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40V String Trimmer / Edger

Model: #RY40210A | Home Depot Sku #: 298815

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40V String Trimmer / Edger is rated 4.456140350877193 out of 5 by 57.
Rated 4 out of 5 by from Love no cord! Had this a year and love no cord wish the battery lasts a little long but most times I get 45-50 minutes out of it. Which completes my yard most days. The battery is hard for me to take out for some reason it seems to stick. My husband mows the yard and I use this for trimming and for me 60 years old it's much easier to haul this around instead of dragging out the electric cord and dragging that around moving it from one outlet to another. My husband is thinking about battery lawn mower now no gas.
Date published: 2016-04-28
Rated 5 out of 5 by from Great features and battery life !!! I bought this 40V STRING TRIMMER / EDGER MODEL: #RY40210A almost a year ago.I would like to say best investment I made last year.Terrific battery life !!! I have a acre and half of lawn edging with a lot of weeds and trimming. And with no problem I am able to finish the job with battery life still left.Great features very easy to use.My 40V STRING TRIMMER / EDGER MODEL MODEL: #RY40210A comes with 2 batteries and charger.No more screwing around with gas and oil mixes anymore !!! This trimmer/edger has the same or even more power than gas models.Don't hesitate !!! Buy this Trimmer you won't be sorry and you will have more time on your hands for things you like to do !!! instead of going to the gas station picking up gas and then to the hardware store for the right oil.Plus you will save money.
Date published: 2016-04-29
Rated 3 out of 5 by from Powerful and effective with a couple minor issues. I am a big RYOBI ONE+ fan and this was my first 40v purchase. I've had the 40v trimmer/edger for a little over a year. It gets the job done, plenty of power and battery life. I can do my yard twice between charges. The issues are: Weight it is a bit on the heavy side and I probably could have gotten away with a one+. Battery removal is a bit difficult. String advancement is not optimal. Definitely would not buy this type of trimmer again for this reason.
Date published: 2016-07-30
Rated 5 out of 5 by from Really versatile. I love it This thing edges and trims and easily converts between functions in 2 seconds with a toe tap. The line auto feed works well by inching out a little bit after releasing and re-pulling the trigger. Easy to rewind more line. Uses .080 line. Don"t use if you have a lot of heavy heavy edging. But if it smokes they will quickly replace it. Battery lasts 1 hour at low to medium speed....normal usage. Charges in 1 hour. I love mine.
Date published: 2016-04-28
Rated 4 out of 5 by from Good but not excellent trimmer I have had my trimmer since last fall. It has some excellent points and a couple that are a problem. The good points: battery is great. It is long lasting and makes the trimmer superior to a gas trimmer. Body of trimmer is rugged and well made. I also purchased the large blower without a battery. I can do all my trimming and blow everything off and still have power left in the battery. Bad points: trimmer line is too small in diameter and breaks very easy. A more robust line would save a lot of cuss words. Overall, the trimmer and the battery are quite heavy. If you have a large area to trim your arms will be tired before you get done. I have found that the longer you use the trimmer the better the line functions but it still breaks frequently. Other suggestion is that you buy a three pack of the line spools and refill the spools yourself. Otherwise, you will go broke buying spools. They are pricey.
Date published: 2016-04-28
Rated 4 out of 5 by from 40V trimmer/edger I like this trimmer a lot. It is a little on the heavy side and I have to keep switching arms to hold it with. My one dislike is how much the string breaks off. It lasts only a few minutes and then it breaks. I think it is due to the speed of rotation. They just came out with a new head that I purchased and that has helped some.
Date published: 2016-08-11
Rated 4 out of 5 by from Powerful tool. I have used this Trimmer/Edger several times. It is a powerful tool with plenty of battery life. My only problem is my age and health. I am 81 years old with arthritis in my hands and wrists. Plus, other health conditions limit my use of the tool because of its weight. Otherwise, I consider this tool an excellent choice.
Date published: 2016-04-29
Rated 3 out of 5 by from new motor on back order could be months to repair, It was two years old smoke started coming out of cutting head,was more than happy with it,but weeks or months unacceptable for repair,what do i do in the mean time for trimming,repair faciltly has no idea when warranty parts will come,has been 3 weeks already and may come from China
Date published: 2016-07-11
Rated 5 out of 5 by from Freedom to move about the yard!!! Bought this last year and it does everything I hoped it would. No gasoline to mess around with or cords that crimp my moving about to do things. Weed wacks and edges as needed. With this I can circuit the yard and do all my trimming needs. Reloading more line is a breeze.
Date published: 2016-04-18
Rated 5 out of 5 by from Light and easy to use, even for my wife. Have been using the unit for a few months now and can provide a better feedback. House is on standard 1/4 lot with front and back yard: Cons: -The kick-plate to switch from Trim to Edge stopped working properly after 3 months. It seems stuff keeps getting stuck in the mechanism and does not allow it to engage. Try my best to clean the unit after ease use but seem things still get in and intefere -Small battery (OP4015) depletes too fast to complete one task (either Trim or edge) -Getting the battery released can be a hassle at times. Have learned to push the battery from the bottom while engaging the release from the top. Pros: -Big battery (OP4026) lasts long enough to complete the front with Edge and trim -Light and easy to use -Edger works great like my older gas powered edger. -Wife can use it if she wants -Auto feed for reel is nice but can be annoying if you keep turning the unit on and off -Like the remaining battery power status LEDs. -Big battery (OP4026) lasts long enough to complete the front with Edge and trim
