JESIMAIK Backpack Sprayer with Agitator, 120 PSI Handle-Mounted Pressure Control, 4.8 Gallon, 4.0Ah Battery Powered Weed Sprayer with Telescopic Wand & 5 Nozzles for Lawn & Garden
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Availability:
Only 3 left in stock, order soon!
Arrives
Monday, Aug 17
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Color: whitish
Features
- Pressure Control at Your Fingertips Unlike other sprayers that put the pressure dial on the machine behind your back forcing you to reach backward and adjust by feel. This electric backpack sprayer features a handle-mounted rotary dial that puts control right in front of you. Adjust from 0 to 120 PSI naturally with your thumb no awkward reaching, no guessing. Switch from gentle misting to high-pressure weeding instantly
- Built-in Agitation System Herbicides and fertilizers naturally separate over time, leading to inconsistent spray strength and wasted product. Our active mixing system keeps your solution uniformly blended throughout operation, ensuring consistent concentration from the first gallon to the last. For a battery powered backpack sprayer with a large 4.8 gallon tank, this feature is essential for professional results
- 120 PSI Max Pressure & 0.8 GPM Flow The powerful diaphragm pump delivers up to 120 PSI enough for stubborn weeds, fence lines, and driveway cleaning. Stepless pressure adjustment lets you fine-tune from 0 to 120 PSI. With a flow rate of 0.8 gallons per minute, this battery powered sprayer covers large lawns, orchards, gardens and landscaping areas faster
- Ergonomic Harness System for Extended Spraying Comfort This garden sprayer features padded shoulder straps and waist support that distribute weight evenly, reducing fatigue during extended spraying, especially when handling a full 4.8 gallon tank for lawn and garden applications
- Complete Accessory Set The 33-inch telescopic stainless steel wand resists chemicals and reaches tall plants or under dense foliage. Includes 5 interchangeable nozzles (fan, cone, stream, dual, windproof) for everything from wide-area coverage to spot treatment. Wide-mouth fill opening with gallon markings, built-in anti-clog filter, and a 1-year warranty for peace of mind
- WARM TIPS: To ensure quality, every sprayer is leak-tested at the factory. You may notice a little water left near the bottom, nozzle or hose thats not a used unit, thats our test in action. If anything doesn't feel right, just feel free to contact us. Well make it right.
Description
Why does the tank bottom or hose nozzle look like it has water stains or signs of use? To ensure quality, every sprayer is leak-tested at the factory. You might notice a little water left near the bottom, hose or nozzle – that’s our test in action. If anything doesn't feel right, feel free to tell us. We’ll make it right. What makes this sprayer different from others? 1.The control dial on the handle adjust pressure adjustment intuitive. 2.A wand clip on the shoulder strap holds the wand when not in use. 3.Compatible with Makita batteries. 4.Every unit leak-tested before shipping. Will the hose or wand leak? The seals at the hose connections may degrade from chemicals. Here's how to prevent leaks: 1.Rinse the whole system thoroughly with clean water after each use 2.Check the seals regularly. We include 5 extras – replace when worn Why does the spray lance drip after switching off? Residual pressure after shutoff may drip. To prevent, point lance up 2–3s to let liquid flow back. After work, store with nozzle up on holder to prevent drips. Is it heavy when full? 1.Thick padded shoulder straps + a breathable back panel help distribute weight and reduce sweating. For easier lifting, place the sprayer on a waist-high table before putting it on. 2.Quick-release buckles for emergency – one pull frees you.
