Key Takeaways:

  • Flex power tools are revolutionizing the cordless tool market with their advanced technology and robust design.
  • The Flex Stacked Lithium Advantage and sensor-free brushless motor technology deliver unmatched battery power and durability.
  • Flex's commitment to compatibility and efficiency is evident in its array of tools, which are designed to meet the needs of professionals and DIY enthusiasts alike.

Flex Power Tools: A Force to Reckon With

When it comes to power tools, Flex is a name that resonates with quality and innovation. The brand has consistently pushed the boundaries of what's possible with cordless technology, and its latest lineup is no exception. Each tool in the Flex arsenal is engineered to deliver more power, longer run times, and durability that stands the test of time. Whether you're a seasoned professional or a dedicated DIYer, Flex Power Tools are designed to keep you at the forefront of efficiency and productivity.

How We Choose

Our team has spent hours researching through thousands of user reviews and star ratings for the best tools on the market. We take into account factors such as quality, performance, sustainability, and affordability when recommending products to our readers. We strive to find the best options that meet everyone’s needs - even those on a budget!

We hope you find your next special item from the list below! These products were independently selected by our editors. Good Guru Reviews may collect a share of sales or other compensation from the links on this page if you decide to buy something (at no additional cost to you, that's how we stay in business). Enjoy finding your next special item with us!

The Flex Stacked Lithium Advantage: Powering Your Projects

At the heart of Flex power tools lies the Flex Stacked Lithium Advantage. This cutting-edge battery technology provides an ah lithium-ion battery that's not only long-lasting but also maintains a consistent output throughout its charge. This means you can work longer without the frustration of power dips. The intelligent sensor-free brushless motor further enhances the tool's performance, ensuring maximum efficiency and a longer lifespan for the motor.

FX2141R-1J: The Rear Handle Circular Saw That Cuts Above the Rest

The Flex Cordless 7-1/4-Inch Rear Handle Circular Saw Kit (FX2141R-1J) is a testament to Flex's commitment to innovation. With its durable motor design and industry-leading torque, this saw is built to tackle the toughest cutting jobs with ease. The built-in LED lighting illuminates your work area, while the vibration function switch ensures a steady hand on precision cuts. This saw is not just a tool; it's a game-changer for any construction or woodworking project.

Unmatched Battery Power: Keep Cutting Without the Cord

Say goodbye to the limitations of corded saws. The FX2141R-1J's unmatched battery power allows you to cut freely without searching for an outlet. The included v w rapid charger gets your saw back in action quickly, minimizing downtime. With Flex 24v cross compatibility, you can use the same battery across an array of Flex tools, streamlining your workflow and reducing the clutter of multiple batteries and chargers.

FX2271-Z: The Reciprocating Saw That Reciprocates Reliability

Flex's Cordless Reciprocating Saw (FX2271-Z) is a powerhouse that's ready for demolition, remodeling, or any task that requires aggressive cutting. The tool's durable construction can withstand the rigors of heavy use, while the constant speed control ensures that you maintain optimal cutting speed under load. With the charger sold separately, you have the flexibility to choose the charging solution that best fits your existing Flex lineup.

Turbo Mode Increased Speed: Power Through with Precision

The FX2271-Z features a turbo mode increased speed setting that lets you power through the most challenging materials. This saw doesn't just cut; it demolishes obstacles with ease. The vibration suppression technology keeps the tool steady, allowing for precise cuts even under the most demanding conditions. With the Flex advantage of a sensor-free brushless motor, you can expect this reciprocating saw to deliver time and time again.

FX1271T-1H: The Hammer Drill That Hits Harder

Flex's 1/2-Inch 1400 In-Lbs Torque 2-Speed Hammer Drill Turbo Mode Kit (FX1271T-1H) is a force to be reckoned with. It's equipped with a full metal chuck that can handle the high-impact energy required for hammer drilling. The dual fan chargers work tirelessly to keep the battery cool for the long haul, ensuring that you can drill confidently through the toughest materials without overheating concerns.

Intelligent Sensor-Free Brushless Motors: The Heart of Flex Tools

Flex's commitment to innovation is exemplified by their intelligent sensor-free brushless motors, which are at the core of their power tools. These motors are designed for maximum efficiency and durability, ensuring that each Flex tool operates at its peak performance. The absence of sensors not only reduces the potential for mechanical failure but also contributes to the extremely efficient operation of the tools. This technology allows for industry-leading torque, making even the most challenging tasks seem effortless.

The sensor-free brushless motor technology is a game-changer for professionals and DIY enthusiasts alike. By eliminating the friction and wear associated with traditional brushed motors, Flex tools with these advanced motors run cooler and last longer, thanks to the Therma-Tech heat management system. This means less downtime and more productivity on the job site. Whether you're drilling through tough materials or cutting with precision, the intelligent design of Flex's brushless motors ensures that you're always working with power and reliability.

Flex 24V Batteries, Chargers, and Tools: A Seamless Ecosystem

Flex's 24V battery platform is the cornerstone of their cordless lineup, offering a unified ecosystem where batteries, chargers, and tools are all compatible with each other. The 24V AH lithium-ion battery is engineered to provide long-lasting power to the entire range of Flex 24V tools, ensuring that users can switch between tasks without skipping a beat. With the 24V fast charger, these batteries are quickly recharged and ready to go, minimizing downtime and keeping you on the move.

The Flex Cross Compatibility feature is a testament to the brand's user-centric design philosophy. It allows for a seamless transition between tools, which is essential for maintaining a productive workflow. Whether you're using a hammer drill with a drilling diameter that challenges the norm or a jig saw with built-in LED lighting for enhanced visibility, the assurance that batteries, chargers, and tools are all part of the same robust system means that you're always on the same page, link after link. This interoperability is a clear indication that Flex is committed to providing solutions that are as intelligent as they are powerful.

