making it potentially more effective for demanding applications. However, the FULLYEA's motor is designed for durability and long-term use, which may be beneficial for users engaged in extensive projects. Both grinders come with high-capacity batteries, but the FULLYEA includes two 4.0Ah batteries compared to the SEESII's two 2.0Ah batteries, offering longer operational time.
Design and Ergonomics
The design of the FULLYEA Cordless Angle Grinder focuses on versatility and usability. It features a universal size with a 7/8 inch arbor, allowing compatibility with various blades and discs. The SEESII, on the other hand, is notably lightweight at just 1.85 lbs, promoting easy one-handed operation. This compactness makes the SEESII ideal for prolonged tasks without causing user fatigue. The ergonomic designs of both tools cater to different user preferences, with the FULLYEA offering a more robust feel and the SEESII emphasizing portability.
Battery Life and Charging
Battery life is a crucial factor for cordless tools. The FULLYEA includes two 4.0Ah batteries, which provide ample power for extended use, while the SEESII is powered by dual 2.0Ah batteries. Despite having lower capacity, the SEESII's batteries are designed for quick charging. Users looking for longer operational times may prefer the FULLYEA's battery setup, which offers more juice for demanding tasks. The inclusion of a fast charger with the FULLYEA further enhances its appeal for users who need to minimize downtime.
Cutting and Grinding Capabilities
When it comes to cutting and grinding, the FULLYEA is more versatile with a 4-1/2 inch cutting capacity, allowing it to handle larger materials. It comes with three cutting wheels and is suitable for a variety of applications, from metal to masonry. The SEESII, meanwhile, is designed for precision work with its 3-inch discs, making it ideal for smaller, detailed tasks. While the FULLYEA is better suited for heavy-duty applications, the SEESII excels in lighter, more intricate projects, making it a valuable tool for DIY enthusiasts and professionals alike.
Safety Features
Both grinders have safety features designed to protect users during operation. The FULLYEA includes a spindle lock for easy disc replacement, enhancing user safety and convenience. The SEESII incorporates an advanced cooling system along with overheat and overload protection, ensuring that the tool remains safe to operate even during extended use. These safety measures are crucial, especially for users who may be handling demanding materials for prolonged periods, highlighting the importance of user protection in both designs.
Customer Support and Warranty
Customer support can significantly enhance the overall experience of using a tool. The FULLYEA brand emphasizes its commitment to high-quality tools and excellent service, encouraging users to reach out with any questions. While specific warranty details are not provided for either product, the assurance of responsive customer service from FULLYEA can be a deciding factor for potential buyers. The SEESII's reputation for reliability is also noteworthy, although it lacks the same level of explicit customer service commitment.
Which should you buy?
Choosing between the FULLYEA Cordless Angle Grinder and the SEESII Cordless Mini Angle Grinder depends largely on your specific needs. If you require a more versatile tool for heavy-duty tasks with a larger cutting capacity, the FULLYEA is the better option, priced at $49.99. However, if you're looking for a lightweight, compact solution for lighter projects and detailed work, the SEESII at $59.99 may be the right fit. Ultimately, both tools offer unique advantages, making your decision contingent on the types of tasks you intend to tackle.

