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Model #P2860

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ONE+ 18V Cordless Battery 4 Gal. Backpack Chemical Sprayer with 2.0 Ah Battery and Charger

$15900
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  • Sprays Up to 11 Tanks Per Charge
  • Backpack Design Allows You to Work Quickly and Comfortably
  • Over 225 ONE+ Tools – All Work With Any RYOBI ONE+ 18V Battery
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Product Overview

RYOBI Tools

RYOBI Tools

RYOBI gives you the ultimate in cordless versatility, selection, and innovation to get the job done. No matter your interests or skill level, RYOBI can power it

ONE+ System

ONE+ System

The RYOBI 18V ONE+ cordless platform provides over 175 innovative tools that are 100% compatible: any 18V ONE+ tool works with any 18V ONE+ battery

Over 175 ONE+ Tools

Over 175 ONE+ Tools

With over 175 tools in the 18V ONE+ system, RYOBI provides a cordless, innovative solution from DIY to the jobsite and everything in between

ONE+ Power Tools

ONE+ Power Tools

Whether it’s a weekend DIY project or a full remodeling job, RYOBI has the cordless tools to get the job done

ONE+ Lawn & Garden Equipment

ONE+ Lawn & Garden Equipment

From trimming and edging, to mowing and clearing, knock out yardwork with the cordless battery platform that does it all

ONE+ Hobby Tools

ONE+ Hobby Tools

From simple crafts to advanced maker projects, RYOBI’s ever expanding line of hobby tools are made to make

ONE+ Lifestyle Products

ONE+ Lifestyle Products

RYOBI has a comprehensive lineup of lifestyle tools including audio equipment, lights, fans, vacuums, scrubbers, and much more

100% Compatible

100% Compatible

The RYOBI 18V ONE+ cordless platform is 100% compatible: any 18V ONE+ tool works with any 18V ONE+ battery

Lightweight and Compact

Lightweight and Compact

The 18V ONE+ 1.5Ah and 2.0Ah Lithium-Ion batteries reduce user fatigue with their compact, lightweight design

Lithium+ HP Batteries

Lithium+ HP Batteries

Provide superior power, performance, and runtime

Advanced Technology

Advanced Technology

Lithium+ HP batteries increase tool performance when paired with a brushless tool

Increased Power

Increased Power

For exceptional performance to get the job done faster and more efficiently

Longer Runtime

Longer Runtime

Get up to 9x the runtime with RYOBI 18V Lithium+ HP batteries

The RYOBI 18V ONE+ 4 Gal. Backpack Chemical Sprayer combines the convenience of a cordless sprayer with a backpack design to allow you to work quickly and comfortably. This sprayer is powered by a RYOBI 18V ONE+ battery and sprays up to 11 tanks per charge - with no pumping required. It comes equipped with a variable dial to allow you to adjust to your desired pressure and an adjustable spray and flat fan nozzle for the versatility to spray for a variety of applications. The large, translucent 4 Gal. tank allows you to take on larger jobs and easily monitor your fluid levels while you work. The RYOBI 18V 4 Gal. Backpack Chemical Sprayer includes a RYOBI 18V 2.0 Ah battery and charger and is backed by a 3-year warranty.
  • Translucent 4 Gal. tank
  • Sprays 11 tanks per charge
  • No pumping required
  • Features a variable pressure dial
  • Includes adjustable nozzle and flat fan nozzle
  • Includes RYOBI 18V lithium 2.0 Ah battery and charger
  • Works with all RYOBI 18V ONE+ Lithium batteries
  • 3-year warranty






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

Info & Guides

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BrandRYOBIChapinRYOBIMilwaukee
NameONE+ 18V Cordless Battery 4 Gal. Backpack Chemical Sprayer with 2.0 Ah Battery and Charger4 Gal. Rechargeable 20-Volt Lithium-Ion Battery Powered Backpack SprayerONE+ 18V Cordless Battery 4 Gal. Backpack Chemical Sprayer (2-Tool) with (2) 2.0 Ah Batteries and (2) ChargersM18 18-Volt 4 Gal. Lithium-Ion Cordless Switch Tank Backpack Pesticide Sprayer (Tool-Only)
Price
$15900
$17999
$29800
$29900
Ratings
(395)
(82)
(343)
(479)
Capacity (gallons)4444
Compatible WithChemical,Fungicide,Grass Killer,Pesticide,Weed KillerFungicide,Grass Killer,Pesticide,Weed KillerChemical,Fungicide,Grass Killer,Pesticide,Weed KillerChemical,Grass Killer,Weed Killer
Sprayer FeaturesAdjustable Spray Tip,Backpack,Shoulder StrapAdjustable Spray Tip,Shoulder StrapAdjustable Spray Tip,Backpack,Shoulder StrapAdjustable Spray Tip,Backpack,Shoulder Strap
IncludesSprayer OnlySprayer OnlySprayer OnlySprayer Only
View ProductView ProductView ProductView Product