Date published: 2016-04-18
Rated 5 out of 5 by from Good battery life I purchased this last year. So Have used it a lot. Battery life is better than I anticipated. The only downside is that to advance the string you have to stop and start it, and it must stop spinning or it will not advance. I have now gotten used to that.
Date published: 2016-04-18
Rated 4 out of 5 by from No fuss, quiet and versatile able to edge/trim a 40 x 100 on one charge, the battery is durable as i leave it in the unheated garage all year and it works fine. Replacement spools are costly and the no bump feeder needs some attention now and then to work effectively.
Date published: 2016-04-18
Rated 4 out of 5 by from Great trimmer, bad battery Purchased last year. Love the trimmer. No gas, no oil, easy to use. Battery did not hold up over winter storage. Very weak trimmer when using the battery from last year. With a new battery the trimmer works beautifully, like last year.
Date published: 2016-04-30
Rated 4 out of 5 by from solid performer I bought this summer of 2015 works well and battery last for 40 minutes which is more than enough time for my yard Only negative is it burns thru the string pretty fast I went thru 3 spools for the year
Date published: 2016-04-28
Rated 4 out of 5 by from nice edger I brought this last year and so far I like the way it performs .I put a heavy duty string in and it works great. The battery has a gauge on it to tell you how much charge is left .A very good feature.
Date published: 2016-04-30
Rated 5 out of 5 by from Gas like power! Best string trimmer investment I've made yet. I've had several gas trimmers over the years and just got tired of mixing fuel and the smell from the exhaust. Decided to try cordless electric.
Date published: 2016-04-18
Rated 5 out of 5 by from Easy to use! I bought it last year and I love how easy it is to use. You just pop in the battery and go. It has an easy push pedal on it which changes it easily to do the edging. It has multiple uses!
Date published: 2016-04-28
Rated 5 out of 5 by from So llight and easy to use As good as my gas trimmer. Edges and trimes with ease. String never breaks off and so easy to replace a spool of edging string. I have an acre of property and the battery last
Date published: 2016-04-18
Rated 4 out of 5 by from Ryobi Trimmer I purchased 40 v trimmer last year, and I;am glad I did. It has been a trouble free. The only thing that I have had trouble with is the battery is some what hard to get out.
Date published: 2016-04-28
Rated 4 out of 5 by from 40v sring trimmer I have had this for almost 1 year. Works very well and has a perfect battery charge duration. One drawback is the price of replacement spools are almost twice other brands.
Date published: 2016-04-18
Rated 5 out of 5 by from Convenient & well balanced I use this trimmer regularly and has had zero hiccups. Powers through whatever I throw at it. I can not go back to a corded trimmer after using this battery operated one.
Date published: 2016-04-20
Rated 4 out of 5 by from Good edger/trimmer for small yards I have had my Ryobi 40V edger/trimmer for one year. It has done well, I have a small yard it takes care of it good. No problems with its operation and it is easy to use.
Date published: 2016-04-19
Rated 4 out of 5 by from good product Used it for a year now. Battery is still great.does a great job .a little awkward changing to over to edger. does as well or better than any gas one that I have owned
Date published: 2016-04-18
Rated 5 out of 5 by from great trimmer I do grounds keeping for a 48 unit condo building and this trimmer easily handles the job on a single charge and does an excellent job of edging as well
Date published: 2016-04-19
Rated 5 out of 5 by from 40V String Trimmer Works as Advertised Works well. Somewhat heavy due to the battery size, but it's well balanced and has an adjustable handle placement for balance. Reversible for edging.
Date published: 2016-04-18
Rated 5 out of 5 by from Great battery life Bought last year and used all last year, no problems at all. Only complaint is the string feed which works ok but is a little weird to get used to.
Date published: 2016-04-18
Rated 5 out of 5 by from Best trimmer I've used Well-balanced, lighter than I expected, plenty of power for thick weeds. With a second battery, it runs long enough to mow my entire frontage.
Date published: 2016-04-28
Rated 5 out of 5 by from Functions as advertised. Does everything I need it to do. Trimmed 6500 square feet of lawn and curbing and only used 1/4 of a full battery.
Date published: 2016-04-19
Rated 5 out of 5 by from 40 Volt string trimmer Loved my 40 volt string trimmer. Will buy another along with many other 40 volt tools. Really want to get a 40 volt mower as well.
Date published: 2016-04-21
Rated 5 out of 5 by from I'm Happy! I bought this last year and I am thrilled with how easy it works. The only thing is I wish I had a shoulder strap to use with it.
Date published: 2016-04-29
  • 2016-09-28T06:14CST
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The RYOBI 40V Cordless String Trimmer/Edger was designed for the perfect connection of power and convenience. Part of the 40V Li-ion family, this string trimmer works with nine other RYOBI 40V Cordless tools and runs longer than a gas string trimmer. Featuring a pivoting head, which rotates to a convenient walk-behind edger with a guide wheel for precise cuts, an adjustable 11-13 in. cutting path, and variable speed trigger for complete cutting control, you have exactly what you need to trim under decks & patios and along walkways and driveways. Backed by a RYOBI 3 year warranty, join the family of power and convenience with the RYOBI 40V String Trimmer/Edger. The entire RYOBI 40V family runs off of the same 40V lithium-ion battery platform. The RYOBI 40V String Trimmer / Edger is backed by a RYOBI 5 year warranty.


