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Internet #311222449

Model #DCST922P1

Store SKU #1004693396

20V MAX Lithium-Ion Brushless Cordless String Trimmer with (1) 5.0Ah Battery and Charger Included

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  • Durable folding hinge, for easy transportation and storage
  • 14 in. swath size
  • Variable speed trigger high/low speed control
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Top Rated

Product Overview

This 20-Volt MAX 14 in. String Trimmer features an innovative folding hinge mechanism that reduces the length by 41% for accessible storage and quick portability. The QuickLoad Spool allows for fast and easy line replacement of the DEWALT 0.080 in. line. The 14 in. swath gives a large cutting radius for knocking down wide sections of overgrowth in one pass. The variable speed trigger offers precise power control, as well as performance and runtime management with the Hi/Lo speed control switch.

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Name20V Cordless String Trimmer (Tool Only)20V MAX Lithium-Ion Brushless Cordless String Trimmer with (1) 5.0Ah Battery and Charger Included40V Brushless Cordless Battery Attachment Capable String Trimmer with 4.0 Ah Battery and ChargerFLEXVOLT 60-Volt MAX Li-Ion Electric Cordless Attachment Capable String Trimmer with Edger Attachment for String Trimmer
Voltage (v)20v20v40v60v
FeaturesNo Additional FeaturesAntivibrationAttachment Capable,Brushless,Edger Conversion Capable,Precut Lines,Rechargeable,Straight Shaft,Zero EmissionsAttachment Capable
Line Advance SystemAutomaticBumpBumpBump
Trimmer Line TypeStringStringStringString
Power TypeCordlessCordlessCordlessCordless
Shaft TypeStraightStraightStraightStraight
Start TypeElectricElectricElectricElectric
Battery TypeLithium IonLithium IonLithium IonLithium Ion
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Assembled Depth (in.)
10.125 in
Assembled Height (in.)
39.125 in
Assembled Width (in.)
5.375 in
Line Style Size
Maximum cutting path diameter (in.)
Recommended Line Diameter (in.)
Shaft Length (in.)


Assembly Required
Battery Amp Hours
5 Ah
Battery Type
Lithium Ion
(1) 5 Ah Battery & Charger Included
Charger Included
Charger Included
Head Type
Wind without Assembly
Battery,No-tool Line Replacement,Replacement Head
Line Advance System
Number of Total Batteries Included
Number of Trim Lines
Power Type
Product Weight (lb.)
8.62 lb
Shaft Type
Start Type
Tools Included
Battery,Charger,String Trimmer
Trimmer Line Type
Trimmer Type
Hand Held
Voltage (v)

Warranty / Certifications

Manufacturer Warranty
Three Year Limited Warranty1 Year free service90 DAY money back Guarantee

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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Customer Reviews

