BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. vs Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw -
Updated July 2026 — BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. wins on battery, Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw - wins on rpm and length.
The Milwaukee M18 Circular Saw offers superior cutting performance and durability compared to the BLACK+DECKER model, 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 cheaper.
Weight
BLACK+DECKER is lighter.
Battery System
Interchangeable battery system.
Why Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw - is better
Cutting Power
Milwaukee delivers 3,500 RPM.
Durability
Milwaukee has magnesium guards.
Ergonomics
Milwaukee features a soft-grip handle.
Overall score
Specifications
| Spec | BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. | Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw - |
|---|---|---|
| Power | 20V | 18V |
| Max RPM | 3000 | 3500 |
| Blade Type | Cordless | Cordless |
| Durability | Standard | High |
| Ergonomics | Good | Excellent |
Dimension comparison
Overview of the BLACK+DECKER and Milwaukee Circular Saws
When comparing the BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. Cordless Circular Saw and the Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw, both tools offer distinct advantages tailored for different user needs. The BLACK+DECKER is priced at $95.00, while the Milwaukee comes in slightly lower at $94.00, making it about 1% cheaper. This price difference reflects their unique features and capabilities, which cater to various DIY and professional tasks.
Cutting Performance
The Milwaukee excels in cutting performance, delivering a powerful 3,500 RPM motor designed for quick cuts through tough materials like LVL headers. This high RPM enables the Milwaukee to handle more demanding tasks effectively. In contrast, the BLACK+DECKER features a 5-1/2 in. blade that is ideal for a range of DIY projects but may not match the raw power of the Milwaukee. Users looking for a saw to tackle heavy-duty tasks may find the Milwaukee's performance more suitable.
Design and Durability
In terms of design, the Milwaukee boasts a magnesium upper and lower guard, providing superior durability and blade protection. This robust construction is beneficial for both professional contractors and serious DIYers who need a tool that can withstand rigorous use. The BLACK+DECKER, while compact and user-friendly, does not highlight the same level of durability in its description. Its design focuses more on ease of use with features like tool-free depth adjustment and blade changes, making it a great choice for casual users.
Ergonomics and Usability
The ergonomics of a tool can significantly affect user experience, and here, the Milwaukee shines with its soft-grip handle that ensures comfortable and controlled cuts. This feature is especially useful during extended use, reducing fatigue. The BLACK+DECKER also offers a pivoting shoe for enhanced control, which can aid in making precise cuts. However, the Milwaukee's ergonomic design may provide a more comfortable experience for users who frequently engage in heavy cutting tasks.
Versatility of Applications
Both saws cater to a range of applications, but their versatility differs. The BLACK+DECKER is positioned as a versatile tool suited for various DIY tasks, from home repairs to light construction work. Its compatibility with the POWERCONNECT battery system allows users to interchange batteries with other tools from the same brand, adding to its convenience. On the other hand, the Milwaukee is designed for more specific applications, including plumbing, electrical, framing, finishing, and carpentry. This broader range of applications may appeal to professionals who need a reliable tool for different job sites.
Battery and Power System
Battery power is crucial for cordless tools, and the BLACK+DECKER features a 20V MAX POWERCONNECT battery that is rechargeable and compatible with other tools in the system. This interchangeability can save users money in the long run, as they can use the same battery across multiple devices. The Milwaukee, however, is sold as a bare tool, meaning it does not include batteries or chargers. This can be a disadvantage for those who do not already own compatible Milwaukee batteries, potentially increasing the overall cost for new users.
Price Comparison
The BLACK+DECKER is priced at $95.00, while the Milwaukee's price is slightly lower at $94.00. This makes the Milwaukee about 1% cheaper than its competitor. However, considering the differences in features, such as the Milwaukee's higher RPM and durable construction, some users may perceive the price difference in the context of the value each tool provides. For those on a tighter budget, the $1 saving may not be a decisive factor, but for users who prioritize performance and durability, the investment in the Milwaukee may justify its cost.
Sales Rank and Market Performance
The best-seller rank indicates market performance, where the Milwaukee holds a better position at 17,973 compared to the BLACK+DECKER's rank of 122,423. This suggests that the Milwaukee is more popular among users, potentially due to its superior cutting performance and durable design. Users may consider this rank as a vital factor when deciding which tool to purchase, as it reflects customer satisfaction and product reliability.
Which should you buy?
Deciding between the BLACK+DECKER 20V MAX POWERCONNECT 5-1/2 in. Circular Saw and the Milwaukee M18 Cordless Lithium-Ion 6-1/2" Circular Saw depends largely on your specific needs. If you are looking for a lightweight, versatile saw for general DIY tasks and appreciate the flexibility of battery interchangeability, the BLACK+DECKER may be the better choice. However, if you require a more powerful tool capable of handling tougher materials and prefer a design that prioritizes durability and ergonomic comfort, the Milwaukee stands out as the superior option.