Specifications

Dimensions

Hose length (in.)
48
Product Depth (in.)
21 in
Product Height (in.)
15 in
Product Length (in.)
21 in
Product Width (in.)
13 in

Details

Adjustable spray tip
Yes
Applicator type
Sprayer/Mister
Battery Amp Hours
2 Ah
Battery/Charger
(1) 2 Ah Battery & Charger Included
Capacity (gallons)
4
Charger Included
Charger Included
Compatible With
Chemical,Fungicide,Grass Killer,Pesticide,Weed Killer
Includes
Sprayer Only
Number of Total Batteries Included
1
Returnable
90-Day
Shoulder strap
Yes
Sprayer Features
Adjustable Spray Tip,Backpack,Shoulder Strap
Sprayer/mister type
Backpack
Tank Material
HDPE (High Density Polyethylene)

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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Customer Reviews

  • 4.5
    out of 395 reviews
  • 79% recommend this product
Filter by:
Showing 1-30 of 395 reviews
Very Good Sprayer that gets the job Done
This updated Ryobi sprayer worked very well with one EXCEPTION. The control dial will vibrate to the OFF position when the control dial is set at a minimum spray setting. On my first use of the sprayer, I had to keep my hand on the dial to prevent the sprayer from shutting off when spraying weeds using a minimum setting. This is not a problem when the dial is set to medium or high. See my simple fix for this problem I listed below with pictures. Ryobi needs to FIX this problem which would make this an Excellent sprayer. I had no problem with leaks or any other problem. I found the fill marks on the tank to be close to the correct gallon marks when the top of the square mark is used as a reference. I used 2 tank full (8 gallons, which is not heavy once you get the sprayer strapped on) of liquid to spray a very large gravel driveway which took very little time compared to using a 2 gallon pump up sprayer and did not drain the included battery much as when I put the battery in the included charger, it fully recharged within 15 minutes. Note the drain hole is recessed and is on the opposite side from the hose. I had no problem using all the liquid as long as I kept the sprayer level or slightly leaning to the left. If you let the tank lean to the right which happens as you are spraying and pulling on the hose which offsets the tank, there will be several ounces of liquid left in the tank. The instructions said the sprayer came with replacement seals. There were no seals included in the box and I contacted Ryobi and they had a set of replacement seals mailed to me. Note the seals are for the wand and spray nozzles, the pump is not user serviceable. The fix I did to keep the control dial from moving was simple. I punched out a thin rubber gasket with an O.D. of 1.5 inches / I.D. of .5 inches and put over the control dial shaft so the gasket was between the control dial and the tank (see pictures of dial and gasket). This provides just enough friction to keep the dial from turning but the control dial was still very easy to turn and does not interfere with the operation of the sprayer. From looking at how the sprayer control and the switch that controls the pump speed is built, not sure of another easy way to fix that problem other than modifying the actual control switch. Regardless, Ryobi needs to FIX this problem to resolve the issue with the pump turning off.
by
    • Recommended
    3 people found this helpful
    One of the best chemical sprayer for homes
    I bought this chemical sprayer few months back for my front and backyard. I first thought the battery (2AH included) won't last long but I was wrong. It lasted over 30 gal before I had to recharge the battery. The plastic body was durable which I believe it will protect from at least 10 drops on a concrete floor. Their were few downsides (but not significant to change my mind).... 1. Not so easy sprayer cap on the top. 2. Flimsy plastic sprayer rod. - If ryobi switch the rod to stainless steel or some other durable material than cheap plastic it will be great. 3. Not so translucent Plastic Water tank. - make it more clear so the user don't have to tilt or shake the tank to know the amount of water remaining in the tank. If the water tank was also detachable (the wash it) it will be a huge plus too.
    by
      Inaccurate molded measurements
      The sprayer itself is great, especially for the price, but it could have been 5 stars across the board if someone had taken just a little more time in the design stage. The issue, and it could be a big one for anyone needing even remotely accurate measurements for water volume who hasnt checked, is that none of the markings on the sides of the tank are correct except a couple. The only one on mine that is accurate is the 3 gallon mark (and likely a similar Liter marking on the opposite side, though I didnt check those because I dont measure in Liters). Fill right to the top of the molded rectangular section around the 3, and thats 3 gallons on the dot. To get one gallon, its between the top of the 1 gallon mark and the next hash. The two gallon level is slightly above the 2 gallon molding (about 1/3 of the way between the molding and the hash), and the 4 gallon hits right at the top of the molded 4, below the molded rectangular section. Other than that, its great. Id think that a company putting out a sprayer would have at least checked this out before sending a product to production, but apparently not, because both of my sprayers are exactly the same. For the cost savings over the other sprayers, I guess its worth it to have to measure it all out and mark it correctly once, vs paying considerably more for a correctly marked sprayer.
