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DEWALT 20V MAX* String Trimmer, Brushless, 5-Ah Battery, 13-Inch (DCST920P1)

4.5 4.5 out of 5 stars 2,482 ratings

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Brand DEWALT
Power Source Battery Powered
Color Black
Item Weight 8.5 Pounds
Cutting Width 1300 Inches

About this item

  • Patented gear drive design of the edger/trimmer powers through tough overgrowth
  • The cordless grass trimmer provides 13-inch cutting swath with 0.080-inch line
  • Lightweight and ergonomic design of the lawn trimmer maximizes control and minimizes stress on your arms
  • High-efficiency brushless motor maximizes run time and motor life
  • Variable trigger with hi/lo speed control for added power or extended runtime
  • Part of the 20V MAX* system of tools
  • 3-year limited warranty gives you peace of mind
  • QuickLoad spool for fast and easy re-spooling

Customer ratings by feature

Maneuverability
4.4 4.4
Battery life
4.3 4.3
Light weight
4.2 4.2

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DEWALT 20V MAX* String Trimmer, Brushless, 5-Ah Battery, 13-Inch (DCST920P1)
DEWALT 20V MAX* String Trimmer, Brushless, 5-Ah Battery, 13-Inch (DCST920P1)
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PriceCurrently unavailable.$299.99$252.17$132.99$299.99$17.97
Delivery
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Customer Ratings
Battery life
4.3
3.7
4.4
4.0
4.5
Light weight
4.2
4.1
4.1
4.2
4.1
Maneuverability
4.4
4.1
4.6
4.6
Easy to use
4.8
4.4
4.6
Sold By
Amazon.com
JBTools
Amazon.com
SmoothSales#1
Amazon.com
power source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
cutting width
1300 inches
17 inches
17 inches
13 inches
15 inches
0.08 inches
assembly required
weight
8.5 pounds
9.6 pounds
4.96 pounds
15 pounds

From the manufacturer

string trimmer

trimmer

20v

DEWALT 20V MAX XR 13 in. Brushless Cordless String Trimmer

This 20V MAX XR 13 in. Brushless Cordless String Trimmer is designed for the toughest jobs.

Power Through Overgrowth

On the job or in your own yard, DEWALT hedge trimmers get the job done.

Long Motor Life

DEWALT XR brushless tools provide more runtime over brushed motors for high jobsite efficiency and a long motor life to help get the job done time and time again.

variable speed

8.5 lbs

13 in. cutting swath

more power

Control Runtime & Power

With variable speed, you can choose between high performance or long runtime.

Lightweight Design

Weighing just 8.5 lbs. without a battery, this string trimmer helps relieve user fatigue with a well-balanced and maneuverable design.

Get More Done

Knock down wide sections in one pass with a 13 in. cutting swath.

Get More from Your Trimmer

A patented gear drive design helps this brushless cordless string trimmer glide through unruly grass.

dewalt

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Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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DEWALT 20V MAX* String Trimmer, Brushless, 5-Ah Battery, 13-Inch (DCST920P1)


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Product guides and documents

Product Description

The 20V MAX* String Trimmer features a patented gear drive design for amplified torque when powering through overgrowth. The QuickLoad allows for fast and easy line replacement. The grass cutter provides 13 inch of swath with DEWALT's 0.080-inch line. The variable speed trigger offers precise power control as well as performance and runtime management with the Hi/Lo speed control switch. Well balanced and only 8.5 lbs., the edge trimmer is easy to maneuver and puts less stress on the user.

WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Top Brand: DEWALT

Highly Rated
4.7/5 star rating from 100K+ customer ratings
Trending
100K+ orders for this brand in past 3 months
Low Returns
Customers usually keep items from this brand

Important information

To report an issue with this product or seller, click here.

Customer reviews

4.5 out of 5 stars
4.5 out of 5
2,482 global ratings

Customers say

Customers like the battery life, performance, and ease of use of the string trimmer. They mention that it lasts a lot longer than they anticipated, works pretty well, and is easy to use. They also appreciate the weight, and sound. That said, opinions are mixed on quality, power, and size.

AI-generated from the text of customer reviews

236 customers mention180 positive56 negative

Customers like the battery life of the string trimmer. They say it has great battery life, and it lasts longer than they expected. The 5.0 Ah battery is perfect for this trimmer, and the large capacity allows for a long run time.