Brand: JESIMAIK
Tank Volume: 4.8 gallons
Color: whitish
Recommended Uses For Product: Garden Irrigation, Lawn Treatment, Orchard Spraying, Pest Control, Sanitizing, Tree Spraying, Vehicle Washing, Watering, Weed Control, feed lawn fertilizer, pet bathing See more
Material: Plastic
Brand Name: JESIMAIK
Recommended Uses For Product: Garden Irrigation, Lawn Treatment, Orchard Spraying, Pest Control, Sanitizing, Tree Spraying, Vehicle Washing, Watering, Weed Control, feed lawn fertilizer, pet bathing
Included Components: 4.0Ah Batterry, 5 Nozzles, Battery Charger, Shoulder Strap, electric sprayers with agitator
Model Name: 3WBD-18
Model Number: 3WBD-4.8Gallon
Number of Items: 1
Number of Packs: 1
Unit Count: 1 Count
Manufacturer: JESIMAIK
Manufacturer Part Number: 3WBD-4.8Gallon
Tank Volume: 4.8 gallons
Item Weight: 7 pounds
Item Dimensions W x H: 8.3"W x 18"H
Hose Length: 38.5 inches
Color: whitish
Style Name: Backpack
Material Type: Plastic
EU Spare Part Availability Duration: 2 years
Power Source: Battery Powered
Maximum Pressure: 120 psi
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Aug 17
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: White
This sprayer works really well, but I need to start with the most important observation: when my husband straps this thing on his back, he looks like a handsome little lawn-care turtle. I cannot unsee it. The 4.8-gallon capacity is fantastic when you have a decent-sized area to spray because you aren’t constantly stopping to refill it. The battery-powered pump is also a HUGE improvement over manually pumping a traditional sprayer. You basically fill it, strap on your new turtle shell, grab the wand, and get to work. I really like having the pressure adjustment right on the handle. Being able to change the spray without reaching behind your back is much more convenient, and the different included nozzles give you several spray patterns depending on whether you need wider coverage or something more targeted. The telescoping wand is another nice feature for reaching farther without having to get directly on top of whatever you’re spraying. Now for something I think is important to know: a full tank is HEAVY. The sprayer itself is only around 5.5 pounds, but 4.8 gallons of water alone weighs roughly 40 pounds. Add the sprayer and you’re carrying somewhere around 45 pounds when it’s full. That is absolutely too heavy for me to comfortably pick up and put on my back. My husband can handle it, but I would need to fill it considerably less if I wanted to use it myself. The padded backpack straps definitely help distribute the weight once it’s on, but they cannot repeal the laws of physics. Almost five gallons of liquid is still almost five gallons of liquid. Overall, though, this is a really convenient sprayer with a large capacity, adjustable pressure, multiple nozzle options and no constant hand pumping. It makes covering larger areas much easier. Just keep the weight in mind if you plan on filling it completely. And if your husband wears it, congratulations on your new handsome turtle.
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Reviewed in the United States on August 9, 2026 by ShannonLeigh
I've used quite a few backpack sprayers over the years, and this one has a feature that immediately set it apart from most of the competition: the pressure adjustment is on the handle where it belongs. If you've ever used a backpack sprayer with the controls mounted on the tank, you know how annoying it is to reach behind your back and blindly adjust pressure. With this unit, the adjustment dial is right at your fingertips. Being able to instantly change pressure while spraying is incredibly convenient and makes the entire experience much more efficient. The pump is powerful as well. With up to 120 PSI available, it has no problem handling weed control, fence lines, spot treatments, and larger spraying jobs around the property. The adjustable pressure range allows you to dial it back for delicate plants or turn it up when you need more reach and coverage. Battery life has been excellent. The included 4.0Ah battery lasted long enough that I was able to complete multiple spraying sessions without worrying about recharging. The Makita battery compatibility is another huge advantage, especially if you're already invested in that tool ecosystem. Comfort is surprisingly good for a fully loaded backpack sprayer. The padded shoulder straps and support system help distribute the weight, making longer spraying sessions much easier on your back and shoulders. The telescoping wand and included nozzle selection provide plenty of versatility. Whether I was treating weeds, spraying around landscaping, or covering larger areas, there was a nozzle that fit the job. Build quality feels solid overall, and I appreciate features like the wide fill opening, built-in filter, and clearly marked tank measurements. It's obvious some thought went into making this practical for real-world use. Pros: handle-mounted pressure control, powerful 120 PSI output, excellent battery life, Makita battery compatibility, comfortable harness system, multiple nozzles included, adjustable telescoping wand, large tank capacity, easy filling and cleaning Cons: a full 4.8-gallon tank gets heavy, but that's true of any backpack sprayer this size Overall: this is one of the better battery-powered backpack sprayers I've used. The handle-mounted pressure adjustment alone is worth mentioning because it makes such a difference in day-to-day use. Combined with strong performance, long battery life, and a comfortable harness, it's an excellent choice for lawn care, gardening, landscaping, and weed control.