      by
        • Recommended
        10 people found this helpful
        poor customer service
        I purchased my P2806 sprayer in store got it home and started to put it together and found the wand was missing the locknut that holds the wand to trigger assembly , I called their customer support and had agreed instead of returning whole unit back to the store RYOBI would just send me the part that was missing , No big deal I had time before I really needed to use the sprayer well nearly a month latter I received no part called RYOBI again and they said the part wasn't available and if they ordered it from china it could take 6 months . I was trying to be practical and avoid returning the whole unit I explained the wand parts on the sprayer are pretty generic and i could get them online for cheap and could get a RYOBI genuine wand for a P2804 Sprayer for $11 which is the same they didn't care . In short I purchased a replacement part and love the sprayer it is great for residential use pressure and battery life are great ,but hate the impracticalness of the customer support sometimes you need to think outside the box of the trouble tree steps of answering the phone to make a customer happy.
        by
        Response from RYOBIOutdoorsApr 29, 2021
        Hello, Dale - We are very disappointed you had such a poor experience with our customer service! We're glad to hear your sprayer is performing as expected, but we would love to connect with you to continue this conversation! If you would, will you please be looking for an email from us at reviews@ryobitools.com? We want to see if there's anything we can do to turn your RYOBI experience around.
        RYOBIOutdoorTools
          9 people found this helpful
          First of all let me say you will likely not find a better powered sprayer.... but...there are iss...
          First of all let me say you will likely not find a better powered sprayer.... but...there are issues. The thing is built like a truck, robust, and it does its primary mission well... spraying. The variable speed adjuster is just genius. The fact that you can add this tool to your other +1 18volt Ryobi tools without paying for another charger and battery is very nice... there are like a hundred other Ryobi +1 tools to choose from. Now the not so nice: 1. the screw on lid is all but impossible to remove or put back on... I finally gave up and put Vaseline on the threads to reduce the friction. 2. The much touted free spare seals are NOT included.... instead there is a flyer that states "free seals for life" for registering the tool.... that's nice except when you go to the site to register, the sprayer I have is not listed... in fact if you try to look up the sprayer by the supposed model number, it comes up with a weed whacker.... so, no register, or free seals. 3. While there I followed the other side of the flyer to do a review and possibly win a Home Depot gift card... no place to review, the help line was closed. 4. The model number, by the way, is not listed anywhere on the sprayer or the packaging... only on the packaged manual. 5. The shoulder straps are heavy duty and well padded, except you have to run the adjustment as far as possible to get the padding over your shoulders where it is really needed... this thing is heavy. 6. On the bottom of the shipping carton where the technical data is displayed, it clearly states that the Ryobi 18 V One + is the intended battery for this sprayer... a side note below the bubble states that "for best performance use with a Ryobi 40V 4 Ah battery"... this sounds downright dangerous to me.
          by
          • DIY
          • Recommended
          24 people found this helpful
          If you want to take care of your lawn and need to apply chemicals to a large area, this is the ri...
          If you want to take care of your lawn and need to apply chemicals to a large area, this is the right tool for that job. My front yard was infected by nutsedge and it looks like they are really hard to get rid of. I have used nutsedge killer spray bottle to spot treat them, but they will just come back next year. I think it was because the treatment was not even. When the next summer comes, I’d like to add SedgeHammer, mixed with water, and used this backpack sprayer to kill nutsedge more evenly. The backpack is a little bit heavy, but the belt looks very comfy to put on (it has a think padding). I like the overall design. BTW, you get a charger and a 2A battery which is nice.
          by
          • Recommended
          4 people found this helpful
          In the past, I used the one or two gallon sprayers that you commonly find in box stores. Hauling ...
          In the past, I used the one or two gallon sprayers that you commonly find in box stores. Hauling them around in both my front and back yards- even with straps - got to be a little too heavy for me now that I am getting up there in years. This backpack works well for me because I can strap it on and the weight is shifted to my back instead of my arms. Even though I will probably never carry more than one gallon of liquid, it is so much easier and comfortable. Spraying both my front and back yards is now easier and faster without the weight hindrance. Other things to like about it are (1) the padded straps, which don't cut into my shoulders, (2) the handy clips to store the spray wand, (3) the included battery and charger that can be used with other Ryobi products, (4) the strainer on the top to keep out stray objects, and (5) the different nozzles that can be used for different spray patterns. This sprayer should last for a long time. It is durable and well-built. Best of all, the sprayer can be easily cleaned to eliminate any clogs. Definitely would recommend.
