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ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger (Tool Only)

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  • Pivoting Head for Edging
  • Battery and Charger Not Included
  • Over 260 ONE+ Tools- All Work With Any RYOBI ONE+ 18V Battery
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Product Overview

The RYOBI 18-Volt ONE + 13 in. String Trimmer has a lightweight design making it portable and easy to use around your yard. With our auto-feed line head it will automatically advance the line whenever the trigger is released. This trimmer is also equipped with a variable speed trigger so you can have more control around fences, masonry, and other areas of your yard. Featuring a pivoting head, easily convert your string trimmer into an edger using the step to edge mechanism. The adjustable 11 in. to 13 in. cutting width allows you to optimize your trimmer for increased runtime or a wider cutting width. As a part of the RYOBI 18-Volt ONE + system, it is compatible with all 18-Volt ONE + batteries. Backed by a 3-year warranty.
  • Lightweight design for portability
  • Head pivots for edging
  • Variable speed trigger for more control
  • Compatible with.065 and.080 trimmer line
  • Auto-feed line head
  • Adjustable 11 in. to 13 in. cutting width
  • Works with all RYOBI 18-Volt ONE + batteries
  • 3-year warranty

  • California residents

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ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger (Tool Only)
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NameONE+ 18V 13 in. Cordless Battery String Trimmer/Edger (Tool Only)ONE+ HP 18V Brushless 13 in. Cordless Battery String Trimmer (Tool Only)20V MAX Cordless Battery Powered String Trimmer (Tool Only) with Trimmer LineONE+ HP 18V Brushless Whisper Series 15 in. Cordless Battery String Trimmer (Tool Only)
Voltage (v)18v18v20v18v
FeaturesAutomatic Line-Advance System,Edger Conversion Capable,RechargeableBrushless,RechargeableNo Additional FeaturesBrushless,Rechargeable
Line Advance SystemAutomaticAutomaticAutomaticAutomatic
Battery/ChargerTool OnlyTool OnlyTool OnlyTool Only
Shaft TypeStraightStraightStraightStraight
Power TypeCordlessCordlessCordlessCordless
Line Style Size.
Shaft Length (in.)5429.538 in43.5
Start TypeElectricElectricElectricElectric
View ProductView ProductView ProductView Product



Assembled Depth (in.)9 inAssembled Height (in.)58 in
Assembled Width (in.)12 inLine Style Size.080
Maximum Cutting Path Diameter (in.)13Recommended Line Diameter (in.)0.080
Shaft Length (in.)54


Assembly RequiredYesBattery Amp HoursNo Battery
Battery TypeLithium IonBattery/ChargerTool Only
Charger IncludedCharger Not IncludedFeaturesAutomatic Line-Advance System,Edger Conversion Capable,Rechargeable
Head TypeCartridgeIncludedNo-tool Line Replacement,String
Line Advance SystemAutomaticNumber of Total Batteries Included0
Number of Trim Lines1Power TypeCordless
Product Weight (lb.)6 lbRefurbishedNo
Returnable30-DayShaft TypeStraight
Start TypeElectricTools IncludedString Trimmer/Edger
Trimmer Line TypeStringTrimmer TypeHand Held
Voltage (v)18v