"...very usable low setting for light duty residential edging, preserves battery life well..." Read more

"...I was worried about balance issues but the battery helps a lot...." Read more

"...Very easy to maneuver for edging. If the battery lasts for quite a while, then I really don't have any complaints...." Read more

"...less effective as time passes on a single battery and the power degrades gradually instead of delivering it consistently, then dying all at once..." Read more

215 customers mention196 positive19 negative

Customers are satisfied with the performance of the string trimmer. They mention that it works well, has great battery life, and works excellently on thick grass and tall plants. The bump feed works well and the unit also works as an edger.

"...You need to protect your legs using this. It works great and is powerful enough to cover your legs with grass and you need protection from flying..." Read more

"...Power-Plenty. I think that is enough to say. It worked on we grass, tall plants, some ink berry bushes (thick stocks) and very new tree growth...." Read more

"...I have had the trimmer for about 5 months now and it still runs great. The small guard does seem lacking when wearing shorts...." Read more

"Works great, comes with string pre filled and ready to go out of the box...." Read more

147 customers mention123 positive24 negative

Customers find the string trimmer easy to use. They mention that it is quiet, convenient, and performs well. The process of replacing the string is not difficult, and it goes quite smoothly. The trimmer is a joy to use and they give credit to Dewalt for making it. They like the small guard, which allows them to maneuver easier and into tighter spots.

"...It was very easy to assemble and DeWalt already has the trimmer head and string put together for you when you open the box...." Read more

"...class-leading (for 18/20v size) dual .080 string headeasy to understand/use bump feed, no gimmicky "auto feed" or confusing mechanisms..." Read more

"...As for the actual review, the trimmer is very easy to use. Plug in the battery and squeezer the handles. Done...." Read more

"...I have finally had to replace the string and the process is not difficult but did require a YouTube video so I could learn the procedure...." Read more

133 customers mention100 positive33 negative

Customers like the weight of the string trimmer. They mention it's easy to use, quiet, powerful, and easy to operate. Some mention that it bumps out more line.

"...It is lightweight, easy to use , quiet, cuts well ,powerful and easy to clean. No fussing with oil and gas with this!..." Read more

"...pros:well balanced, not too heavy, excellent padded grip for non-trigger hand...." Read more

"...this little thing is a beast for its size and it is very light as compared to gas models...." Read more

"...This may bother some people, but I was fine. It's a little head heavy, that's for sure, but far from unmanageable...." Read more

66 customers mention54 positive12 negative

Customers like the sound of the string trimmer. They mention that it is quiet, does not produce a lot of noise, and does not need hearing protection.

"...It is lightweight, easy to use , quiet, cuts well ,powerful and easy to clean. No fussing with oil and gas with this!..." Read more

"...It's way quieter than gas, doesn't shake as bad and turns on/off with the push of a button. This is a no-brainer for those that are on the fence...." Read more

"...No more noise if I feel like using on weekends in morn. Slide in one batt and do whole yard in one charge easy." Read more

"...This works just as good as any gas trimmer I have ever owned and is very quiet and powerful...." Read more

359 customers mention249 positive110 negative

Customers are mixed about the quality of the string trimmer. Some mention that it has the best quality materials, and function, while others say that it didn't last a year and the line kept breaking off. The product is great for light use and can handle thick grass and weeds well, at the cost of battery life. However, some customers say that the spool has completely worn out and the head has overheated, melting and breaking inside the head.

"...It is lightweight, easy to use , quiet, cuts well ,powerful and easy to clean. No fussing with oil and gas with this!..." Read more

"...-up is soft/controlled, recovery is fast when overloaded/bogged, good motor designclass-leading (for 18/20v size) dual .080 string head..." Read more

"...the box appeared to have been thrown off a cliff, complete with rips, tears and one end completely open...." Read more

"...the line that comes on this trimmer is very strong and I even used it to edge my sidewalk with ease...." Read more

216 customers mention113 positive103 negative

Customers are mixed about the power of the string trimmer. Some mention that it has great power for a battery operated, while others say that it stopped working at high speed, slowed down to low power, and malfunctioned. Some customers also have issues with the product being under powered, even in the high setting.

"...You need to protect your legs using this. It works great and is powerful enough to cover your legs with grass and you need protection from flying..." Read more

"...cons:uses batteries fast when on High setting (especially when edging)...." Read more

"...also I would like to add that it has more power than I ever thought it would and does compare to gas models for home owners use...." Read more

"...trigger delay improved some over time although it still does not spin up to full speed as quickly as the other does...." Read more

65 customers mention26 positive39 negative

Customers are mixed about the size of the string trimmer. Some mention that it's not very big, not heavy, and doesn't look like it will do much of a job, while others say that the guard is a little small and is so small that it is practically useless. The length seems to be too short, and customers have to hunch over to use it, which is not ideal.

