HomeCircular SawsDEWALT DCS391B Circular Saw Review

DEWALT DCS391B Circular Saw Review

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DEWALT DCS391B is another model of the circular cutting saw that trends in the market today.

It is a product of DeWalt Company that has been improvised to fit in the three main aspects of a reliable and most convenient cutting saw. All cutting saws should have at least two or all of the following features:

  • The ease of use; anyone with less or no skill should be able to handle the machine.
  • Lightweight; this helps in reducing fatigue and tiresomeness during work.
  • Cutting power of the tool; it should have high motor power to perform the cutting task with a lot of ease.
  • The tool cost; the machine should have a relatively cheap price and low maintenance cost.

The DEWALT DCS391B circular saw has all the above features which make it a more reliable circular saw to use at home or anywhere woodcutting is required.

Model and Brand History

DEWALT 6-1/2-Inch 20V MAX Circular Saw, Tool Only (DCS391B)

The Company was established by DeWalt and name after him. It is based in the United States of America, and they’re known for their radical invention of multiple circular saws. DEWALT DCS391B is an improved model of previous circular saws that were created by the DeWalt Company. The present owners of the company are Black & Decker (B&D) who also have other six factories in possession. They are much dedicated to satisfying the needs of their customers by producing more effective tools that make work easy and enjoyable at the same time.

How Effective Is It?

DEWALT DCS391B is designed to cut plywood in all different ways. It has an average weight of two pounds which makes it much lighter and easier to use. It has a trigger that can be operated by any person with or without skills. It has good machine power that makes cutting wood materials much easier. Technically, it might not be the best circular saw in the market, but it is a reliable and affordable tool to work with. You should go for one if you are dealing with plywood materials because it will make work better for you.

DEWALT DCS391B circular saw has powerful features that make it the best saw for your job. A superb motor that outputs a maximum power of 460 watts and runs the blade at the highest speed up to 5,250 rev/min. This provides a perfect cut with a nice finish on the wood. It also provides ease for the cutting operation because of the blade’s speed that cuts through the wood objects fast and with less effort. It has also a bevel capacity of 0 to 50 degrees that make it suitable for a variety of applications.

What Does It Offer?

DCS391B has an impressive motor that produces incredible power to run the carbide six and a half-inch cutting blade to an extreme speed of 5,250 rev/min. This means that your job can be done within seconds by this wonderful tool. A fine grip provided by a molded rubber on the handle enables you to handle the cordless saw with comfort. The incredible bevel capacity (0 degrees to 50 degrees) enables it to cut through tough wood and make accurate and good swift cuts. The carbide blade is able to make the cut at angles of 45 degrees and 90 degrees which makes it simple and easy to work with. The DEWALT DCS391B model comes with a three-year warranty. If it happens to breakdown within the given period of the warranty, you are allowed to return it from where you purchased it for repair.

DCS391B model has excellent features and benefits that make it much reliable for any DIY projects you might have at home or in the workshop. It can cut through tough wood materials so easily with a lot of accuracies, unlike the DCS391B circular saw. Though it uses the battery to power the motor, with its 20-volts input is able to produce a maximum power of 460-watts that move the blade to a speed of 5,250 rev/min. The saw is designed with a lot of expertise and profession that gives it desirable features and an outstanding look. It provides a lot of comfort and safety measures that make it reliable to all skilled and unskilled personnel. The saw is affordable in the market and durable at the same time. This is why you should get one for your home use.

Features Of The Product

DEWALT 6-1/2-Inch 20V MAX Circular Saw, Tool Only (DCS391B)

The saw has more awesome features that will make you go for one for your home use. It has the highest rank in the cordless saw review category. The following are just a few aspects of the DCS391B 20-Volt Max Li-Ion that makes it a more useful cutting tool in the market:


The tool weighs 2 pounds, much lighter than any other circular saw. Its standard size makes it easy to lift and move on your workbench. This will also help reduce general body fatigue during work. You will not feel any pain in the wrists, arms, and shoulders just for carrying the tool when you are using it. You don’t have to be an armature to use it for long hours during the day, because it is light.

It Has A Real Safety Guard

It has an electrical trigger that controls the blade speed, the moment you hold the trigger the blade runs, and it takes only 2 to 3 seconds for the blade to stop moving when you pull your thumb off the trigger. It comes with pretty good electrical brakes that prevent unusual accidents in the middle of the job.


DEWALT DCS391B has a ball bearing on the lower to prevent it from external damage, and an aluminum shoe and casing. The ball bearing at the bottom makes it easy to move around, and go over the obstacle without any damage to the surface.

Cordless design

The standard size that differentiates it from other Dewalt series makes it unique. It is a battery-powered machine, so it is appropriate for people who work in different environments.

Fine Blade Alignment For Easy Tuning

The saw is sharp with fine teeth alignment, and it can be adjusted up to 90 degrees. It gives a smooth and clear finish on the woodcut.


Powered By Battery

The name has this feature include (20-volt max) meaning that it uses a dc voltage input up to 20- volts to power its motor. The battery is purchased separately, so you don’t have to worry about the size of the tool and the weight. This also makes the tool portable and mobile since you can move and work with it at different places.

A Powerful Motor

The motor has a maximum output of 460 watts, which can run the carbide blade at the fastest speed of around 5250 rev/min. The blade is sharp with fine teeth alignment, and with its speed, it can cut through wood objects fast with less effort. The saw is designed in a way to ease your task and provide the most accurate and good finish. It has great working standards that suit it all kind of professional cutting activities.

Fine Grip On The Handle

The handle is molded with rubber to give you the most comfort you deserve while working with the tool. It is rare to hear the case of someone having blisters after using the machine for a long time. The rubber also is meant to reduce fatigue and tiresomeness during work.

Magnesium Shoe

With magnesium shoe and casing, its weight is reduced to the desired standard of a lightweight tool. This makes it portable and light to move around easily. Magnesium is also known for its durability aspect, so the tool is durable and rare to regular breakdowns.

Bevel Angles

The tool has two bevel angles (0 degrees and 50 degrees). The cutting blade can be adjusted to 45 degrees and 90 degrees to get your perfect cut on the wood.


The fact that the machine uses the battery to rotate its motor makes you rely on the battery most of the time. The battery does not last with power and this might be a limitation to the user who has a lot of work to do. The power is much less compare to Skilsaw circular saws. This means that the blade revolves at a lower speed when compared to an electrically powered motor machine.

High cost compared to some tools that can perform the same task. The fact that it has only the weight of 2 pounds and powered by a battery, makes it mobile and simple to use. It makes its price a little bit higher than other simple circular saws.


DEWALT DCS391B is powered by a battery and has good features like electrical brakes, lightweight, cost-effective price, and fine grip on the handle.

The blade is sharp with fine teeth alignment, and still, it can be adjusted to any position up to 90 degrees. This gives a nice cutting to your materials.

The electrical brake enables the machine to stop immediately when something unusual is detected. You have all the reasons to go get one for your home and occasional use.

DEWALT DCS391B 20-Volt Max Li-Ion circular saw is the best saw to use at home and for professional use because of its level of accuracy and precision on the final cut operation. Apart from the battery issue, you have no other reason not to purchase this model of the DeWalt circular saw series.


Marc Anthony
Marc Anthonyhttps://eyeoftheday.org
Hi, I am glad you made it here to know more about me. I am an RV travel blogger. I have been on the road for more than five years, met some extraordinary people, and I have gathered one hell of a piece of information about the tools to build a house in the woods, our own camper van and more!

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