          by
          • Recommended
          3 people found this helpful
          Full disclosure: I have been provided with a free Ryobi One + Cordless 4 gallon backpack chemical sprayer for review purposes. I don’t know anyone who works for the manufacturer and have no affiliation with Ryobi. The following review is my honest opinion and has not been influenced by the free product. I want to say right up front that this battery powered chemical sprayer is awesome. Over the many years of owning a home I have purchased every type of chemical sprayer that has been available over the past 50 years beginning with a galvanized steel canister sprayer. It was fairly heavy and cumbersome to haul around. I would be lucky to get 2 minutes of spray time between pump ups. Next I purchased a plastic canister type sprayer to replace my rusted out steel one. It was a slight improvement over its predecessor because of its reduced weight and improved hand operated pump. That sprayer still only provided about 2 minutes of spray time. Over the 2 minutes the spray pattern diminished resulting in uneven chemical distribution. When I got my first backpack sprayer I thought that no further improvements could be made and I was oh so happy. It operated on an internal piston pumping mechanism operated by a long lever that stuck out of the side. I could just walk around pumping and spraying and life was good until the pumping mechanism malfunctioned and I could not find a rebuild kit for it. The next sprayer that I purchased was similar in style but operated on a diaphragm type of pump which was supposed to be some type of improvement. I did not notice any difference when using it. The biggest issue I had with the backpack chemical sprayers was that I had to pump the lever handle almost continuously. By the time I finished applying 20 gallons of chemical (usually weed killer) my arm was beginning to get sore. Usually I apply between 30 and 40 gallons of solution several times a year. Now that I’m closing in on 70 years old I get pretty tired by the time I’m finished. This new Ryobi battery powered sprayer almost makes it fun to do my weed killing. I just pop in the battery and go to town spraying. The pressure is excellent and the spray pattern is very consistent. So far I’ve only used the cone pattern spray head. I’m looking forward to trying the fan pattern the next time I spray. I think that with the excellent pressure provided by the electric pump I will find it easier to cover large areas. The features that I really like about this Ryobi sprayer include: Battery power that lasts up to 45 gallons, the really nice carry handle on top of the filler cap, the nice backpack straps with a chest strap that keeps it secure on my back, the spray wand holder molded into the sprayer itself, and the supplied quality spray wand with 2 different spray patterns. The features that could possibly be improved upon include: Battery is supposed to be stored at 35-50% charge, but there is no way to measure the charge left over. The battery must be removed when filling the unit and the battery compartment is not water-proof. I removed one star from my rating because few products are “perfect”, but this chemical sprayer is really super nice. I recommend this sprayer to anyone who has a large area requiring spraying or really wants the improved spraying characteristics this unit has.
          by
          • Recommended
          9 people found this helpful
          No pumping! I am so looking forward to using this Ryobi backpack sprayer primarily due to the fa...
          No pumping! I am so looking forward to using this Ryobi backpack sprayer primarily due to the fact that it is battery operated which means no more pumping. The battery and charger is included in the package. It holds up to 4 gallons and has easy to read measurement designations on the sides, one side shows gallons, the other liters. Looking forward to not having to stop and refill so often. The backpack straps are adjustable 4 ways. It took me awhile to figure out how to best adjust the straps for my comfort. I wasn't sure where the latching cross strap should sit against my chest. The instructions don't include a diagram on how or where the backpack should be best adjusted to your back which I feel would have been helpful. The hose and nozzle seem to work fine, similar to other type of sprayers. I did have trouble getting the lid to seat properly and it also was difficult to turn. I tried a couple of times and had the same problem each time. I'm hoping it will become easier and will turn more smoothly with more use. Overall I am pleased with this product and look forward to using it more over the next few months.
          by
          • Recommended
          1 person found this helpful
          The Ryobi 18V Cordless 4 GAL Backpack Chemical Sprayer with 2 Ah Battery and Charger is my second...
          The Ryobi 18V Cordless 4 GAL Backpack Chemical Sprayer with 2 Ah Battery and Charger is my second Ryobi sprayer, My first was a 1 gallon model that I have used and still works well but I would have to always refill it to finish my spraying. This 4 GAL model is a new version of the older 4 GAL one sold previously. I decided on another Ryobi to be able to use the interchangable batteries. The backpack sprayer works well and is easy to maintain. The hose and wand are better quality than the 1 GAL model but the hose is also very stiff and not easily handled. Maybe over time it will become more flexible. It also has a power dial on the tank to adjust the power of the sprayer, not only at the nozzle.The straps for the backpack are easy to use but I wish there was a waist strap too (only a chest strap) as the unit slides down on my back when moving.
