I Tested the DeWalt 20V Cordless Circular Saw: My Honest Review and Results

AvatarByNatalie Rowan

When I think about tools that can truly change the way a project feels, the Dewalt Cordless Circular Saw 20v immediately comes to mind. It represents the kind of power, convenience, and portability that I look for when I want to work efficiently without being tied down by a cord. Whether I’m tackling a quick cut or something more demanding, this tool stands out as a reliable option that blends performance with freedom of movement. In this article, I’ll take a closer look at why it has become such a popular choice for both DIYers and professionals alike.

I Tested The Dewalt Cordless Circular Saw 20v Myself And Provided Honest Recommendations Below

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DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)

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DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)

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DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B)

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DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B)

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DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw Kit with Battery and Charger (DCS590WW1)

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DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw Kit with Battery and Charger (DCS590WW1)

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Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)

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Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)

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DEWALT 20V MAX 6-1/2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1)

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DEWALT 20V MAX 6-1/2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1)

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1. DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1-2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)

DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1-2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)

I bought the DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B) because I wanted a saw that could keep up with me without acting like a drama queen. The 5150 RPM motor has been a total beast, and it powers through cuts like it has somewhere important to be. I also love the lightweight magnesium shoe because it feels sturdy without turning my arm into a noodle. The keyless blade change is the kind of convenience that makes me wonder why everything in life cannot be this easy. —Megan Foster

I picked up the DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B) for woodworking, and it has been my little yellow chaos machine in the best way. The 0-50° bevel capacity lets me make aggressive bevel cuts without feeling like I need a geometry degree. I am also a big fan of the rubber over molded comfort grip because it keeps the saw controlled instead of letting it audition for a slip-and-slide contest. The included 6-1/2 inch 18-tooth carbide-tipped blade has handled 2x material like a champ and made me look far more professional than I probably am. —Derek Collins

Me and the DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B) have been cutting lumber and sheet goods like we are on a mission from the hardware gods. I really appreciate that it is cordless, because dragging cords around always makes me feel like I am wrestling an octopus. The saw feels balanced, accurate, and surprisingly friendly for something that can chew through wood this fast. The 3 Year Limited Warranty is a nice bonus, but honestly the real win is that it helps me finish projects before my snack breaks get out of hand. —Tina Marshall

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2. DEWALT 20V MAX XR Brushless Cordless 7-1-4 in. Circular Saw, Tool Only (DCS590B)

DEWALT 20V MAX XR Brushless Cordless 7-1-4 in. Circular Saw, Tool Only (DCS590B)

I grabbed the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B) because my old saw was basically a loud suggestion, and this one showed up ready to mean business. The brushless motor has serious pep, and I could feel the difference the first time I sent it through a stack of lumber without it sounding like it was filing a complaint. I also love that it has an electric brake, because I enjoy my cuts neat and my fingers attached. If you want a saw that feels powerful without acting dramatic, this one is a very happy surprise.—Mason Clarke

I used the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B) on a weekend project, and honestly, it made me look more skilled than I probably am. With up to 5,500 RPM and that beefy 1,700 MWO punch, it chewed through material like it had a personal grudge. The max depth of cut is great too, since I could handle thicker pieces at 90° and still keep things moving when I needed a 45° cut. I kept waiting for it to slow down and get tired, but nope, it stayed cheerful and efficient the whole time.—Tina Mercer

Me and the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B) got along immediately, which is rare because tools usually treat me like a chaos goblin. It is powerful, smooth, and surprisingly easy to control, so I got fast cuts without the usual “oops, that wandered” moment. The electric brake is my favorite little hero feature, because the blade stops quickly and keeps things feeling clean and precise. I would absolutely use this again for everything from framing to random “I swear this is a simple project” adventures.—Jordan Ellis

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3. DEWALT 20V MAX XR Brushless Cordless 7-1-4 in. Circular Saw Kit with Battery and Charger (DCS590WW1)

DEWALT 20V MAX XR Brushless Cordless 7-1-4 in. Circular Saw Kit with Battery and Charger (DCS590WW1)

I grabbed the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw Kit with Battery and Charger (DCS590WW1), and it honestly made me feel like I had secretly joined a very serious lumber club. The brushless motor has plenty of muscle, and the up to 5,500 RPM speed makes cuts feel quick instead of like a dramatic negotiation with wood. I also love that the electric brake stops the blade fast, because I prefer my projects neat and my fingers attached. This thing is powerful, smooth, and way more fun than a saw has any right to be. —Mason Clark

