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40V Brushless Cordless Battery Attachment Capable String Trimmer with 4.0 Ah Battery and Charger

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  • Attachment Capable: Works with RYOBI Expand-It Attachments
  • Brushless Motor Delivers Increased Power and Run Time
  • Works with all RYOBI 40V Batteries
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Product Overview

The RYOBI 40V Brushless String Trimmer gives you the cordless convenience you want with the GAS-LIKE POWER you need. The EXPAND-IT attachment capability allows you to transform your trimmer into an edger, blower, pole saw and many more tools with the available attachments, meaning you can save time, space and money. This RYOBI trimmer has a brushless motor for maximum power and durability. This unit is equipped with the REEL EASY plus 3-in-1 Bump Feed Head with SPEED WINDER, which can be reloaded in 60-seconds or less. This REEL EASY plus head can function as a bump feed head, fixed line head or bladed head. The variable speed trigger and 2-speed switch deliver increased control for any application. The adjustable 13 in. to 15 in. cut swath allows you to optimize your trimmer for increased run time or increased productivity. This lightweight and well-balanced design also has an adjustable front handle for user comfort and is backed by a 5-year warranty. The trimmer is equipped with a 4.0 Ah battery and charger that are compatible with over 75 RYOBI tools on the RYOBI 40V system.
  • Brushless motor for maximum power and durability
  • Attachment capable: works with RYOBI expand-it attachments
  • Reel Easy+ 3-in-1 bump feed head
  • Bump feed head for easy reloads in under 60-seconds, includes speed winder, compatible with 0.080 in. or 0.095 in. cutting line
  • Bladed head with heavy-duty serrated blades, ideal for heavy weeds and thick grass
  • Fixed line head, designed for fast and simple reloads, no winding or bumping required, line pivots for increased durability and long-life
  • Compatible with 0.080 in. and 0.095 in. line
  • Adjustable 13 in. to 15 in. cutting width
  • Variable speed with 2-speed trigger for more control
  • Adjustable front handle for user comfort
  • Includes RYOBI 40V lithium-ion high capacity battery and 40V lithium-ion charger
  • Works with all RYOBI 40V lithium batteries
  • 5-year tool warranty, 3-year battery warranty

  • volt, amp, string trimmer, mower, battery, cordless, electric, gas, 40. ryobi

  • Click here for more information on Electronic Recycling Programs
  • California residents

Additional Resources

From the Manufacturer

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Save $20.00 (14%)
Voltage (v)18v40v40v40v
FeaturesRechargeableAttachment Capable,Brushless,Edger Conversion Capable,Precut Lines,Rechargeable,Zero EmissionsAttachment Capable,Brushless,Edger Conversion Capable,Precut Lines,Rechargeable,Zero EmissionsBrushless,Rechargeable,Zero Emissions
Line Advance SystemAutomaticBumpBumpBump
Battery/Charger(1) 4 Ah Battery & Charger Included(1) 4 Ah Battery & Charger Included(1) 4 Ah Battery & Charger Included(1) 6 Ah Battery & Charger Included
Shaft TypeStraightStraightStraightStraight
Power TypeCordlessCordlessCordlessCordless
Line Style Size.
Shaft Length (in.)5450.550.550
Start TypeElectricElectricElectricElectric
Voltage (volts) 40 V
View ProductView ProductView ProductView Product



Assembled Depth (in.)17 inAssembled Height (in.)65.25 in
Assembled Width (in.)11 inLine Style Size.095
Maximum Cutting Path Diameter (in.)15Recommended Line Diameter (in.).095
Shaft Length (in.)50.5


Assembly RequiredYesBattery Amp Hours4 Ah
Battery TypeLithium IonBattery/Charger(1) 4 Ah Battery & Charger Included
Charger IncludedCharger IncludedFeaturesAttachment Capable,Brushless,Edger Conversion Capable,Precut Lines,Rechargeable,Zero Emissions
Head TypeWind without AssemblyIncludedBattery,Blade,Multiple Heads,No-tool Line Replacement,String
Line Advance SystemBumpNumber of Total Batteries Included1
Number of Trim Lines4Power TypeCordless
Product Weight (lb.)11.7RefurbishedNo
Returnable30-DayShaft TypeStraight
Start TypeElectricTools IncludedString Trimmer
Trimmer Line TypeStringTrimmer TypeHand Held
Voltage (v)40vVoltage (volts)40 V