          by
          • Recommended
          2 people found this helpful
          So, I have a newer (got a respected competitor’s last year) pump sprayer but it’s not the best it...
          So, I have a newer (got a respected competitor’s last year) pump sprayer but it’s not the best it’s has some flaws, I wanted a better one. RYOBI pulled through once again. To be completely honest, I am a RYOBI fan. I have numerous tools from them but there’s a reason for that; they build equipment that fits my needs and quality products. Now back to this battery-operated sprayer and I’ll add how it compares to my previous one. There’s very little prep work, attach the nozzle and snap in the battery (included plus the charger). My previous one took an hour or so to assemble mainly because the directions were not well thought out. This comes with a 2Ah battery which has a smaller profile than the 4.0Ah. Since I have plenty of the 4.0 ones, I put that in this as well which also fits in the compartment with plenty of room to spare. My previous sprayer was a hand pump and you were pretty much pumping continuously. That one also had an agitator that never stayed in place, it is useless. I adjusted the nozzle to a stream and it sprayed approx. 27 ft (pic doesn’t do it justice). The gallon/metric measurements are EASY to read (last one wasn’t). Two items that I found to be not to my liking but did not take away from my assessment; (1) when I release the trigger the pump still runs and thus you still have a continuous trickle of fluid come out, you need to reach the dial (well positioned) to turn off the unit if you are not going to spray immediately (2) the belt on the shoulder straps comes across the chest I’d prefer it to be lower, as a backpacker my whole life I’m accustomed to the belt being around the waist (I took the belt from an old backpack and substituted it here). Overall, I am very happy with this 4-gallon battery powered backpacker sprayer. If you are reading this review and you are shopping for a good quality, well built, sturdy and easy to use backpacker sprayer that requires much less work this one is my suggestion. Without hesitation I say it fits all my needs and expectations. I would not hesitate recommending this to family and friends. WELL done RYOBI!!!!
          by
          • Recommended
          6 people found this helpful
          This ryobi one+ 18 volt lithium ion cordless 4 gallon backpack chemical sprayer with battery and ...
          This ryobi one+ 18 volt lithium ion cordless 4 gallon backpack chemical sprayer with battery and charger is a great tool to have. Material feels and looks high quality.The one+ battery and charging system is proven. Pack is pretty heavy when filled with fluid but the backpack straps are comfortable. Pump sprays a steady stream with good pressure. Time will tell how long the pump and internals will last but I would recommend this product.
          by
          • Recommended
          I have a gravel driveway and stone walkways that require grass and weed killer applied to them a ...
          I have a gravel driveway and stone walkways that require grass and weed killer applied to them a couple times a year to keep them clear of growth. Normally, this require constant pumping of your typical sprayer, hunched over to get to the ground. I ordered this late in our season to prepare for next year. I cannot wait to be able to use it . I tested it with just water,we are in our cold season here. Boy, does this unit work well. Once the battery is charged, there is an access door on the tank where you plug in the battery and on the side of the unit there is a knob to turn it on and adjust the pump speed. The backpack straps are comfortable and there is a front buckle to hold the unit snug against you. The nozzle is adjustable from cone spray to stream and the reach with the pump on high is impressive. The hose and trigger appear rugged. They also include back up seals for a variety of points on the system.
          by
          • Recommended
          This Ryobi cordless backpack sprayer works better than I expected. It is large and pretty heavy ...
          This Ryobi cordless backpack sprayer works better than I expected. It is large and pretty heavy for an average woman when it is empty, so if you are a woman, be ready for that. I could not fill it all the way and lift it at all and getting in to the straps by myself was a little tricky. I ended up just carrying it along by the top handle. But I really appreciate the ease of use. I like variable rate of spray and the adjustable nozzle. The long handle was good to use with cleaning the deck railing above my head. Of course, it is not a power sprayer and I didn’t want one for this task. I was able to do a fair job of removing the dirt and green growth on the railing without hassling to get a ladder behind my little trees. I think my husband will appreciate the sprayer when he deploys the deer repellent or the ant treatment around our property.
          by
          • Recommended