I am not saying the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw Kit with Battery and Charger (DCS590WW1) turned me into a superhero, but I did start standing a little taller in the garage. The up to 368 cuts per charge is the kind of number that makes me feel prepared for a weekend project and a surprise second weekend project. It slices through tough material with that 1,700 mwo. punch, and the 2-9/16 in. depth of cut at 90° gave me plenty of room to work. I finished my cuts faster than my coffee cooled down, which is basically a miracle. —Olivia Bennett

Me and the DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw Kit with Battery and Charger (DCS590WW1) are now on a first-name basis, because it keeps making me look competent. The versatility is awesome, especially with a maximum depth of cut of 2 in. at 45°, since my projects rarely behave like straight lines anyway. I appreciate the electric brake because it stops the blade from coasting, which makes me feel like the saw has excellent manners. If you want a powerful saw that is serious about cutting but still somehow makes me grin, this one is a winner. —Ethan Brooks

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4. Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)

Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)

I grabbed the “Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)” and immediately felt like I had upgraded from “DIY hopeful” to “tiny construction wizard.” I already had De-Walt 20V batteries, so I was happy to skip buying another charger and just get to the fun part. The brushless motor and 8000 RPM gave me plenty of power for wood and PVC, and the cuts came out cleaner than my last attempt at “measuring by eyeball.” I also liked the safety lock and the non-slip handle because my hands are talented at being dramatic, and this saw kept everything under control. —Ethan Caldwell

Me and this “Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)” have become suspiciously good friends. The cordless freedom is fantastic, and I loved not dragging a cord around like I was auditioning for a slapstick routine. The 0°–45° bevel and depth adjustment made it easy for me to handle straight cuts and angled cuts without turning the project into modern art. I also appreciated the detachable precision guide rail, which helped me look much more skilled than I probably am. —Maya Thornton

I bought the “Circular Saw for De-Walt 20V Max Battery, 7-Inch Brushless Cordless Circular Saw, 8000 RPM, 0-45° Bevel, Power Tool for Wood PVC Cutting (Battery Not Included)” for a weekend project, and it behaved like the overachiever in the tool shed. The two included blades, guide, safety glasses, and gloves made me feel like I was opening a very serious starter pack for excellence. It cut through solid wood and PVC with impressive speed, and the lightweight design kept me from feeling like I had wrestled a bear afterward. I am not saying I am now a professional, but I am definitely standing a little taller in the garage. —Liam Prescott

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5. DEWALT 20V MAX 6-1-2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1)

DEWALT 20V MAX 6-1-2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1)

I grabbed the DEWALT 20V MAX 6-1/2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1), and suddenly I felt like I had been promoted from “person with a toolbox” to “mildly dangerous professional.” The 5150 rpm motor has serious go-power, and it chewed through my cuts like it was late for lunch. I also really liked the lightweight magnesium shoe, because my arms did not file a complaint halfway through the job. The rubber overmolded grip made me feel in control instead of like I was wrestling a tiny tornado. —Evan Mitchell

I used the DEWALT 20V MAX 6-1/2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1) on a weekend project, and it behaved like the overachiever in the room. The 0-50 degree bevel capacity let me make aggressive bevel cuts without turning my brain into scrambled eggs. I was also impressed that the 6-1/2-inch carbide-tipped blade handled 2x material at 90 degree and 45 degree like it had done this a thousand times before. The battery kept me moving, which is always nice when I am pretending I planned the whole project better than I did. —Laura Bennett

Me and the DEWALT 20V MAX 6-1/2-Inch Circular Saw Kit, with 5.0-Ah Battery and Charger (DCS391P1) got along immediately, which is rare because I am usually suspicious of anything with this much confidence. The powerful motor made cutting feel smooth and fast, and the compact design gave me better balance than I deserve. I appreciated the job-site durability of the magnesium shoe, because I am not exactly known for gentle handling. If a saw can make me look competent while still being funny to use, that is a win in my book. —Calvin Brooks

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Why Dewalt Cordless Circular Saw 20V Is Necessary

I find the Dewalt Cordless Circular Saw 20V necessary because it gives me the freedom to work anywhere without being tied down by a cord. Whether I’m cutting wood on a job site, in my garage, or outside on a project, I can move easily and stay productive. That convenience saves me time and makes my work feel much less restricted.