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Reviewed in the United States on June 18, 2026 by Chevelle life
This battery-powered aprayer by Jesimaik has been a wonderful addition to my gardening arsenal. I have a large property, and I've been using this every morning for about 2 weeks now to treat weeds and brush. It's so easy to use, and I can finish a 4-5 gallon spray session within about 10 minutes. I've found it very easy to use and with multiple different included sprayer heads its simple to get the coverage I'm looking for. As a senior lady, I've found that the backpack is too much weight for me on my back, so I just fasten it to a garden dolly, and away we go. There are several features that I really like about this powered sprayer. One is the straining basket on the liquid intake side. This means I don't need to worry about something getting in the reservoir while filling. Another feature is that the on-off switch is on the body of the sprayer, but the secondary switch is controlled right on the sprayer wand. This allows me to pinpoint the amount and application area without overdosing a plant while turning on and off the sprayer. The sprayer wand can be adjusted from off and then turned to increase the flow from low to high. The battery seems to last a long time. I'm only charging it every 3rd day, and it hasn't run out of power on me in between charging. When putting the battery in, I find I need to press rather hard to get it to click into place, so if the sprayers are not spraying, check to make sure the battery is fully seated. The entire sprayer is constructed well. The plastic feels thick and durable. The hose is a non-kink thick hose. It sits on the ground stably with a heavy-duty base. I like tools that work easily and make my life simpler, and this definitely fulfills those demands.
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Reviewed in the United States on June 13, 2026 by know
Got this 4.8-gallon backpack sprayer to tackle the backyard weeds so my 6 and 9-year-old daughters have a clear lawn to practice their gymnastics. The extendable wand and different nozzles looked promising out of the box. But taking it through a full spray cycle revealed a few annoying hardware quirks. The main housing plastic feels noticeably cheap. It bends when screwing on the covers or sliding the battery door shut, and the bottom strap hooks are pretty thin. The straps themselves are wide but barely padded. Wand drips continuously when walking with it pointed down (gravity just pushes the liquid right past the seal). The mesh strainer sits flush inside the opening with no easy way to pull it out. The top lid is also missing a rubber o-ring, so it's bound to leak if tipped. Expected it to empty completely, but the internal intake sits a bit too high and leaves a puddle at the bottom of the tank. Charging the 4.0Ah battery is also slightly weird since the AC adapter just plugs into a tiny single pinhole directly on the battery pack. There are definitely bright spots. The telescopic wand has good reach, and the kit comes with a bunch of extra tips and replacement o-rings. The spray pattern is super consistent. Adjusting the flow rate is precise since the 120 PSI pressure dial is metal instead of cheap plastic. The battery compartment has enough extra room to fit a larger capacity pack if one exists. My favorite part is the small top storage box for the extra nozzles (I don't keep track of those very well). Not having to manually pump or hold down a trigger button the entire time saved my forearms and greatly sped up the yard work. The value for the money is hard to argue with here. It has obvious build compromises, but finishing a huge yard job is much faster when relying on the electric motor to do the heavy lifting.