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List 7a55024d 4f1d 42bb be0b 51bdd1215a3d

More Run Time than a Gas Trimmer*

*Compared to RYOBI 2-Cycle Gas Trimmer

Foot Pedal Adjustment Converts Pivoting Head From Trimmer To Edger

Premium .080 in. Twisted Single Line

Auto Feed String Head For User Control

Variable Speed Trigger Allows More Powerful Cutting Or Longer Battery Life

11–13 in. Adjustable Cutting Width For Longer Run Time Or Wider Cutting Path

40V lithium-ion high capacity battery and 90 min. charger included

5 Year Limited Tool Warranty

3 Year Limited Battery Warranty

  • Power Source: 40V Lithium-ion
  • Trigger: Variable Speed Trigger
  • Shaft: Straight shaft with pivoting trimmer head for edging
  • Cutting Swath: Adjustable 11-13in. cutting path
  • Line: .080 twisted line or .065 line
  • Line-Advancement: Auto-Feed
  • Yard Size: Up to 1 Acre
  • Weight: 9 lbs
  • 40V Power Head
  • Ergonomic Front Handle
  • String Trimmer/Edger Attachment
  • Grass Deflector
  • 40V Li-ion battery
  • 40V charger
  • Operator’s Manual

How do I advance the line on my RYOBI Cordless String Trimmer?