          This sprayer is simple to assemble, but the instructions mention an extra set of seals. I did not receive any extra seals, and it doesn’t look like Home Depot carries them. Also, screwing on the lid feels a little awkward: turn half a rotation easily, then half a rotation with effort, half a rotation easily, half a rotation with effort, repeat … However, it does feel like it is getting a good seal. I like the way they have incorporated a coarse, removable filter in the lid to keep debris out of the tank. The motor is heavier than I expected: 10½ pounds for the sprayer plus 15 ounces for the battery and 7½ pounds per gallon of water/fluid. That is over 40 pounds if you fill it to the top, but I usually only mix 2 gallons. I don’t have very much area that needs spraying. The backpack is actually quite comfortable once you get it strapped onto your back. My garbage can is the perfect height. I set it on top of our garbage can and then filled it up. This made it easy to slip my arms into the straps. The straps adjust in 3 places for each arm plus 2 places for the chest strap so you can adjust it to exactly match your size and shape. I had no problem bending down to pick up a rock off the ground even with the backpack half full. I have only used the cone sprayer so far. It is a comfortable length. I found it simple to adjust the spray by turning the nozzle a few degrees, and locking or unlocking the spray handle is easy and effective. It is definitely set up for a right-handed person, but it does not require a lot of dexterity so I am sure lefties will have no problem. The power control is on the left hip (easily accessible using your left hand), and the wand is on the right. The motor kind of whistles to let you know that it is on, and the pump makes a kind of soft grumbling noise when you squeeze the trigger. There is usually still about one cup of liquid in the sprayer even after it stops spraying. If I am just using clean water to blast aphids off my shrubs, then I don’t need to clean the sprayer; I just dump out the last cup of water, leave the sprayer open for a few minutes in the sun to dry, and then put it away. However, if I spray my favorite neem oil mixture, I will rinse the backpack and then add at least a quart of clean water to run through the sprayer to make sure it is clean. Unfortunately, I have not found an efficient way to store this sprayer. The wand snaps onto the right side of the sprayer or onto the top of the lid. Either way, the hose and spraying tube make this sprayer take up a lot of space.
          by
          • Recommended
          1 person found this helpful
          I have several pump sprayers, many of which have broken pumps or need new rubber bits and gaskets...
          I have several pump sprayers, many of which have broken pumps or need new rubber bits and gaskets in order to build up pressure. Then when you spray for a bit you have to stop and repump and repeat over and over. And they all have short hoses so you can't leave the pump full of liquid on the ground and reach overhead with the want to get into a fruit tree or spray cleaner at the second story of a building. This Ryobi backpack sprayer puts the pump where you can easily reach high or low and apply your chemicals. First thing I noticed when I took the unit out of the box is 'wow - this thing is heavy.' The thickness of the plastic tank and cap is what makes this sprayer so heavy. It weighs 11.5 pounds without the included 2 amp hour battery included, but it is a fluid vessel and has to maintain shape so the thickness is to be expected. The mouth of the tank is big, and no funnel is needed to fill it and spilling is minimal. The threads of the cap and tank are a bit fussy though - I found myself constantly backing the cap off because I felt like I was cross threading it. Maybe with repeated usage the threads will break in and mate better. The wand is longer than most hand sprayers which is nice because you can stand off from whatever you are spraying a bit more - I was using a wood brightening solution on a fence and the bleachy nature of it means you DON'T want to be right in the overspray. The on/off control lets you adjust spray pressure and you can adjust the tip of the wand to make a fan or a stream (it also comes with a dedicated fan tip and o-ring). It took me a bit of hunting with my hand to find the control when I had the sprayer on, but you can turn it on before you put the unit on your back if you wish. On high with the tip adjusted to the stream I was able to shoot liquid about 12-15 feet up in the air making this suitable for low pressure application of a house wash. I wanted to see how long it took to spray so after I cleaned my fences I put two gallons of clean water in to rinse out the unit, set the pump speed to high, opened the tip to a stream and it ran for almost 7 minutes strait (using the trigger lock feature!), so run time should be no issue. After running 4 gallons through I put the battery back in it's charger and it only took about 5 minutes to show a full charge so this pump has a low draw motor - the 2 amp hour battery should be all any one needs unless they are using this in a landscaping situation. I DO like this sprayer. It will allow me to take care of house washing and weed control quickly. What I never thought about is the weight. At about 12 pounds with the battery and 4 gallons of water at over 33 pounds you have 45 pounds of weight on your shoulders. I only had two gallons of solution in the sprayer and I needed assistance to get it on. The shoulder straps are wide and easily adjustable, and the center strap ties them together so they can't slide back but this is still no lightweight. I may strap this to a hand truck if I plan on using the full 4 gallons capacity. That's really my only complaint about the unit - If they could shed some weight that would be great.
