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FLEX 24V Brushless Cordless 6-1/2-Inch In-Line vs Makita XSH03Z 18V LXT® Lithium-Ion Brushless

Updated July 2026 — FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on warranty and design, Makita XSH03Z 18V LXT® Lithium-Ion Brushless wins on performance and price.

The Makita XSH03Z offers proven performance and higher RPM speeds, making it a strong choice for users seeking reliability. However, the FLEX 24V provides innovative design and lower cost.

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

Price

FLEX is cheaper at $177.66 compared to Makita's $199.88.

Design

FLEX features an in-line design for better visibility.

Warranty

FLEX offers a 5-year limited warranty.

Why Makita XSH03Z 18V LXT® Lithium-Ion Brushless is better

Performance

Makita has a higher RPM of 5,000.

Brand Reputation

Makita has a better sales rank at 38,486.

Battery Efficiency

Makita's BL Brushless motor optimizes battery use for longer runtime.

Overall score

FLEX 24V Brushless Cordless 6-1/2-Inch In-Line
75
Makita XSH03Z 18V LXT® Lithium-Ion Brushless
85

Specifications

SpecFLEX 24V Brushless Cordless 6-1/2-Inch In-LineMakita XSH03Z 18V LXT® Lithium-Ion Brushless
Motor TypeBrushlessBrushless
Cut Depth2-9/16"2-5/8"
RPM4,5005,000
Battery Voltage24V18V
Weight6.5 lbs7.0 lbs

Dimension comparison

FLEX 24V Brushless Cordless 6-1/2-Inch In-LineMakita XSH03Z 18V LXT® Lithium-Ion Brushless

Overview of the FLEX 24V and Makita XSH03Z

The FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw is priced at $177.66, making it about 17% cheaper than the Makita XSH03Z, which costs $199.88. Both tools are designed for efficiency and power, targeting professionals and DIY enthusiasts seeking reliable cordless options. The FLEX offers a unique in-line design for superior visibility, while the Makita is renowned for its innovative brushless motor technology.

Design and Build Quality

The FLEX 24V features the world's first in-line circular saw design, which enhances balance and visibility, allowing users to see both sides of the blade clearly. This design is particularly beneficial for making precise cuts. Meanwhile, the Makita XSH03Z boasts a more traditional circular saw shape, yet it is equipped with a robust build that emphasizes durability and longevity, characteristic of Makita's reputation in tool manufacturing. Both saws are built to withstand rigorous use, but the FLEX’s unique design may appeal to those prioritizing cut accuracy.

Performance and Power

In terms of performance, the FLEX 24V offers 20% more power due to its 24V lithium battery, along with a brushless motor that eliminates friction and increases efficiency. On the other hand, the Makita XSH03Z features an electronically controlled BL Motor that achieves speeds of up to 5,000 RPM, providing faster cutting and ripping. While the FLEX excels in runtime, offering up to 430 cuts in 2x4 lumber with a 5.0Ah battery, the Makita's automatic speed change technology adjusts cutting speed and torque dynamically, optimizing performance based on the task at hand.

Runtime and Efficiency

The FLEX 24V is designed for exceptional runtime, boasting a capacity to make up to 430 cuts in 2x4 lumber. This impressive figure highlights its efficiency and power management. In comparison, the Makita XSH03Z's BL Brushless motor is optimized to extend runtime by up to 50% per charge, emphasizing battery efficiency. While both tools excel in efficiency, the FLEX provides a specific cut count that can help users gauge its capabilities in real-world scenarios.

Charging Technology

FLEX's charging technology allows for up to 50% faster charging times thanks to its high-power, dual fan chargers. This feature can significantly reduce downtime for users working on extensive projects. Conversely, the Makita XSH03Z incorporates Star Protection technology, which not only enhances battery performance but also protects against overheating and over-discharging. While both ensure that users spend less time waiting for batteries to charge, FLEX’s faster charging may be more appealing for those in a hurry.

Warranty and Support

FLEX offers a generous 5-year limited warranty for its tools when registered within 30 days of purchase, which provides users with peace of mind regarding their investment. The Makita XSH03Z also comes with robust support but does not specify a warranty period in the provided data. This aspect may be a deciding factor for users who value long-term support and assurance in their tool purchase.

Brand Reputation and Rank

The Makita XSH03Z ranks significantly higher in sales, with a bestseller rank of 38,486 compared to the FLEX’s rank of 108,816. This suggests that the Makita model is more popular among consumers, often attributed to its established reputation for quality and performance in the power tool industry. While the FLEX offers innovative features, the Makita's proven track record may give it an edge in terms of consumer trust.

Which should you buy?

Choosing between the FLEX 24V Brushless Cordless and the Makita XSH03Z ultimately depends on specific user needs. If you prioritize a lower cost and innovative design for visibility and precision, the FLEX at $177.66 might be the better option. However, if you seek proven performance, higher RPM speeds, and robust battery efficiency, the Makita priced at $199.88 could be worth the investment. Both saws provide excellent capabilities; your choice should align with your preferences for performance, design, and brand loyalty.