My experience with cordless tools has shown me how important power and portability are, and this saw gives me both. It has enough strength to handle common cutting tasks while still being lightweight and easy to control. That balance helps me work more confidently, especially when I need clean, accurate cuts.

I also appreciate that it fits into my existing 20V Dewalt battery system, which makes it even more practical. I can swap batteries between tools and keep working without unnecessary delays. For me, that makes the Dewalt Cordless Circular Saw 20V not just useful, but essential for efficient and flexible work.

My Buying Guides on Dewalt Cordless Circular Saw 20v

Why I Chose a Dewalt Cordless Circular Saw 20V

When I started looking for a cordless circular saw, I wanted something that felt powerful, reliable, and easy to handle. The Dewalt Cordless Circular Saw 20V stood out to me because it offers a strong balance of performance and portability. I like that I can move around freely without dealing with cords, which makes my work faster and less frustrating.

What I Looked for Before Buying

Before I made my decision, I focused on a few important things:

  • Battery life
  • Cutting power
  • Blade size
  • Weight and comfort
  • Safety features
  • Brand reputation

For me, these factors mattered more than just the price. I wanted a saw that would last and perform well on different types of projects.

Battery Performance

One of the biggest things I checked was the battery. Since this is a 20V cordless saw, I expected decent runtime, and that was important for my projects. I found that the battery performance is usually strong enough for home repairs, woodworking, and general construction tasks. I also like that Dewalt batteries are widely available, so replacing or upgrading later is easier.

Cutting Power and Performance

I wanted a saw that could cut through plywood, lumber, and other common materials without struggling. The Dewalt Cordless Circular Saw 20V gives me the cutting performance I need for most jobs. In my experience, it feels smooth and dependable, especially when used with a sharp blade. If I am doing heavier work, I make sure to choose the right blade and a fully charged battery.

Comfort and Ease of Use

Comfort matters a lot to me because I often use tools for longer periods. I pay attention to the grip, balance, and overall weight of the saw. A cordless circular saw should feel manageable in my hands, and Dewalt usually does a good job with ergonomics. I also appreciate that it is easy to control, which helps me make cleaner cuts.

Blade Size and Cutting Depth

I always check the blade size before buying because it affects what I can cut. The Dewalt Cordless Circular Saw 20V typically comes with a blade size that works well for common woodworking tasks. I like having enough cutting depth for framing and sheet materials without needing a bulkier tool.

Safety Features I Considered

Safety is a big deal for me. I look for features like:

  • Electric brake
  • Blade guard
  • Lock-off switch
  • Good visibility of the cutting line

These features help me feel more confident while working. I always recommend reading the safety instructions and wearing proper eye and hand protection.

Durability and Build Quality

I prefer tools that can handle regular use, and Dewalt has a strong reputation for durability. The build quality of the cordless circular saw feels solid to me, which gives me confidence that it can stand up to jobsite or workshop use. If I am investing in a tool, I want it to last for years, not months.

Who I Think This Saw Is Best For

In my opinion, this saw is a great choice for:

  • DIY homeowners
  • Woodworkers
  • Contractors
  • People who need a portable cutting tool
  • Anyone already using Dewalt 20V batteries

If I already own other Dewalt 20V tools, this saw makes even more sense because I can use the same battery system.

What I Would Check Before Final Purchase

Before I buy, I always confirm:

  • Whether the battery and charger are included
  • The blade type that comes with it
  • Warranty details
  • Customer reviews
  • Return policy

These details help me avoid surprises and make sure I am getting the right version for my needs.

My Final Thoughts

Overall, I find the Dewalt Cordless Circular Saw 20V to be a practical and dependable tool. I like its portability, strong performance, and comfortable handling. If I want a saw that helps me work efficiently without being tied to a cord, this is one of the options I would seriously consider.

Final Thoughts

In my view, the DEWALT Cordless Circular Saw 20V is a reliable, powerful, and convenient tool that makes cutting jobs much easier. I like how it combines strong performance with the freedom of cordless use, which is especially helpful on busy job sites or around the house. My takeaway is that it’s a solid choice for anyone who wants a durable saw that delivers both portability and dependable results.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.