          by
          • Recommended
          1 person found this helpful
          I have been looking for a battery powered sprayer for a while now. I don't have any other Ryobi t...
          I have been looking for a battery powered sprayer for a while now. I don't have any other Ryobi tools so was holding off getting one, but other brands of tools I have don't seem to have them, so this is my first real Ryobi experience. The thing is all plastic, wand included, but the wand is somewhat flexible so it should be fine. I used it today for the first time and it worked great. I could spray the top of the trees without using a ladder and the trees are close to 20' feet high. I have been using a hand pump one and I would have to use a ladder to get the job done. I'm used to using a backpack frame setup in the woods, but the strap setup on this is a little different without a waist strap, maybe why it felt odd to me. It worked, but not sure I would be happy carrying it around all day. But if you're spraying it wouldn't be full all the time anyway. I didn't use it long enough to know how long the battery would go, but it didn't have a problem with a full tank of spray. I won't be using it for a long stretch until spring. Speaking of battery, it's tucked into a nice compartment with a cover. Only problem is, you have to squeeze the tabs to get the battery out and it's to tight to do it with one hand. I had use one finger on each had to do it. There is a pressure control knob that is on the bottom where you can reach it even when it's on your back, it is also the on/off switch. Overall, I would recommend this sprayer. I would have given it 5 stars, but not sure how durable it's going to be with the plastic valves and related components. It's a good setup, just not sure I could say it deserves 5 stars until I get more use out of it to see if it lasts.
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          • Recommended
          I’ve had a little $25 2 gallon pump sprayer for many years and it finally gave up the ghost so wh...
          I’ve had a little $25 2 gallon pump sprayer for many years and it finally gave up the ghost so when I saw this sprayer I thought I’d give it a try. We have several Ryobi tools and have extra batteries so this seemed like a good fit. It works well and I’m sure will last many years with proper care because it’s very sturdy and well made. The only draw back for me is it’s so heavy. Even without any liquid in it, my husband has to help me get it onto my back. I could never use it with a full load of four gallons of spray in it. While not a criticism, it may be a limiting factor for a small woman or for older folks. This item caned very well packaged and even though it had been savaged by the delivery guy, it was fine.
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          • Recommended
          This product DOES include the battery and charger. It is a four gallon sprayer, which is one gal...
          This product DOES include the battery and charger. It is a four gallon sprayer, which is one gallon less than my old sprayer, but I love it because I don't have to hand pump it to maintain pressure. 4 gallons is plenty heavy when you are carrying it around on your back, anyway. This comes with all of the parts, and if you register it with Ryobi, they say they will provide "lifetime" seal rings.
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          • Recommended
          This Ryobi One 18 Volt cordless 4 gallon sprayer is jut a pleasure to own and use as there is no ...
          This Ryobi One 18 Volt cordless 4 gallon sprayer is jut a pleasure to own and use as there is no more pumping the air lever to be able to use the sprayer. First off it is battery operated and the battery as well as charger comes with the unit, next it is a 4 gallon tank which should be all you need to take care of any need such as spot weeding your lawn, taking care of weeds in your flower beds and killing weeds and grass that come up in drive way as well as side walks. Do yourself a favor and pick one up now you will be glad that you did.
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          This appears to be a very heavy duty sprayer. I only had a small amount of solution left so I di...
          This appears to be a very heavy duty sprayer. I only had a small amount of solution left so I did not see how long it would last for spraying the fence line and around the house. I love the no pumping feature, whereas it is battery powered. I do believe this will work perfectly for next year when the weeds and grass are growing around the house, and I think it will hold enough solution to complete the entire yard with one fill up. Great tool for spraying weed killer around the fence and house.
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          • Recommended
          Gone are the days of hauling around a heavy bottle in one hand and a sprayer in the other, this b...