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Reviewed in the United States on June 22, 2026 by Amazon Customer
This battery-powered backpack sprayer is a great tool for homeowners, gardeners, and landscapers who want to cover large areas efficiently without the fatigue of manual pumping. The adjustable pressure system provides plenty of flexibility, whether you're applying herbicides, fertilizers, or general lawn treatments. One of my favorite features is the handle-mounted pressure control. Having the adjustment dial right at your fingertips is much more convenient than reaching behind your back to change settings. It's easy to switch from a gentle mist for delicate plants to higher pressure for tougher applications. The included battery delivers solid runtime, and compatibility with Makita-style batteries is a big plus for anyone already invested in that ecosystem. Being able to swap batteries and keep working adds a lot of convenience for larger jobs. Comfort is another strong point. The padded shoulder straps and supportive harness help distribute weight evenly, which makes carrying a full tank much more manageable during extended use. The included accessories add a lot of versatility as well. The telescoping stainless steel wand reaches difficult areas, while the multiple nozzle options allow you to customize spray patterns for everything from spot treatments to broad coverage. I also appreciate the thoughtful design details like the wide-mouth opening, measurement markings, and built-in filter, all of which make filling and maintenance easier. The note about factory leak testing is reassuring too. A small amount of residual water shows the unit was tested before shipping, which speaks to quality control. Overall, this is a well-designed and versatile backpack sprayer that combines strong performance, long runtime, and excellent ergonomics. It's an excellent choice for anyone maintaining lawns, gardens, orchards, or larger properties.
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Reviewed in the United States on June 14, 2026 by Amazon User
I have over a dozen different sprayers now, 3 are battery powered. Out of all the pump and battery sprayers, this one is my favorite. I charged the battery and have used this sprayer several times over the past few weeks and the battery still has charge. It's a larger sprayer so when you fill it up it is a little on the heavy side, but I still find it pretty easy to carry around on my back. The sprayer wand is great and feels sturdy and somewhat durable, the hose feels a bit less durable but has held up great so far. I've been using the wind proof nozzle because it's been very windy until recently and this nozzle works great and definitely makes it easier spraying against the wind. It was very easy to set up and its very easy to fill. This sprayer has good pressure and it's adjustable with a knob so you can spray very lightly or you can spray heavy with a quick adjustment. It is a bit on the higher end of cost for a sprayer, but totally worth it's price. Hands down this is the best sprayer I own.
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Reviewed in the United States on July 6, 2026 by Kenneth L. Rayman II
I am super excited about this sprayer. I hate pumping up a sprayer, so having a power sprayer is a game changer. This is not commercial quality by a long shot, so keep in mind that I'm giving 5 stars based on the current price outfit $89, at which price this is a steal. First, it has lots of accessories. Second, it works great. Third, although the main power switch is on the back, the dial on the wand turns it on and off and adjusts pressure. High capacity backpack style is super handy. The straps are comfortable enough for occasional home use. The included battery is great. You can spend close to $90 on just a power tool battery. That said, the choice of Makita compatibility seems unusual. Makita doesn't really seem to have the market share it had in the 90s. Everything I have is DeWalt, so DeWalt battery compatibility would have been better for me, but a battery is included with a weird charging port, so that's likely all I'll need. If the battery does go out, I would have to buy an OEM or aftermarket Makita battery AND charger, since this charger isn't going to charge a normal battery. That stinks. Quality is low to mid. Perfectly good enough for occasional home use, but landscapers are unlikely to be buying this. But again, for $89 this really can't be beat. I'm using it for insecticides, carpet spotters, etc.
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Reviewed in the United States on June 7, 2026 by Unimpressed
Color: whitish
This JESIMAIK backpack sprayer is exactly what I needed for the bigger jobs. This sprayer holds 4.8 gallons. It can be used for many different types of sprays, so it is very versatile. The battery holds a great charge and I can get a lot of work Dione with just one charge. This sprayer actually mixes the sprays for me. It really does save so much time. It feels like it is durable and built really well. It came with a telescoping wand and five nozzles. It can spray up to 120PSI and the adjustment is easy to use. This is a very good value for this backpack sprayer.
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Reviewed in the United States on July 30, 2026 by pinnerman08