Warranty / Certifications

Manufacturer Warranty3 Year Limited Warranty

Questions & Answers

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Customer Reviews

  • 4.4
    out of 119 reviews
  • 93%recommend this product
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Showing 1-10 of 119 reviews
As a trimmer, 3 stars. As an edger, 0 stars.
As a trimmer, 3 stars. As an edger, 0 stars. This combo trimmer/edger is about the same size as the last one I had, but slightly heavier, due to the battery size. It is perfectly manageable for the average male or female. Unfortunately, other than that, it has only a couple of things going for it. It works well enough on the “trimmer” setting provided that you don’t release the trigger too often (for the reasons described later). I used it at my mom’s house on a large patch of tenacious weeds at least 30 feet by 120 feet that the lawn service had been avoiding. The weeds were about 10 inches high but in a shady spot, so they were not particularly dense. The trimmer worked well for a good hour, whacking down the weeds, and never really losing any power until right before the battery went dead. On the “edger” setting, though, it is absolute torture. It is without a doubt the most frustrating tool I have ever used on my lawn. For starters, it is not a very smooth transition to switch it from a trimmer to an edger, or vice versa. The foot pedal is a joke. I found it to be completely useless. Every time I want to switch modes, I need to turn the whole tool upside-down to make the change. And the claim that “Every Trigger Release Advances String” is totally false. This last time I used the tool, which was only the fourth time overall, it would go no more than 15 to 20 seconds at a time before I would have to manually refeed the line by, again, turning the whole tool upside-down, taking the spool assembly apart, and rethreading the line back through the little hole. I think the problem is that the specially “twisted” Ryobi line gets stuck on itself within the spool, which prevents it from advancing as it should. Then the little stub retreats back inside the spool and cannot find its way back out. So you fix it, and then literally 20 seconds later, you have to do it all over again. At this rate, my lawn takes 30 minutes to cut, but 60-plus minutes to trim and edge. No thanks! As if that isn’t annoying enough, the spools don’t last very long. My property is pretty small – only 50 feet by 60 feet. One spool lasted for only one single trim. After the first time I used it and ran out of line, I purchased additional Ryobi cartridges, thinking that maybe the trimmer came with a “starter” spool with a shorter amount of line – but that was not the case. Even with the new spools, each one lasted for only one trim. That’s more than 5 bucks’ worth of line each time I use the trimmer. Ridiculous. In the end, while it did do the job edging, it's just not worth the time and angst. I felt like I was talking to a bad boyfriend the entire time I was using it: “I hate you. You are the worst! Do I have to do everything myself? Stop being difficult!” My neighbors probably think I’ve gone bananas. I mean, I’ll keep the battery and charger to use for my other Ryobi products, but I am absolutely done with using this tool.
Response from RYOBIJun 3, 2022
Hello, Eightofeight - We're very sorry to hear about the frustrating experience you've had with this trimmer! And we'd appreciate an opportunity to discuss this further and see if we can make it better. If you would, please keep an eye on your inbox for an email from us at Reviews@RYOBItools.com. RYOBIOutdoorTools
2 found this review helpful
Great concept, poor realization due to auto string feed feature
I ordered this trimmer/edger with high hopes for a tool that has more than one function. I went to work using the trimmer configuration as soon as I got it out of the box and charged the battery. It worked great! It was nice to have the automatic line feed instead of the old “tap and go” line advancer so that I didn’t look like I was pounding a snake to death in the grass. I was working in some pretty heavy grass in a ditch so I could hear the line advancing as I worked. Unfortunately most of the line on the spool disappeared as I cut. When I went to replace the line I realized that it would be easier to replace with a pre-wound spool instead of reloading the spool as I was used to doing. Pre-wound spools were cheap so I didn’t mind. I found that another negative was the weight of the trimmer head, I had forgotten this characteristic of electric trimmers. By the time I finished the ditch my shoulders felt like I had been swinging a bush axe! I decided to try out the edger function. It was very easy to change over by pressing the pedal and rotating the trimmer head. I can see that the wheel may interfere with rotation of the head as time goes on. However using the edger was excellent. It cut a very straight but shallow line thru centipede grass. Unfortunately the automatic line feed was a problem again. By the time I had edged about 20 feet along my driveway the string was used up. I believe that this trimmer/edger is a good idea but the automatic line feed makes it nearly unusable. Would I recommend it? That's a big maybe. Perhaps with more practice I’ll get better at it.
  • Recommended
Great edge trimmer, Great concept: One Battery fits Everything