  • 4.3
    out of 1,959 reviews
  • 77% recommend this product
Filter by:
Showing 1-10 of 1,959 reviews
Brings the power
I bought this to replace lighter duty black and decker battery trimmer. I’m able to trim my 1/2 acre yard on a single charge (low power mode). I didn't even need to switch to more power, this has plenty of power for me even cutting 12” tall grass.
    • Recommended
    Powerful, Strong, and has Versatile Batteries
    I suggested that my daughter who had just purchased her first home get one of these. I had the opportunity to try hers out when i visited. I was very impressed that it had very ample power and that it has two speeds to allow folks who aren't that strong to handle it. I have other 20 volt DeWalt tools and am glad that my previously bought batteries will work in this unit. I also advised my daughter that she can do the same when she gets some more power tools. I looked at the non-folding counterpart to this trimmer and it seemed flimsy. I figured it was worth a few extra bucks to get this one. A really nice thing about this tool is that it works well to edge my lawn - I have an old gas powered Weed Eater and was looking for an edger. However, after trying my daughter's trimmer, I decided to retire my old gasser and join Buck Rodgers in the 21st century and go electric. Now I have a powerful trimmer that functions as an effective edger too. It is nice to see that the battery form-factor will works on so many other DeWalt tools - including the lawn mowers (for when my wife can no longer push our manual reel mower; take it easy there haters - she does it for exercise and does not mind). The only thing I would suggest to make this unit more customer-friendly, is that the screws holding the line guard use Allen-heads the same size as the included wrench for the Auxiliary Handle. That way the user has everything they need to get going right in the box. One final point; I saw a negative reviewer complain about the weight, balance, and lack of ambidexterity of this fine product. To that I say; maybe try one from another maker - it will likely not be as good as this tool (i.e. flimsy, lousy batteries, right-hand preferential, weak warranty, etc., etc., etc). The competition may be a less heavy but for me, when it comes to tools robustness is worth the extra weight.
      • Recommended
      20V folfing trimmer
      Fist trimer the plastic release catch to folding feature broke immediately, fragile part, should be made of metal. Returned trimmer and took home amother one. Works greatI love it but beware of folding option.
      • Verified Purchase
      Trimmer Bump Cap Cheap Quality
      I bought this trimmer in the middle of the summer in 2020. I have a very small corner property in a rural neighborhood. I rarely have to do any trimming because most of the time I can get it all with my lawn mower. It is June 26, 2021 and this is the first time this season I have used it just to sharpen up the edges and clean the curb/road growth. I love this trimmer, except for one major problem, the shipped trimmer cap is made of pretty cheap plastic. I have probably only used the trimmer a total of 5 times and the bump feed cap is eroding away at a pretty fast pace. I did see someone else post that as an issue when they purchased it, saying they bumped on some rocks and the trimmer cap busted. But I went with the purchase anyway since my space is not rocky nor does it have any challenging features. I'm surprised and disappointed in how quickly the cap is shredding with such light use. I do see there is a replacement head but I will have to buy the whole assembly and not just the cap. I am hoping the replacement is of better quality plastic. The rest of the trimmer, the electric motor, the stem, handle, battery housing all feel and seem to be high quality, so again, pretty odd place to cheap out on parts. So I still recommend if you have a smaller property and only do light trimming, just be prepared in a year or less you might have to buy the replacement head. A tip: if you use this trimmer with the Flex Volt instead of just the 5 hr 20v that comes with it, I feel like it gives the trimmer that extra boost. The 5 hour 20v seems to run down pretty fast with this trimmer. It's pretty light weight, I do like the folding feature but honestly do not use it that often. Powerful enough for standard weeds and grasses that grow up between the curb and the road. (Also the guard popped off yesterday, I guess the screws vibrated out and I probably won't find them in my yard. So check those occasionally)
      Response from DewaltProductExpertJul 1, 2021
      Hi Thomas
      Thank you for providing your feedback on DCST922P1 . We're sorry to hear of the trouble you are having. We would appreciate the chance to speak with you and assist you with the warranty of the parts. Please email WECARE@sbdinc.com and reference case #13494064
      Thank you
      Customer Care
        • Recommended
        5 people found this helpful
        DO NOT BUY
        If you are looking for a trimmer that literally eats line and was designed to solve problems that didn't exist, this is the trimmer for you. The head is a serious design flaw. Bought this because I was sick of lugging my other Dewalt trimmer back and forth to our weekend place. I have the prior model and it's very good. The head here, although easy to load, is flawed. If you encounter any resistance while trimming, from a landscaping stone or rock, to house foundation, to a tough weed, it pulls line from the head, eating line. If you lightly set the trimmer head the ground for a second with it stopped, line is release on start up, eating line. sometimes, the power on start up will spin line out, eating line. I trimmer maybe 70 feet of flower bed yesterday, this is what I picked off the line. Three total times using this, each for maybe 10-15 minutes, and I'm now on the third spool of line. My other dewalt trimmer, which is similar to the current 925B (same head) would last the summer at both places combined. So I clearly have something wrong with the spool on this one, which means a design flaw. It spins to loose and easy to spool line on, so it clearly is to loose to use, allowing line to fly out under all conditions.
        Response from DewaltProductExpertJun 22, 2021
        Hi KJ
        We appreciate your feedback on the DCST922P1
        We are sorry to hear about the issue you are having with your product. This is not the kind of performance we expect from our products and would like to speak to you about this issue so we can assist you in resolving this to your satisfaction. Please email me at wecare@sbdinc.com and reference case # 13455273. I look forward to hearing from you.
        We apologize for the inconvenience you are having.
        Thank you
        Customer Service
          5 people found this helpful
          Surprised with the power of trimmer, not balanced well
          The blower performed as I expected. Its not meant for large jobs but works great for blowing off the deck or driveway. The trimmer however, really surprised me with how much power it had. I have about 35 minutes worth of trimming to do and it is just as strong if not stronger than my stihl trimmer. The 5.0ah battery died after 30 minutes of heavy use. The only downside to the trimmer is that its not balanced very well. Even with the 5.0ah battery it is still alot heavier at the trimmer head, making it harder to hold. Would not want to trim very long with it. Would give 5 stars if it was balanced better.
            • Recommended
            1 person found this helpful
            Returned items sold as new?
            I am just opening my trimmer and haven’t used it at all yet. When I opened it to assemble, it was covered in grass and has obviously been used and returned. (It was only used lightly) I guess I am being a little picky since I haven’t used it yet, but I feel if I am buying something new, I shouldn’t get a used item.
              3 people found this helpful
              This trimmer exceeded expectations and did an excellent job!
              I don't write many reviews, only when the product exceeds expectations and performs really well. I bought this today for my daughter and trimmed her entire yard, including 2 foot grass along the fence and landscaping beds that have not been serviced for over a year. I'm an electrical engineer that designs BLDC motors and controls and I'm very impressed with this device (I've been impressed with all Dewalt BLDC designs I've tested). I didn't think a 20V 5Ahr battery pack could perform the way this did, and it was very impressive! I compliment the Dewalt engineers for a great design!.
                • Recommended
                8 people found this helpful
                So Far So Good
                So far I' m happy with my purchase..Has good power and also the run time isn't to bad considering its cutting through allot of stuff so if you have a well maintained yard and only have to keep it on low then you should be able to finish most all yard work before the battery goes dead..My only complaint is wish they would have made the guard wider and just all around a bit more wider so stuff doesn' t fly up as often as it does... mean don't get me wrong its not the worst ever but being that its Dewalt they know darn good and well they could have made the guard better all around though its a great weed eater for sure
                  Best weed eater ever used
                  I recently purchased this weed eater and finally got to use it and man does it have power. I’ve always been skeptical towards battery weed eaters versus gas, but DeWalt pulls through as always. I’ve landscaped sine I was a kid, although high school and college for work and have generally stuck with Stihl or echo. I would put this up against either of those any day of the week.
                    • Recommended
                    Showing 1-10 of 1,959 reviews