BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. vs Dong Cheng 20V MAX 7-1/4'' Brushless Cordless
Updated July 2026 — BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. wins on ease of use, Dong Cheng 20V MAX 7-1/4'' Brushless Cordless wins on blade size and power.
The Dong Cheng saw offers superior performance and features, making it the better choice for demanding tasks.
Why BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. is better
Price
BLACK+DECKER is $1.59 cheaper.
Ease of Use
Tool-free adjustments make it user-friendly.
Brand Recognition
BLACK+DECKER is a well-known brand.
Why Dong Cheng 20V MAX 7-1/4'' Brushless Cordless is better
Performance
Dong Cheng has a more powerful brushless motor.
Blade Size
Larger 7-1/4 inch blade for deeper cuts.
Dust Collection
Includes a dust collection adaptor for cleanliness.
Overall score
Specifications
| Spec | BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. | Dong Cheng 20V MAX 7-1/4'' Brushless Cordless |
|---|---|---|
| Motor Type | Brushed | Brushless |
| Max RPM | 3500 | 5000 |
| Cut Depth | 45mm | 65mm |
| Battery Type | 20V | 20V |
| Weight | 3.5kg | 3.8kg |
Dimension comparison
Overview of the BLACK+DECKER 20V MAX POWERCONNECT
The BLACK+DECKER 20V MAX POWERCONNECT is a compact and versatile cordless circular saw priced at $95.00. This model is designed for DIY enthusiasts and home repair tasks, featuring a 5-1/2 inch fast-cutting blade that makes it suitable for various materials. It also includes an interchangeable battery system, allowing users to utilize the same battery across multiple BLACK+DECKER tools. With a sales rank of 122,423, this saw may not be the most popular choice on the market, but it offers solid performance for its price.
The saw's user-friendly features include tool-free depth adjustment and blade changes, making it easy to operate for both novices and experienced users. Additionally, the pivoting shoe enhances control, which can be crucial during intricate cuts. This model is a great starting point for those looking to tackle smaller projects without investing in a more expensive tool.
Overview of the Dong Cheng 20V MAX Circular Saw Kit
The Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit is priced at $96.59, making it about 1.7% more expensive than the BLACK+DECKER model. This saw comes equipped with a powerful 850W brushless motor, capable of delivering speeds up to 5000 RPM. With its larger 7-1/4 inch blade, it offers an impressive cross-cutting capacity, making it ideal for more demanding tasks like framing and remodeling. The Dong Cheng saw holds a better sales rank at 87,789, indicating a higher level of popularity among consumers.
Notably, this model includes a dust collection adaptor, which improves workspace cleanliness—a significant advantage for any contractor or DIYer who prioritizes a tidy work environment. The saw is designed for long-term use with features like a trigger lock switch and anti-slip grip, enhancing safety and comfort during extended cutting sessions.
Performance Comparison
In terms of performance, the Dong Cheng saw outshines the BLACK+DECKER model with its brushless motor and higher RPM capability. The 850W motor of the Dong Cheng model allows it to handle tougher materials like hardwood and decking more efficiently, compared to the BLACK+DECKER’s capabilities. The larger 7-1/4 inch blade also enables deeper cuts, reaching 65mm at 90 degrees, which is crucial for tasks involving thicker materials.
While the BLACK+DECKER saw is suitable for light to moderate DIY tasks, the Dong Cheng is better equipped for heavy-duty applications. This difference in performance may be a deciding factor for users who plan to tackle more complex projects.
User-Friendly Features
Both saws offer user-friendly features, but they cater to different user needs. The BLACK+DECKER excels in ease of use with its tool-free adjustments for blade changes and depth settings. This is particularly beneficial for users who may be newer to power tools or need to make quick adjustments frequently.
Conversely, the Dong Cheng offers advanced features like a dust extraction port, which connects to vacuums or sawdust bags for efficient cleanup. This feature is invaluable for those working on larger jobsites where maintaining a clean workspace is essential. Additionally, the anti-slip grip and balanced design of the Dong Cheng saw enhance user comfort during extended use, making it a more ergonomic choice for serious DIY enthusiasts and professionals.
Pricing and Value
The BLACK+DECKER saw is priced at $95.00, while the Dong Cheng model costs $96.59. This makes the BLACK+DECKER about $1.59 cheaper, or roughly 1.7% less expensive. For budget-conscious buyers, the lower price of the BLACK+DECKER might seem appealing, especially for those who only require a saw for occasional use.
However, considering the additional features and enhanced performance of the Dong Cheng saw, the slightly higher price can be justified for users who need a more robust tool. The presence of high-torque capabilities and a larger blade may offer better long-term value for those engaged in regular woodworking or construction tasks.
Brand Reputation and Reliability
BLACK+DECKER is a well-known brand in the power tools industry, recognized for its reliability and solid customer service. The brand has a long-standing reputation for producing user-friendly tools that cater to the DIY market. However, the sales rank of the BLACK+DECKER saw suggests that it may not be the top choice among consumers looking for high-performance power tools.
In contrast, Dong Cheng may not have the same level of brand recognition in the U.S. market, but its circular saw has garnered attention for its robust features and performance. The Dong Cheng saw's design appears to cater more towards professionals and serious DIYers, which may explain its better sales rank compared to its competitor.
Which should you buy?
Choosing between the BLACK+DECKER 20V MAX POWERCONNECT and the Dong Cheng 20V MAX 7-1/4'' Brushless Cordless Circular Saw Kit ultimately depends on your specific needs. If you are a casual DIYer looking for an affordable, easy-to-use tool for light tasks, the BLACK+DECKER saw is a solid choice at $95.00. However, if you require a more powerful and versatile saw capable of handling tougher jobs, the Dong Cheng model, priced at $96.59, offers superior performance with its brushless motor and larger blade.
Overall, for those who prioritize performance and features, the Dong Cheng is worth the slight price difference. For users focused on basic tasks without the need for advanced capabilities, the BLACK+DECKER remains an excellent option.