I really like this Trimmer/Edger. Having one rechargeable battery type (18V/4Ah) that fits all of the One+ power tools is easy and convenient. It was easy to assemble out of the box (about 10 mins), and the battery charged in just a few hours. FEATURES I LIKED: - The unit is relatively light and well balanced - Dual speed capable. - Battery Run time: about 1 hour. Usually enough time to trim an average size suburban lawn. - Rotable motorhead (horizontal and vertical): … so you can trim around trees, fence posts etc (horizontal mode)…or you can edge your driveway and sidewalks (vertical mode). - The head can be easily rotated from horizontal to vertical using a foot pedal on the back of the motor head. - It has a guide wheel on the head to help you make consistently straight cuts. - Automatic line cutoff blade keeps the trimmer string trimmed to 11in. or 13 in. (adjustable) - Auto line advance. This unit advances the trimmer line in ¼ inch increments by stopping/starting the switch trigger (see instructions). DO NOT try to advance the line by “bumping” the head on the ground (as is common technique used in older trimmer models). - The only expendables needed for this unit is some occasional silicone spray for some of the moving parts, and replacement line spools which are available for about $11/spool (9 ft length). Spool multipacks are available in 1,3,5, & 10 quantity. - Easy to follow instructions OVERALL: I like this trimmer. Being able to “borrow” batteries from other One+ tools is a great time-saver in the event you run out of juice midway through your lawn trimming task.
  • Recommended
unique new foot-tilt feature, well balanced, quiet, automatic string entension and auto-trim
Assembly was easy and fast! Push the extension into the other pole; two screws hold it in place. The guard is held by three small screws and lock into place automatically thanks to recessed cups. You only need a phillips screwdriver, nothing else. Weighs about 10 pounds with a 4aH battery. The big battery makes it feel lighter because it balances the business-end. I show that in the photo where I hold it with just two fingers. It gets up to speed almost instantly. Runs fairly quietly: at around 87 decibels, WAY quieter than our neighbors noisy stinky old gas machines. (WATCH my SHORT 8 second video to hear it in action.) Has plenty of torque to cut weeds, grass and even some small saplings. Comes with the string installed. Replacing the string is easy and fast. It holds about 13 feet of trim-line. One feature I really like is how it extends and cuts the line automatically. You don't need to "tappy-tap-tap" all the time. Just pull the switch, the line extends a little bit and trims automatically. A unique new feature is the foot-operated "tilt-to-trim" position. ( SEE PHOTO) Just step on the foot pedal; the head rotates 90 degrees. The wheel supports the trimmer and helps guide it. That makes edging much neater and easier. That also makes it easier to stand out of the flying-debris-path. I still wear safety goggles, but now I'm not covered in grass clippings! Nice. On thick patches of grass this tends to slow down a bit, but that doesn't matter much for small jobs I do at home. A professional might need more power for bigger jobs. I don't. Battery life is plenty for our yards and walkways. We use this at our lake property which has four-hundred feet of walkway from the garage down to the pier. I get done in about 20 minutes and the motor still runs strong with the 4aH battery. Ryobi chargers do more than just charge the batteries. They monitor and maintain battery health. Ryobi batteries have proven to be reliable in all our Ryobi tools. I have about thirty Ryobi tools, some of which we've used for ten years or more. I attribute much of that to Ryobi's smart chargers. Overall, I rate this string-trimmer quite high for ergonomic features, reasonable power and reliability. It is definitely a "best value" tool that's well-suited to homeowner's needs. A professional might need more power for bigger jobs and daily use. For this practical homeowner, Ryobi is my first choice. They have never let us down.
  • Recommended
1 found this review helpful
Great addition to the RYOBI ONE+ Line Up!
Battery-operated lawn equipment has jumped leaps and bounds in recent years and RYOBI is a leader with its ONE+ System of tools. This string trimmer/edger fits in well for the average homeowner with a lawn to trim and a sidewalk to edge. The unit comes with a battery and charger and both are part of the RYOBI ONE+ system of tools so you can get their other tools to work with this battery system. It's convenient to have a system like that so you have one interchangeable set of batteries for your tools. Some assembly is required for this edger, but nothing major. You should have it together in fifteen minutes or so. It's a typical assembly in that the handle slides together, then the hand guide snaps on and screws tight, followed by the string guard attachment. It's all easy to manage. RYOBI did add a clever feature for its edger/trimmer head. They added a foot push pedal release that allows the unit to flip sideways to do the edging part of the job. It works very well and simply turns back into a normal position when your edging is finished. Battery equipment has advanced so much in the last couple of years and it's great to see an established, trusted company like RYOBI offering a complete line of very helpful tools like this stringer/edger for the homeowner.
  • Recommended
No more extension cords or gas/oil mixture!
I have a variety of trimmers, but now have my new "go to" trimmer and edger! This is a nicely balanced design and comfortable without any type of shoulder strap. Included 4.0 Ah 18-Volt Battery and charger adds to my arsenal of power sources for my growing collection of Ryobi ONE+ tools. Assembly is pretty easy - 2 screws to attach the upper and lower portion of the handle; 3 screws to attach the grass "deflector"; and one wing-nut to tighten the "d-shape" handle. The auto-feed works well. I think it will go through a good amount of trimmer line, as it advances with each pull of the trigger vs. feeding when cord is used/needed. Product is typical Ryobi quality and I'm expecting this will get a regular workout throughout the growing season. Two "green" thumbs-up!
  • Recommended
1 found this review helpful
Gets the Job Done without Cords!
