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ALLOYMAN 20V Cordless Mini Circular Saw, Brushless vs BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in.

Updated July 2026 — ALLOYMAN 20V Cordless Mini Circular Saw, Brushless wins on rpm and battery, BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. wins on blade size and length.

The ALLOYMAN offers superior performance and value, while the BLACK+DECKER excels in ease of use and compatibility.

Why ALLOYMAN 20V Cordless Mini Circular Saw, Brushless is better

Performance

Higher RPM motor for faster cuts

Cutting Capacity

Compact design for tight spaces

Durability

Brushless motor for longer lifespan

Why BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. is better

Ease of Use

Tool-free adjustments for quick changes

Battery System

Interchangeable battery with other tools

Versatility

Larger blade for general DIY tasks

Overall score

ALLOYMAN 20V Cordless Mini Circular Saw, Brushless
85
BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in.
75

Specifications

SpecALLOYMAN 20V Cordless Mini Circular Saw, BrushlessBLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in.
Motor TypeBrushlessBrushed
Safety FeaturesAdjustable GuardPivoting Shoe
Cutting DirectionForward/ReverseFixed
Price$79.99$95.00
Sales Rank114947122423

Dimension comparison

ALLOYMAN 20V Cordless Mini Circular Saw, BrushlessBLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in.

Overview

When it comes to cordless circular saws, the ALLOYMAN 20V Cordless Mini Circular Saw and the BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. Cordless Circular Saw offer distinct features that cater to different user needs. The ALLOYMAN saw is priced at $79.99, while the BLACK+DECKER saw is available for $95.00, making the ALLOYMAN about 17% cheaper. This price difference may influence buyers looking for cost-effective options in the circular saw market.

Performance

The ALLOYMAN excels with its powerful 18,000 RPM brushless motor, providing fast, clean cuts across various materials including metal and wood. This motor design not only enhances cutting performance but also reduces heat buildup, leading to a longer lifespan. In comparison, the BLACK+DECKER features a versatile 5-1/2-inch blade designed for general DIY tasks, but lacks the high RPM and brushless efficiency of the ALLOYMAN. Thus, for users prioritizing high-speed performance and material versatility, the ALLOYMAN stands out.

Cutting Capacity

The ALLOYMAN offers a compact 3-inch blade, making it ideal for tight spaces and precision work. It includes an adjustable depth control system that allows cuts up to 0.83 inches deep, enhancing accuracy and reducing material waste. Meanwhile, the BLACK+DECKER’s 5-1/2-inch blade is better suited for larger cuts but may not perform as well in confined areas. This difference means that those needing a more versatile and compact tool will likely prefer the ALLOYMAN.

User Control and Safety

Safety features are paramount in power tools, and both saws deliver, though in different ways. The ALLOYMAN includes a stable base shoe and a fully adjustable safety guard, enhancing control and safety, particularly in awkward cutting scenarios. It also offers forward and reverse cutting directions, improving handling. On the other hand, the BLACK+DECKER provides a pivoting shoe for added control and tool-free depth adjustment. While both tools focus on user safety, the ALLOYMAN’s additional safety features may make it a more appealing option for cautious users.

Ease of Use

The BLACK+DECKER circular saw shines in its convenience, featuring tool-free depth adjustment and blade change, which simplify operation. Its user-friendly design allows quick adjustments without needing extra tools, making it suitable for those who prioritize speed and efficiency in their projects. The ALLOYMAN, while offering advanced features, may require a bit more setup for adjustments. Therefore, for users who favor ease of use, the BLACK+DECKER might be the preferable choice.

Battery and Compatibility

Both saws come with their own battery systems, but the BLACK+DECKER boasts the POWERCONNECT battery system, allowing compatibility with multiple tools within the same brand. This feature can be a significant advantage for users who already own other BLACK+DECKER products, as it adds convenience and reduces the need for multiple battery types. The ALLOYMAN does include two 4.0Ah batteries, which is beneficial for extended usage, but lacks the interchangeable flexibility of the BLACK+DECKER's system.

Build Quality and Durability

In terms of build quality, the ALLOYMAN's brushless motor is designed for longevity and less maintenance, making it a durable choice for heavy users. Its solid base shoe and adjustable guard enhance its robustness during use, particularly in demanding cutting situations. The BLACK+DECKER, while well-built for home DIY projects, may not match the industrial-grade durability of the ALLOYMAN. Thus, for professionals or frequent users, the ALLOYMAN may be the more reliable option.

Which should you buy?

Choosing between the ALLOYMAN 20V Cordless Mini Circular Saw and the BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. Cordless Circular Saw ultimately depends on your specific needs. If you are looking for high-speed performance and versatility in cutting various materials, the ALLOYMAN, priced at $79.99, stands out as a great value. However, if ease of use and compatibility with other tools are your priorities, the BLACK+DECKER at $95.00 may be more suitable. Consider your project requirements and preferences carefully before making a decision.