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FLEX 24V Brushless Cordless 6-1/2-Inch In-Line vs SKIL 20V Brushless 6-1/2In. Cordless Compact

Updated July 2026 — FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on power and runtime, SKIL 20V Brushless 6-1/2In. Cordless Compact wins on price and safety.

The FLEX saw offers superior power and cutting capacity, while the SKIL saw provides excellent value and a complete kit.

Why FLEX 24V Brushless Cordless 6-1/2-Inch In-Line is better

Power

FLEX has a 24V battery compared to SKIL's 20V.

Cutting Capacity

FLEX can cut 3x lumber in one pass.

Runtime

FLEX can make up to 430 cuts with a 5.0Ah battery.

Why SKIL 20V Brushless 6-1/2In. Cordless Compact is better

Price

SKIL is priced at $79.00, significantly cheaper.

Complete Kit

SKIL includes battery and charger.

Safety Feature

SKIL has an electric brake for added safety.

Overall score

FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
85
SKIL 20V Brushless 6-1/2In. Cordless Compact
70

Specifications

SpecFLEX 24V Brushless Cordless 6-1/2-Inch In-LineSKIL 20V Brushless 6-1/2In. Cordless Compact
Voltage24V20V
Max RPMN/A5500
Cuts per Charge430105
Battery IncludedNoYes
WeightN/AN/A

Dimension comparison

FLEX 24V Brushless Cordless 6-1/2-Inch In-LineSKIL 20V Brushless 6-1/2In. Cordless Compact

Overview of the Products

When comparing the FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw and the SKIL 20V Brushless 6-1/2In. Cordless Compact Circular Saw Kit, the price difference is significant. The FLEX saw retails for $177.66, while the SKIL saw is priced at $79.00, making the SKIL about 56% cheaper. Both tools cater to woodworkers and DIY enthusiasts, but they offer different features and capabilities that can influence your buying decision.

Power and Performance

The FLEX saw boasts a powerful 24V lithium battery, providing 20% more power than standard batteries. This is complemented by a sensor-free brushless motor designed for higher efficiency. The SKIL saw, on the other hand, operates on a 20V platform but still delivers robust performance with up to 5,500 RPM. It can make 105 cuts in 2x4 pine on a single charge with its included 2.0Ah battery. While both saws are designed for effective wood cutting, the FLEX saw's higher voltage offers enhanced cutting capacity, especially for thicker materials.

Design and Ergonomics

In terms of design, the FLEX saw features an innovative in-line configuration, giving it superior balance and visibility on both sides of the blade for more accurate cuts. This unique design can be a game-changer for users who prioritize precision. The SKIL saw, however, incorporates a compact and ergonomic blade-left design, optimizing visibility of the cut line. Both tools are designed to enhance user experience, but the FLEX offers an edge in visibility due to its in-line configuration, which can be especially beneficial for intricate cuts.

Cutting Capacity

The FLEX saw excels in cutting capacity with the ability to rip through 3x lumber in a single pass, thanks to its 2-9/16" depth of cut. This feature allows for fewer passes and faster project completion. Conversely, while the SKIL saw is designed for efficient cutting, its specifications do not indicate a comparable cutting depth. Thus, for users needing to handle larger lumber, the FLEX saw clearly stands out in this category.

Runtime and Battery Life

When it comes to runtime, the FLEX saw offers exceptional performance, reportedly making up to 430 cuts in 2x4 lumber with a 5.0Ah battery, though the battery is sold separately. In contrast, the SKIL saw is equipped with a 2.0Ah battery that provides a respectable runtime, but with fewer cuts per charge compared to the FLEX. The FLEX's runtime capabilities make it a suitable choice for users who require prolonged usage without frequent recharges.

Safety Features

Safety is paramount in power tools, and both saws come equipped with features designed to protect users. The SKIL saw includes an electric brake that stops the blade quickly, providing added safety during operation. While the FLEX saw does not specify a similar feature, it does have a built-in LED light to illuminate the workpiece for enhanced visibility and precision. If safety features are a priority, the SKIL saw's electric brake may be a deciding factor for users.

Additional Accessories

The SKIL saw comes as a complete kit, including a 2.0Ah battery, charger, and an 18T carbide thin kerf circular saw blade, all for $79.00. This package represents a thorough solution for users looking to get started immediately. In contrast, the FLEX saw is sold as a tool only, with the battery and charger needing to be purchased separately, which can increase the overall cost considerably. For those on a budget or looking for a ready-to-use option, the SKIL offers better value up front.

Which should you buy?

Ultimately, the choice between the FLEX 24V Brushless Cordless Circular Saw and the SKIL 20V Brushless Circular Saw Kit depends on your specific needs. If you're looking for superior power, cutting capacity, and runtime, the FLEX saw is worth the investment despite its higher price. However, if budget is a primary concern and you need a complete kit with essential accessories, the SKIL saw offers excellent value for about 56% less. Each product has unique strengths, so consider what features matter most to you before making a decision.