I ordered the ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger with 4.0 Ah Battery and Charger to replace an earlier version of the String Trimmer/Edger I’ve had for seven years. The reasons for replacement are: 1. The blade that cuts the string in the housing fell off somewhere in use and for two seasons I have been searching for a replacement online with no success. The problem is that when there is excess string it will have a tendency to get tangled between the drive rod and string housing causing sometime lengthy delays in un tangling it. The new model’s cutting blade seems identical to the one I lost. 2. The foot operated mechanism for switching from Trimmer to Edger finally quit working requiring the position of the string head be switched by hand The good news is that the old model is otherwise working great. The motor gets the job done as well today as on the first day I used it. I still have the original battery which is doing extra duty with the other Ryobi batteries in my shop. That is a testament to the quality I expect in my new one. The basic design hasn’t changed much which is mostly a good thing. The lack of any improvement in the string cassette is disappointing as installing new string is difficult and tedious. It would pay dividends to develop a sure-fire way to re-string the cassette early to avoid frustration while learning the way to do it while in the middle of a job. I will be checking the cutting blade regularly for tightness to prevent it from coming off and getting lost. The Plusses I appreciate most for the ONE + are 1. Long battery life with the included 4 Amp-hour battery. My old one came with a wimpy 1.3 AMPH battery. I soon invested in the larger battery. 2. Compatibility with my other Ryobi 18V batteries 3. Switchable modes with a foot pedal 4. The wheel to guide the edger for a professional looking precise edge 5. Decent power and torque for heavy grass and weeds 6. Auto feed feature; although this takes some getting used to because it feeds whenever you release the trigger and re-engage it feeds string. As a technique I keep the motor running until the pitch of the string spinning indicates it needs more length. This technique encourages a quicker job to save battery Overall, happy to have a fully functional Trimmer/Edger: Cuts Great, Decent Battery Life, Ergonometric for my build.
1 found this review helpful
This trimmer is powerful and quiet. It does a great job of cutting grass and weeds
The Ryobi trimmer was very easy to assemble. I kept the cutting width at the factory setting of 13 inches. You can rotate the cutting blade to cut the trimmer line at 11 inches if needed. The parts of this trimmer are of high-quality material and very well made. The trimmer has a solid feel to it after assembly. The trimmer has a rotating trimmer head that allows it to be used for edging your sidewalks and driveway. The grass deflector has an attached wheel that helps with the edging function. But there are two features missing from the trimmer when using it for edging: An Edge Guide and a depth setting which is found on most lawn edgers. The wheel helps you create a consistent edge but it takes practice. It is easy to hit the sidewalk or go away from the edge of the sidewalk just using the wheel and line of sight to control the cut grass edge. However, even without these two features, the twisting head and wheel on the grass deflector are an improvement over a standard trimmer turned sideways to edge a lawn. With the battery installed, the trimmer is well balanced and much lighter when compared to my gas trimmer. The variable speed trigger makes it easy to control the cutting speed. The trimmer can use two different diameters of line, (0.065 round or twisted and 0.080 twisted diameter lines). This trimmer uses a unique auto-feed trimmer head. The line will extend approximately 1/2 in. with each stop and start of the trigger. Repeat pressing the stop and start trigger until the line is long enough to reach the cut off blade. You may want to practice using this feature to eliminate wasting trimmer line. There is also the option of advancing the trimmer line manually. The instructions recommend buying pre-wrapped trimmer spools and replacing those when you exhaust the trimmer line. I think you should be able to re-wrap the line manually on an empty spool, but I don’t know that for certain. Ryobi included a 4.0 Ah battery with this trimmer which should give you plenty of trimming run-time. The charger and battery are part of the RYOBI ONE+ system. Buy this trimmer for the great job it does trimming grass and weeds and use the edging feature in a pinch. But, if you have a lot of edging to do, you will want to get a dedicated edger.
  • Recommended
Trimmer has auto Line extender!
My Review for RYOBI ONE+ 18V 13 in. Cordless Battery operated Line Trimmer works extremely well. It is easy to assemble and is well designed. It does have one design flaw that keeps me from rating it five stars and that's the fact that the Wheel on the weed whacker cannot be adjusted to raise and lower the cutting line a little bit. On the first three swipes of the Weed Whacker I broke the line off and had to hold the cutting head up away from the ground a little bit to avoid anymore breaks but after doing that it worked great and my pictures below show how well it cuts the edge of flower beds etc. The automatic line extender works really well on my first use and continued to works time went on, it's a really nice feature.
  • Recommended
Very well designed
We were in need of a trimmer and we wanted to go with a cordless one. This trimmer was very easy to put together. I was impressed with the heft of the trimmer. The battery is in the ideal area in my opinion. It handles well and I could have cut for a much longer time, but right now I don't have a lot of vegetation to deal with. Along with the battery, I liked the foot switch to change from trimmer to edger.
  • Recommended
Showing 1-10 of 119 reviews