"...There is one negative. The trimmer guard is too small. You will get flying grass and debris all over your legs using this...." Read more

"...this little thing is a beast for its size and it is very light as compared to gas models...." Read more

"...The guard is so small that only someone who has never used one would put a guard that size on the head! It does nothing at all!!..." Read more

"...is awesome....very light weight, long battery life....perfect for around the house. Considerable difference between the high speed and low speed...." Read more

Fantastic performance and will last if you care for it
4 Stars
Fantastic performance and will last if you care for it
I have had his trimmer for a few months and it is absolutely fantastic. I use it to clean up a half acre lot as well as a 10 foot wide ditch, full of vegetation, that spans the entire length of one side of the property and I can do it all on one charge and still have power left. The low speed is perfect for use on small and larger weeds, I only have to put it on high for super thick weeds.The cons of this trimmer:- The motor filter design doesn't allow for easy cleaning. I have cut up and taped a paint filter over it so I can easily clean it. It really should have a removable filter screen (picture attached). I believe this is the cause of the motor failures people are reporting.- the string can catch in the push button areas of the spool cover evidenced by the photo attached.- the string doesn't like to bump feed as stated. The string lasts much better than others I have used so this isn't a huge problem. I usually don't have to fix the line during use, I just pull out a length before I start and it lasts the whole time.Overall this trimmer is DeWalt quality and I wouldn't trade it for anything. Much better than messing with a gas trimmer. I would recommend this to anybody who wants a good quality trimmer and is willing to spend a little money on it.
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Top reviews from the United States

Reviewed in the United States on May 20, 2016
One person found this helpful
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Reviewed in the United States on April 22, 2015
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Top reviews from other countries

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Julio Resendiz
5.0 out of 5 stars Totalmente recomendable buena herramienta
Reviewed in Mexico on September 29, 2019
FreshAirJunkie
5.0 out of 5 stars I already love this thing!
Reviewed in Canada on April 23, 2017
Customer image
FreshAirJunkie
5.0 out of 5 stars I already love this thing!
Reviewed in Canada on April 23, 2017
UPDATE: Aug 3 2017.
So I've been using this for a few months now and I'm still really happy with it.
I can trim my whole yard and it only shows 1 or 3 bars of battery usage. (I do usually top it up between uses though, just because.)
Still very happy with this! (Although I did notice that it went on sale on Prime day for a lot less than I paid for it.)
I'm leaving my review at 5 stars. I still recommend this unit!

Original Review - April 22 2017.
I'm ecstatic to own this baby!
Words cannot express how sick and tired I am of the two-stroke engine on my current Stihl trimmer. I'm tired of mixing gas & oil, and storing it, and draining it. And fiddling with the dang thing to get it going. And the blue smoke and the smell. Some people have a knack for small equipment. I am not one of those people. (Every year I have to hand the thing off to my brother or somebody with substantially more patience than me to tweak the thing to get it running.) Last summer I barely did any trimming just because I didn't want to deal with the frustration.

And so enter my new DeWalt 20V String Trimmer. LOVE IT!
I already own a 20V DeWalt drill & screw gun set which I also LOVE!
And so I was keen on getting another DeWalt tool that shared the same charger & battery. (And the battery on this baby is huge and powerful.)

I'm a 5'7" woman and this unit is easy enough for me to handle. (No problems at all to trim my fairly small property.) It's nicely balanced when I carry it around by the handle.
And it's powerful. And I love that it shuts off and doesn't putter while it's idling.

Assembly was no problem. Just have to join the top & bottom poles together and tighten some screws and screw the handle on. Charge the battery and you're ready to go.

And so now my Stihl gas powered trimmer is going to be listed on kijiji and I'll take the $75 to help pay for this new DeWalt cordless unit.

These Lithium Ion batteries are finally strong enough to compete with gas powered equipment. For real.
Next on the list is ditching my 25 year old John Deere gas mower for a cordless mower. If only DeWalt made one of those as well...

If you found this review helpful at all, I'd appreciate it if you clicked the "Yes" button. :-)
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130 people found this helpful
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CuriousChris
5.0 out of 5 stars String Trimmer is up to the challenge
Reviewed in Canada on July 3, 2017
17 people found this helpful
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BD
5.0 out of 5 stars Efficacité
Reviewed in Canada on January 19, 2024
wheeters
5.0 out of 5 stars Powerful
Reviewed in Canada on July 30, 2020
7 people found this helpful
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