          Gone are the days of hauling around a heavy bottle in one hand and a sprayer in the other, this backpack sprayer is very easy to carry on your back and unless you fill all 4 gallons at once I would say its fairly light weight. The spray set to max reaches about 3 to 4 feet, which honestly is probably plenty for most situations. The battery compartment is fairly large so I think you could fit just about any Ryobi 18V battery they make, if not honestly the 2AH lasted my entire spraying session so even a 4AH which I have and tested would probably be more than sufficient for a home owner. Would I recommend this for a pro?, obviously not as the tank is integrated you would have to have a whole backpack per spray type, where as the Milwaukee you can buy individual tanks with their own hoses/wands. Comparing it to the Milwaukee which his twice its price without including a battery/charger you get essentially the same functionality except of course the tank swapping, however the Milwaukee's spray gun and hose are of a higher quality. Overall I am very happy with this sprayer and would highly recommend for any home owner who sprays their own weed killer or bug spray.
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          • Recommended
          I have always been a fan of Ryobi, I have my arsenals of tools and they are all Ryobi, This che...
          I have always been a fan of Ryobi, I have my arsenals of tools and they are all Ryobi, This chemical sprayer caught my attention as I own the old version or there other iteration of this unit. The unit I own for about two years now (and is still running strong) had a few things that troubled me. One the intake in the tank to the pump was a rubber hose and the rubber hose would move, not getting all of the chemicals in the tank, well they fixed it on this new model and I love it, no more rubber hose, the second one was the battery on the old unit would stick out the back and I would constantly hit it and the battery would fall out, They fixed that problem as well as now everything is flush in the back of the tank, some nice added features is the pressure dial where you can control the pump pressure on the sprayer, love that. Very nice Sprayer, I loved my old one and I think I am falling in love with this one as well. Good job Ryobi ,Nice product.
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          2 people found this helpful
          For years when it came to weed control, I carried around a small canister hand pump sprayer. Then...
          For years when it came to weed control, I carried around a small canister hand pump sprayer. Then I learned of and purchased a 4 gallon backpack sprayer where I could pump up the pressure with a wand and spraying with my other hand. I thought I had arrived where I could spray the weeds or apply insecticide on my 3 1/2 acres without several refilis. I feel like I graduated when I acquired this Ryobi cordless 18 volt sprayer. A battery fits into the back of the sprayer and the power is controlled by a knob on the side. Once pressurized, depressing the spray button activates the pump. Releasing it, and the pump stops. The activation button can be locked "on" to give your thumb a rest. No more pumping and dealing with various amounts of pressure. Inside the fill lid is a plastic "filter" and the only thing I had to pay attention to was getting the lid seated properly. Don't want to cross-thread it as both parts are plastic. (Compared to the convenience of this well-designed sprayer, this was pretty much inconsequential.) The sprayer comes with two tips; one that has a cone pattern and the other with a fan pattern. The latter, when the power was on full, spayed an area 10 feet away. A charger and lithium-ion battery comes with the sprayer. Petroleum products should not be used with this sprayer.
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          • Recommended
          This backpack sprayer from Ryobi powered by the OnePlus 18 volt battery looks to be a game change...
          This backpack sprayer from Ryobi powered by the OnePlus 18 volt battery looks to be a game changer. It is very easy to assemble. In fact there is minimal assembly required. It's surprisingly light for a unit that holds 4 gallons of liquid. A couple of nice features are the filter basket where you pour in your liquid to prevent any big debris from getting in the tank, the on-off controls are easily accessible when you're wearing the backpack, and there is a distinct click to turn it on and off. The tank itself features marks in both gallons and liters. I recommend this product.
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          • Recommended
          Rating provided by a verified purchaser...
          Rating provided by a verified purchaser
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              Priming problem
              Unfortunately this was my worst purchase of any ryobi product.
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              Response from RYOBIOutdoorsOct 25, 2021
              Hello, Bill - We're so sorry that your backpack blower isn't priming correctly! And we're very interested in speaking with you, so we can work to resolve this issue! Would you please be looking for an email from us at reviews@ryobitools.com? RYOBIOutdoorTools
              • Verified Purchase
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                I had a problem with the wand leaking. I...
                I had a problem with the wand leaking. I tried tightening it but the leak would still happen.
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                Response from RYOBIOutdoorsOct 25, 2021
                Hello, Homedepotcustomer - We're very sorry to read about the wand leak! Let's talk about this further, so we can work on getting this taken care of! If you would, please be looking for an email from us at reviews@ryobitools.com. RYOBIOutdoorTools
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