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FLEX 24V Brushless Cordless 6-1/2-Inch In-Line vs Makita XSH04ZB 18V LXT® Lithium-Ion Sub-Compact

Updated July 2026 — FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on cuts per charge and battery voltage, Makita XSH04ZB 18V LXT® Lithium-Ion Sub-Compact wins on rpm and price.

The FLEX 24V Circular Saw offers superior cutting capacity and runtime, making it a better choice for heavy-duty tasks, while the Makita XSH04ZB excels in portability and ergonomics.

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

Cutting Capacity

FLEX can cut 3x lumber in one pass.

Runtime

FLEX achieves up to 430 cuts with a 5.0Ah battery.

Price

FLEX is priced at $177.66, cheaper than Makita.

Why Makita XSH04ZB 18V LXT® Lithium-Ion Sub-Compact is better

Weight

Makita weighs only 6.4 lbs for better portability.

Speed

Makita's motor delivers 5,000 RPM for faster cuts.

Ergonomics

Makita has a compact design for user comfort.

Overall score

FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
85
Makita XSH04ZB 18V LXT® Lithium-Ion Sub-Compact
78

Specifications

SpecFLEX 24V Brushless Cordless 6-1/2-Inch In-LineMakita XSH04ZB 18V LXT® Lithium-Ion Sub-Compact
Motor TypeBrushlessBrushless
Warranty5 yearsStandard
LED LightYesYes
Charging TimeFastFast
CompatibilityFLEX 24VMakita 18V

Dimension comparison

FLEX 24V Brushless Cordless 6-1/2-Inch In-LineMakita XSH04ZB 18V LXT® Lithium-Ion Sub-Compact

Overview of the FLEX 24V Brushless Cordless Circular Saw

The FLEX 24V Brushless Cordless Circular Saw is a powerful tool designed for enhanced efficiency and precision. It features a unique in-line design that offers superior balance and visibility, making it ideal for accurate cuts. With a current price of $177.66, it offers a solid option for professionals and DIY enthusiasts alike.

The saw’s standout features include a sensor-free brushless motor that maximizes power and efficiency. It is capable of cutting through 3x lumber in one pass with a depth of cut of 2-9/16 inches. Additionally, the saw boasts an exceptional runtime, delivering up to 430 cuts in 2x4 lumber with a 5.0Ah battery, which is sold separately. This makes it a reliable choice for heavy-duty tasks.

Overview of the Makita XSH04ZB Circular Saw

The Makita XSH04ZB 18V LXT® Circular Saw offers a compact, ergonomic design that weighs only 6.4 lbs with a 2.0Ah battery, promoting operator comfort during use. Priced at $189.00, it is a versatile tool designed for various cutting and ripping applications.

This saw features a powerful brushless motor that delivers a remarkable 5,000 RPM, enabling faster cutting speeds. Its large cutting capacity of 2-1/4 inches at 90 degrees makes it suitable for a range of tasks, from framing to roofing. Furthermore, the saw incorporates Makita's Automatic Speed Change technology, which adjusts speed and torque for optimal performance, adding to its appeal for professional users.

Performance Comparison

In terms of performance, the FLEX 24V Circular Saw has the edge when it comes to cutting capacity. It can cut through 3x lumber in one pass, which is beneficial for larger projects requiring substantial cuts. On the other hand, the Makita XSH04ZB, while still powerful, has a maximum cutting capacity of 2-1/4 inches at 90 degrees. This results in a difference in suitability for specific tasks, particularly larger cuts.

While both saws feature brushless motors for enhanced efficiency, the FLEX model can complete approximately 430 cuts in 2x4 lumber with a 5.0Ah battery, while the Makita saw achieves about 350 cross-cuts per charge using a 2.0Ah battery. This indicates that for heavy-duty applications, the FLEX may provide longer operational periods before needing a recharge, making it a strong contender for professionals.

Design and Ergonomics

The design of the FLEX 24V Circular Saw focuses on balance and visibility, thanks to its in-line configuration. This design enhances user control, allowing for more accurate cuts. The built-in LED light further improves visibility, which is especially useful in dimly lit work environments.

Conversely, the Makita XSH04ZB's compact and ergonomic design weighs only 6.4 lbs, which is beneficial for prolonged use. The saw's blade-right design is tailored for comfort and ease of handling, making it suitable for users who prioritize portability. Both tools are designed to enhance user experience, but their design philosophies cater to slightly different needs—FLEX for stability and visibility, and Makita for lightweight handling.

Battery and Charging Efficiency

Battery efficiency is a critical factor for cordless tools. The FLEX circular saw is powered by a 24V lithium battery system, which is touted to provide about 20% more power and 25% longer runtime than traditional batteries. Additionally, it supports fast charging, allowing users to maximize their uptime.

The Makita XSH04ZB operates on an 18V LXT battery system, which is part of the world’s largest cordless tool system. While this system offers impressive performance and fast charge times, the saw's performance metrics indicate that users will get about 50% longer runtime with brushless motors compared to non-brushless alternatives. Users may find the FLEX’s battery performance more robust, particularly for extensive cutting tasks.

Price Comparison

When comparing the prices, the FLEX 24V Circular Saw is currently available for $177.66, making it about 6.7% cheaper than the Makita XSH04ZB, which is priced at $189.00. This price difference can be a significant factor for budget-conscious buyers who are looking for high-performance tools without breaking the bank.

Furthermore, the FLEX model has a 90-day average price of $188.38, indicating that it might be available at an even better deal compared to its historical pricing. The Makita saw, on the other hand, has a 90-day average price of $166.89, suggesting that it may have fluctuated in price but currently stands at a higher point. This price dynamic could influence purchasing decisions, especially for users looking for the best value.

Warranty and Customer Support

Both the FLEX and Makita circular saws come with solid warranty options, which are essential for ensuring customer satisfaction and long-term reliability. The FLEX circular saw offers a 5-year limited warranty when registered within 30 days of purchase, providing peace of mind for users investing in this tool.

The Makita XSH04ZB does not explicitly state a warranty period in the provided data, but Makita generally offers a standard warranty for their tools. Users should verify the warranty details at the time of purchase to ensure they receive adequate support. Both brands are known for their customer service, but the longer warranty period of the FLEX could be a deciding factor for some buyers.

Which should you buy?

Choosing between the FLEX 24V Brushless Cordless Circular Saw and the Makita XSH04ZB ultimately depends on your specific needs and preferences. If you require superior cutting capacity and longer runtime for heavy-duty tasks, the FLEX 24V model may be the better choice. It also has a lower price point, making it an attractive option for those on a budget.

On the other hand, if portability and a lightweight design are your priorities, the Makita XSH04ZB offers excellent ergonomics and versatility for various applications. Additionally, its established reputation in the industry could provide reassurance for many users.

Both saws have their strengths, so consider your specific cutting needs, budget, and design preferences before making a decision.