Dong Cheng DongCheng Angle Grinder 4-1/ vs FULLYEA Cordless Angle Grinder 4-1/2", Brushless
Updated July 2026 — FULLYEA Cordless Angle Grinder 4-1/2", Brushless leads on rank and speed.
The DongCheng Angle Grinder offers solid performance at a lower price, while the FULLYEA provides cordless convenience and adjustable speed settings.
Why Dong Cheng DongCheng Angle Grinder 4-1/ is better
Price
DongCheng is $32.99, cheaper than FULLYEA at $49.99.
Accessories
DongCheng includes more attachments for immediate use.
Weight
DongCheng weighs only 4.2 lbs, making it lighter.
Why FULLYEA Cordless Angle Grinder 4-1/2", Brushless is better
Speed
FULLYEA has a max speed of 12,000 RPM, higher than DongCheng's 11,800 RPM.
Cordless
FULLYEA offers cordless operation for greater mobility.
Motor Type
FULLYEA features a brushless motor for improved efficiency.
Overall score
Specifications
| Spec | Dong Cheng DongCheng Angle Grinder 4-1/ | FULLYEA Cordless Angle Grinder 4-1/2", Brushless |
|---|---|---|
| Motor | 6.7-Amp | Brushless |
| Speed Settings | 1 | 3 |
| Power Source | Corded | Cordless |
| RPM | 11800 | 12000 |
| Included Discs | 6 | 3 |
Dimension comparison
Pricing Comparison
The DongCheng Angle Grinder is priced at $32.99, making it about 34% cheaper than the FULLYEA Cordless Angle Grinder, which retails at $49.99. This substantial price difference might appeal to budget-conscious consumers or those who are just starting in DIY projects. Although less expensive, the DongCheng model offers a solid performance with its 6.7-Amp motor and 11,800 RPM speed, making it suitable for various cutting and grinding tasks. In contrast, the FULLYEA model, while pricier, boasts additional features like cordless operation and a brushless motor, which some users may find worth the extra investment.
Performance Capabilities
In terms of performance, the FULLYEA Cordless Angle Grinder edges out the DongCheng model with a maximum speed of 12,000 RPM compared to DongCheng's 11,800 RPM. This difference may contribute to slightly faster cutting and grinding capabilities, which could be crucial for professional users. The FULLYEA also offers three speed settings (high, medium, and low) that allow for greater versatility depending on the task at hand. While the DongCheng model is powerful and effective for most tasks, the additional speed options from the FULLYEA can enhance user control and efficiency.
Design and Ergonomics
When it comes to design, both models prioritize user comfort but in different ways. The DongCheng Angle Grinder features an ergonomic design that weighs only 4.2 lbs, making it light and easy to handle. Its extra-slim grip is designed to reduce fatigue during extended use, which is beneficial for users engaging in longer projects. Conversely, the FULLYEA Cordless Angle Grinder is designed for portability, free from cords, allowing for greater mobility during tasks. However, it does not specify weight, which could be a consideration for some users.
Safety Features
Safety is a crucial aspect in power tools, and both models have incorporated features to ensure user protection. The DongCheng model includes a no-lock paddle switch that stops the grinder immediately when released, reducing the risk of accidental activation. It also has a dual guard system that includes interchangeable guards for cutting and grinding tasks. Meanwhile, the FULLYEA model emphasizes ease of use with its spindle lock, making disc changes faster and safer. While both grinders are designed with safety in mind, the specific safety mechanisms differ, catering to different user preferences.
Battery and Power Source
The DongCheng Angle Grinder is a corded model, which can offer consistent power without the need to recharge batteries. This can be an advantage for users who prefer uninterrupted operation, especially during lengthy projects. On the other hand, the FULLYEA Cordless Angle Grinder operates on two 4.0Ah batteries, allowing for mobility and convenience without being tethered to a power outlet. This feature is particularly useful for outdoor or remote work environments. However, users must ensure their batteries are charged to maintain optimal performance.
Included Accessories
Both angle grinders come with a complete set of accessories, but the offerings differ notably. The DongCheng model includes a variety of cutting discs, grinding wheels, flap discs, and an auxiliary handle, making it a robust package for beginners. In total, it provides six different attachments, which can be a significant advantage for users looking to start working immediately. Conversely, the FULLYEA model comes with three cutting wheels, two batteries, and a fast charger, emphasizing the importance of battery longevity in its design. For those who prioritize a comprehensive starter kit, the DongCheng may be the more appealing choice.
Brand Reputation and Sales Rank
In terms of brand reputation, Dong Cheng appears to be a reliable choice, with a sales rank of 20,066, indicating a solid standing in the market. The FULLYEA model, on the other hand, has a sales rank of 50,124, which may suggest it is less popular among consumers. A higher sales rank typically reflects consumer trust and satisfaction, which can be an important factor for potential buyers when choosing between these two products.
Which should you buy?
When deciding between the DongCheng Angle Grinder and the FULLYEA Cordless Angle Grinder, consider your specific needs and preferences. If you are looking for a budget-friendly option that offers solid performance and comes with a variety of accessories, the DongCheng model is an excellent choice. However, if you prioritize the convenience of cordless operation, adjustable speed settings, and a brushless motor, the FULLYEA would be more suitable despite the higher price. Ultimately, both grinders cater to different user needs, making the choice largely dependent on personal priorities in terms of budget, performance, and usability.