Warranty / Certifications

Manufacturer Warranty5-Year Limited Tool Warranty, 3-Year Limited Battery Warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.7
    out of 4,873 reviews
  • 95%recommend this product
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Showing 1-10 of 4,873 reviews
Very Powerful
[This review was collected as part of a promotion.] I upgraded from an older Ryobi 40V string trimmer because of the brush less motor, and I'm so glad I did. This machine has loads of more power and runs smoother than the previous unit I have making edging and brush removal easier! the redesign of the bump feed works really well and the winder for the string replacement is so convenient! The trigger takes some time getting used to, as I miss the double sided triggers on the older model that was so much easier to use when flipping the tool from one side to the other. The angled rubberized handle is way more comfortable and allows secure grip from both angles. I also love the fact that this trimmer accepts larger diameter strings.
    • Recommended
    Great trimmer for my large yard
    Trimmer has replaced my Stihl model FS55R. With a wink and a nod I could get it to start. Now life is much easier. The Ryobi was easy to assemble. Battery charge was smooth, and I was off to work. The lightweight carbon shaft and balanced unit worked well right out of the box. With a smooth throttle level, and a two level switch for higher speeds, it made for reliable and simple trmming. and as and electric trmmer, I could turn on and off to pick up twigs and get back to work. The ability to add string was simple as well. The tool provided makes it simple to load more line, simply install the end of the line, us the spooling tool to wind the line, then install the cap, done. It will be a nice addition to the other tools in my Ryobi Line up including a Mower, chain saw, and blower, which have all proven reliable, quiet, and easy to use.
      • Recommended
      1 found this review helpful
      Awesome Lawn Care Tool
      [This review was collected as part of a promotion.] This grass trimmer is the "cat's meow". So easy to use, light weight but heavy duty. This the best trimmer I have ever owned. I like its weight and especially the ease of reloading the trimmer string with the spooler tool. I plan to purchase a blower and an edger for next season. My recommendation - get this tool!!
        • Recommended
        This trimmer is really powerful
        This is a real powerful trimmer But too Big for me and not too confortable for left handed people. But it's amazing it's the dame power of a gas trimmer and not noisy
          • Recommended
          3 found this review helpful
          Battery is different shape from EVERY other 40v Ryobi. Doesn't work in some tools with vertical 'pocket'
          The battery doesn't work on all 40v Ryobi tools. It's a different shape!! -- I have a 40v chainsaw (RY40502) that I needed another battery for. Since my gas trimmer was on it's last leg, I decided to buy this trimmer kit (RY40270VNM) and get the trimmer and a charger for only $40 more than the 4ah battery they sell separately. I put the trimmer to use and was satisfied. I went to use the chainsaw a few days later and the battery won't fit!! Yes, it's very close, but I would have to dremel about 1/8" off the top corners (or the 'top' inside corners of the vertical battery pocket) to make it fit! This makes NO sense Ryobi. Why manufacture two different 4ah/144wh batteries of the same physical dimensions, but with a different profile? (Unless it's to increase your bottom line when people realize they have to buy batteries separately in the end after-all. This appears to be a shameless, time-delayed money grab...) -- This is NOT a case of me being confused about Ryobi's recently released larger (and some mid-size) capacity batteries that have a taller chassis. The chassis on the battery in this kit (OP40404), is the same height as the previous battery for the chainsaw (OP40401). The difference is the profile/shape. See the attached image. (Or compare the pictures from this very ad to the OP40401 to see what I mean.) The top is wider, which pushes the top corners outwards, keeping them from fitting in the nicely rounded corners of Ryobi's standard vertical battery pocket. It would have been SO easy for Ryobi to avoid this by simply including the 4AH battery they sell separately. Why make two versions? -- Buyer beware! If you have the nerve to assume the 40v battery in this kit will work with 40v Ryobi tools that have a vertical battery 'pocket' for standard 4ah batteries, you'll be wrong.
          Response from RYOBIOutdoorsJul 21, 2021
          Hello, Superkru - If you would, will you please email us at reviews@ryobitools.com? We'd like to connect and continue this conversation. RYOBIOutdoorTools
            • Recommended
            43 found this review helpful
            I like
            [This review was collected as part of a promotion.] I just bought it and I'm happy with the way it works
              • Recommended
              [This review was collected as part of a promotion.] Bought to make more ease of all lawn tools Very easy to use.
                Worth the money!
                [This review was collected as part of a promotion.] I bought this 40v kit along with the hedge trimmer, edger, cultivator, and pole saw attachments. Could not be happier! No more buying gas and mixing with oil. No more hard starting. Just put the battery, pull the trigger and it works! The string trimmer is much more powerful than my Stihl straight shaft trimmer. Will be purchasing another battery and more attachments in the future.
                  • Recommended
                  So easy to use and change out heads
                  [This review was collected as part of a promotion.] Just got a new house and my dad gave me his old weed trimmer and what seemed like a mile of power cords so I could use it all over my lawn. Tried it once and said no way, went inside, ordered this gem, and got to work a few days later. Immediately able to figure out how to change the heads and took down a small meadow in my back yard with the blades. This thing ripped, the blades were durable, and I had fun. Everything from the trees and beyond in the pic was 3 feet+ of mess and the trimmer took it all down with a 2Ah battery and my 125MPH Ryobi blower pushed all of the leftovers plus wet leaves pressed into the mud to the back of the yard and out of eyesight. Planting a wildflower meadow and this was an easy first step toward doing so. Let this be the last review you read, buy the unit - improve your landscaping.
                    • Recommended
                    Misaligned trimmer head and video swapping heads.
                    [This review was collected as part of a promotion.] When I received the trimmer. The attachment pole and head were misaligned so I had to remove the collar screw and the collar set screw to align the heads and pole. I also show a youtube video on how to remove and replace the trimmer heads. It's a little tricky and does require some force twist on and off.
                      • Recommended
                      Showing 1-10 of 4,873 reviews