BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, vs ZUYIYI
Updated July 2026 — BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, wins on price and weight, ZUYIYI wins on rpm and sales rank.
The BLACK+DECKER saw is a reliable choice for general DIY tasks, while the ZUYIYI offers better cutting speed and versatility. Overall, the ZUYIYI is the more cost-effective option.
Why BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, is better
Price
BLACK+DECKER is slightly cheaper.
Brand
BLACK+DECKER is a well-known brand.
Tool-Free
BLACK+DECKER has tool-free adjustments.
Why ZUYIYI is better
Speed
ZUYIYI operates at 12000 RPM.
Cutting Depth
ZUYIYI has a maximum cutting depth of 2 inches.
Battery Compatibility
ZUYIYI is compatible with multiple Makita batteries.
Overall score
Specifications
| Spec | BLACK+DECKER 20V 5-1/2" Cordless Circular Saw, | ZUYIYI |
|---|---|---|
| Power | 20V | Makita 18V |
| Motor Type | High Torque | Brushless |
| Tool-Free | Yes | Yes |
| Safety Features | Basic | Enhanced |
| Versatility | Medium | High |
Dimension comparison
Overview of the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw
The BLACK+DECKER 20V 5-1/2" Cordless Circular Saw is a powerful and versatile tool priced at $74.99. Known for its compact design, this saw is ideally suited for various DIY projects and home repairs. With a sales rank of 102120, it is a popular choice among users looking for reliability and performance.
Equipped with a fast-cutting 5-1/2 inch blade, this circular saw facilitates quick cuts and features tool-free adjustments for depth and blade changes. The pivoting shoe enhances control during use, making it a practical option for both beginners and seasoned DIY enthusiasts. Notably, this saw is part of the POWERCONNECT battery system, allowing compatibility with other BLACK+DECKER tools.
Overview of the ZUYIYI 6 Inch Cordless Mini Circular Saw
The ZUYIYI 6 Inch Cordless Mini Circular Saw is priced slightly lower at $62.99, making it about 17% cheaper than the BLACK+DECKER model. With a sales rank of 104955, it also appeals to those seeking a compact, portable cutting tool. This model stands out due to its compatibility with Makita 18V batteries, offering flexible options for power supply.
Its impressive 12000 RPM speed, powered by a brushless motor, ensures efficient cutting performance across various materials. The saw is designed for user safety, featuring double protection switches and mechanisms to prevent overheating and overload. This makes it a solid choice for users wanting to tackle a variety of materials, from wood to soft metals.
Blade and Cutting Performance
When it comes to blade performance, both saws offer unique advantages. The BLACK+DECKER circular saw features a 5-1/2 inch blade ideal for a range of DIY tasks, while the ZUYIYI saw supports multiple blade sizes, including 5-1/2, 5-3/8, and 6 inches. This versatility allows users to select blades that best suit their specific cutting needs.
The ZUYIYI saw excels in cutting depth, capable of achieving a maximum cutting depth of 2 inches at 90 degrees, compared to the BLACK+DECKER’s capabilities that are not explicitly stated but are generally suitable for similar tasks. The ability to adjust angles and depths in the ZUYIYI saw makes it particularly valuable for precision cutting tasks.
Ergonomics and User Experience
Both the BLACK+DECKER and ZUYIYI saws emphasize user-friendly designs, but they cater to different preferences. The BLACK+DECKER model is designed with tool-free adjustments for depth and blade changes, enhancing user convenience, especially for those who may not be familiar with power tools. Its compact design is also noted for ease of use.
In contrast, the ZUYIYI saw features an ergonomic design that prioritizes safety with its double protection switch to prevent accidental activations. Additionally, it has built-in protections against overheating and overload, which can significantly enhance the user experience during prolonged use. This focus on safety might appeal to novice users and those concerned about operational risks.
Battery and Power System
The BLACK+DECKER saw operates on a 20V MAX* POWERCONNECT battery system, providing the flexibility to use one battery across multiple tools within the same system. However, the battery is sold separately, which adds to the initial cost if you do not already own one.
In contrast, the ZUYIYI saw is compatible with several Makita 18V batteries, including popular models like the BL1830 and BL1860. This compatibility allows users who already own Makita batteries to save money, as they do not need to invest in a new battery system. However, like the BLACK+DECKER, the ZUYIYI does not include a battery with the purchase.
Versatility in Applications
Both the BLACK+DECKER and ZUYIYI saws are designed for versatility, but they cater to different user needs. The BLACK+DECKER is ideal for general DIY projects, making it suitable for various home repairs and tasks. Its fast-cutting capabilities and ease of use make it a go-to for many homeowners.
On the other hand, the ZUYIYI saw is marketed as a mini circular saw that excels in cutting a wider range of materials, including wood, soft metals, tiles, and plastics. This broad application makes it an excellent companion for woodworking enthusiasts and those involved in home decoration projects. The ability to cut various materials with precision adds significant value for users looking for a multi-functional tool.
Pricing and Value for Money
The BLACK+DECKER saw is priced at $74.99, while the ZUYIYI model is available for $62.99. This price difference of $12 indicates that the ZUYIYI is the more economical option, offering substantial savings without sacrificing essential features.
Considering the performance capabilities, user safety features, and versatility, both saws provide good value for their respective price points. However, potential buyers may find the ZUYIYI to be a more attractive choice if budget is a primary concern, especially for those who already own compatible Makita batteries.
Which should you buy?
Choosing between the BLACK+DECKER 20V 5-1/2" Cordless Circular Saw and the ZUYIYI 6 Inch Cordless Mini Circular Saw ultimately depends on your specific needs and preferences. The BLACK+DECKER offers a reliable, powerful option for general DIY tasks, especially for users who prefer the POWERCONNECT battery system.
Conversely, the ZUYIYI presents a cost-effective solution with its higher RPM and compatibility with Makita batteries, making it an excellent choice for users needing versatility across various materials. If you prioritize safety features and cutting adaptability, the ZUYIYI may be the better option. Ultimately, both saws deliver solid performance, but your choice should reflect your individual project requirements and budget constraints.