Hammer Drilling with Intelligence: The Smart Way to Drill

The FX1271T-1H isn't just about brute force; it's about smart power. The intelligent sensor-free brushless motor adjusts to your drilling applications, providing the right amount of power when you need it. The productivity interchangeable chuck quickly adapts to different tasks, making this hammer drill a versatile addition to your toolkit. And with the built-in LED lighting, you'll have a clear view of your work, no matter the lighting conditions.

FX2231-Z: The Jig Saw That Makes Precision Cutting a Breeze

Flex's Orbital D-Handle Jig Saw (FX2231-Z) is a marvel of precision and control. With its four modes transitioning smoothly, you can adjust the cutting action to match the material you're working with. The Therma-Tech heat management system ensures that the jig saw stays cool, even during extended use. And the vibration suppression technology allows for smooth operation, giving you the confidence to make the most intricate cuts.

Built for the Long Haul: A Jig Saw That Lasts

The FX2231-Z is not only efficient but also built to last. Its durable tool construction can withstand the demands of continuous use, making it a reliable partner for any project. The constant speed control maintains cutting efficiency, ensuring that you get consistent results every time. And with the Flex v batteries chargers, you can keep this jig saw—and your entire Flex lineup—powered up and ready to go.

FX4221-1F: The Trim Router That Delivers Precision and Power

Flex's Trim Router Kit (FX4221-1F) is a compact yet powerful tool that's perfect for detailed woodworking tasks. The high power output of this router allows for clean, precise cuts, while the depth guide ensures accuracy down to the last millimeter. The more power feature means you can tackle harder woods without bogging down, and the durable motor design guarantees that this router will be a mainstay in your workshop for years to come.

Compatibility and Convenience: Flex's Unified Approach

The FX4221-1F exemplifies Flex's commitment to ah lithium-ion battery and charger compatibility. This not only simplifies your charging setup but also ensures that you can easily switch between tools without missing a beat. The Flex v brushless technology in this router provides smooth operation and longevity, making it a smart investment for any serious woodworker.

FX1551A-Z: The Hammer Tool That Breaks New Ground

Flex's Hammer Tool (FX1551A-Z) is a robust and versatile tool designed for demolition and construction. With its SDS Plus Rotary Hammer feature, you can expect high-impact energy for breaking through concrete and masonry. The chisel adjustment allows for quick changes in angle or position, making it ideal for a variety of chipping and breaking tasks. And with the SDS rotary hammer capability, you can switch to drilling mode for precise holes in the hardest materials.

Flex 24V Brushless Cordless 6-Tool Combo Kit, Model FXM601-2B

The 24V Brushless Cordless 6-Tool Combo Kit, model FXM601-2B, represents a comprehensive solution designed for both professional tradesmen and DIY enthusiasts looking to tackle a wide range of tasks without the constraint of cords. This robust collection includes a hammer drill, hex impact driver, circular saw, multi-tool, reciprocating saw, and a work light, making it an all-encompassing package for cutting, drilling, fastening, and lighting needs in various materials.

At the heart of this combo kit is the advanced brushless motor technology that powers each tool, offering superior efficiency, longer runtime, and extended durability compared to traditional brushed motors. The brushless motors optimize battery usage, ensuring that users can work longer on a single charge, which is critical during extended work sessions.

Included in the kit are two lithium batteries: a compact 2.5Ah battery for lighter tasks requiring less power and weight, and a more substantial 5.0Ah battery for more demanding applications where additional run time is necessary. These batteries feature state-of-the-art lithium technology, providing consistent power output and fast recharge times with the included 160W charger. The charger is designed to quickly replenish battery life, minimizing downtime and enhancing productivity on the job site.

Flex Cross Compatibility: A Unified Battery System

The FX1551A-Z benefits from the Flex cross compatibility, allowing you to use the same batteries across the entire Flex lineup. This not only saves you money but also reduces the hassle of managing multiple battery types. The intelligent sensor-free brushless motor ensures that this hammer tool operates at maximum efficiency, delivering the power you need without unnecessary wear on the components.


Flex power tools are redefining what it means to work cordlessly. With their advanced stacked lithium technology, sensor-free brushless motors, and robust design, these tools are built to deliver unmatched performance and durability. The FX2141R-1J circular saw, FX2271-Z reciprocating saw, FX1271T-1H hammer drill, FX2231-Z jig saw, FX4221-1F trim router, and FX1551A-Z hammer tool each showcase Flex's commitment to innovation and efficiency. Whether you're cutting, drilling, or demolishing, Flex has a tool that will exceed your expectations and keep you working smarter, not harder.

FAQ Section

Q: Are batteries and chargers included with all Flex power tools? 

A: Some Flex power tools come with batteries and chargers included, while others, like the FX2271-Z reciprocating saw, have the charger sold separately. Check the product details for specific information on flex 24v cross compatibility with 5.0ah lithium ion battery 2.5ah lithium ion battery.

Q: Can I use the same Flex battery for all my Flex power tools? 

A: Yes, Flex offers cross compatibility, which means you can use the same Flex v batteries and chargers with all Flex v tools, enhancing 5 stars convenience and reducing the need for multiple batteries you find at authorized dealers.

Q: Are Flex power tools suitable for both DIY and professional use?

Flex power tools are designed to cater to both DIY enthusiasts and professional users. The brand offers a range of sturdy and reliable power tools that are suitable for various applications. Whether it's tackling DIY projects at home or using the tools in a professional capacity, Flex power tools are engineered to deliver consistent performance and durability. Their versatility and build quality make them a viable choice for individuals across different skill levels and project requirements.