NOTE: Your RYOBI Cordless String Trimmer is equipped with an auto-feed head. Bumping the head to try to advance the line will damage the trimmer and void the warranty.

  • With the trimmer running, release the switch trigger.
  • Wait two seconds, and press the switch trigger again.

NOTE: The line will extend approximately ¼ in. with each stop and start of the switch trigger until the line reaches the length of the cut-off blade.

  • Resume trimming.

How do I attach the grass deflector on my RYOBI Cordless String Trimmer?

  • Remove the battery.
  • Remove the plastic hardware bag from the grass deflector.
  • Fit the grass deflector over the string head.
  • Line up the screw holes in the grass deflector with the holes in the motor housing.
  • Install supplied screws and tighten by turning clockwise with a phillips screwdriver.

How do I manually advance the line on my RYOBI Cordless String Trimmer?

  • Remove the battery.
  • Push the black button located on the string head while pulling on the line to manually advance the line.

How do I replace the line on my RYOBI Cordless String Trimmer?

  • Remove the battery pack.
  • Remove the spool from the string head.
  • NOTE: Remove any old line remaining on the spool.
  • Cut a piece of line approximately 9 ft. long. Use only .065 in. round or .080 in. twisted monofilament line.
  • Insert the line into the anchor hole in the upper part of the spool. Wind the line around the supper part of the spool clockwise, as shown by the arrows on the spool. Place line in the slot on upper spool flange, leaving about 6 in. extended beyond the slot. Do not overfill. After winding the line, there should be at least ¼ in. between the wound line and the outside edge of the spool.
  • Replace the plastic retainer spool and the spool cap.

How do I replace the spool on my RYOBI Cordless String Trimmer?

NOTE: Use only .065 in. round or .080 in. twisted monofilament line.

  • Remove the battery pack.
  • Push in tabs on side of spool retainer.
  • Pull spool retainer up to remove.
  • Remove the old spool.
  • To install the new spool, make sure the line is captured in the slot on the new spool. Make sure the end of the line is extended approximately 5 in. beyond the slot.
  • Install the new spool so that the line and slot align with the eyelet in the string head. Thread the line into the eyelet.
  • Pull the line extending from the string head so the line releases from the slot in the spool. Reinstall the spool retainer by dressing tabs into slots and pushing down until spool retainer clicks into place.

How do I start and stop my RYOBI Cordless String Trimmer?

To Start:

  • Press and hold the lock-out button.
  • Depress the switch trigger

To Stop:

  • Release the switch trigger to stop the string trimmer.
  • Upon release of the switch trigger, the lock-out button will automatically reset to the locked position.

How do I store my RYOBI Cordless String Trimmer?

  • Remove the battery from the string trimmer before storing.
  • Clean all foreign material from the trimmer.
  • Store the unit in a place that is inaccessible to children and away from corrosive agents such as garden chemicals and de-icing salts.

What do I do if my RYOBI Cordless String Trimmer won’t start?

Possible Cause—Battery is not secure

  • To secure the battery pack, make sure the e battery pack is snapped into place.

Possible Cause—Battery is not charged:

  • Charge the battery pack according to the instructions included with your battery.

What is the best way to cut weeds and grass using my string trimmer?

  • Keep your string trimmer tilted toward the area being cut
  • Pass the unit from left to right (if using a curved shaft string trimmer) and from right to left (if using a straight shaft string trimmer). By following these directional cutting paths, you will avoid having debris and grass clippings from being directed back at yourself.
  • Use the top of the line to do the cutting. Do not force the string head into uncut grass; this could cause the trimmer to bog down.
  • Avoid trees, shrubs wire and picket fences.

How do I switch from trimming to edging on my RYOBI 24V or 40V String Trimmer?

  • Remove the battery pack.
  • Step down on the foot pedal.
  • Rotate the trimmer head counterclockwise placing the tool in the edger position.

Click the link below to access outdoor products replacement parts schematics and order parts online.

For those customers that prefer ordering by phone, simply contact the Ryobi master parts distributor at toll free 1-877-545-4110, and place your order over the phone.

Visit Ryobi Outdoor Parts Store
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