Backpack Sprayer 4 Gallon with Mixer, 100 PSI Powerful Pressure Pump Battery Powered Electric Weed Insecticide Sprayer, Telescopic Metal Spray Arm Pole, 5 Nozzles, Ergonomic Backpack, for Lawn Garden
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Availability:
In Stock.
Arrives
Monday, Sep 8
Features
- Built-In Mixing: The electric backpack sprayer is equipped with an automatic mixing mechanism. When adding powdered or liquid herbicides, pesticides, cleaning agents, or other formulations, simply hold the mixing button to ensure thorough blending for consistent application.
- Powerful Adjustable Spray Pressure: With an adjustable spray pressure range of 0-100 PSI and 5 interchangeable nozzles, this sprayer is ideal for various tasks, for lawn and garden plant watering, nurseries, vegetable gardens, or applying, cleaning agents, herbicides, and pesticides. Simply adjust the pressure to suit your needs for optimal performance.
- 4-Gallon Tank: The large-capacity 4-gallon tank supports extended spraying tasks over larger areas. The tank features: A filter mes at the water inlet to prevent debris from clogging the sprayer. A water level indicator to monitor remaining liquid at a glance.
- Rechargeable Design: Powered by a removable 12V 8000mAh lithium battery, the sprayer delivers up to 4 hours of continuous operation at maximum pressure. A single charge can spray up to 34 full tanks. Recharge with the included charger in just 5.5 hours. For uninterrupted operation, additional compatible batteries can be purchased separately.
- Adjustable Spray Arm: Stainless steel sprayer arm Adjustable maximum 80CM/31.50inch length, for spray ranges of different heights, with a simple locking mechanism for continuous spraying without needing to hold the trigger. Spray gun holder securely mounts the sprayer to the tank after use, preventing residual water from spilling and keeping your workspace clean.
- Ergonomic Backpack Design: Designed for comfort, the sprayer features double-layer padded shoulder straps, reducing back strain and fatigue for easy mobility during prolonged use.
- Package List: 1*sprayer, 5*nozzles, 1*spray arm, 1*charger, 1*12V 8000 mAh battery, 1*manual
- Warning: When installing the sprayer for the first time, carefully read the manual to ensure no parts are missing, which could cause leaks. Pay special attention to the built-in sealing ringmake sure it is installed and tighten all connection knobs securely to prevent leaks.
Brand: BietrunPro
Tank Volume: 4.2 Gallons
Color: Blue
Recommended Uses For Product: Weed Killer, Insecticide, Lawn and Garden Plant Watering
Material: Plastic
Brand: BietrunPro
Tank Volume: 4.2 Gallons
Color: Blue
Recommended Uses For Product: Weed Killer, Insecticide, Lawn and Garden Plant Watering
Material: Plastic
Product Dimensions: 14"W x 18"H
Style: Backpack
Power Source: Battery Powered
Included Components: 1 Shoulder Strap, 1 Electric sprayer, Viscosity Cup, 1 Battery Charger, 5 Nozzles
Model Name: PH03-NEW
Maximum Pressure: 101 Pound per Square Inch
Hose Length: 80 Centimeters
Item Weight: 10.38 pounds
Manufacturer: BietrunPro
Country of Origin: China
Item model number: PH03-NEW
Batteries: 1 12V batteries required. (included)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Sep 8
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
it is a good sprayer for the price easy to use
Reviewed in the United States on July 22, 2025 by Nancy Pelzel
This sprayer has been an excellent aid for me! While it is large, it is not unwieldly given the use of the provided straps that easily fit around your shoulders. I have an area that is just on the other side of my fence that encircles my back yard and it is approximately a 3-4 foot width of gravel and is approximately 75 feet long, that is facing the streetside, just beyond my fence. It seems to me that there is literally not more than 3 or 4 days go by without still more weeds and even 3-4 inch trees popping up. I am so disgusted with the proliferation of undesirables popping up, that this was a perfectly wonderfully timed aid in addressing this ongoing challenge. I do not utilize anywhere near the amount of spray that most homeowners do, and I do so sporadically as I need to, so I do it far less often given my environmental concerns. Upon receiving this sprayer, I charged the included battery, which was almost entirely charged. The sprayer also has many different sprayer nozzles to maximize just which one will enable maximum penetration of the spray. I used the sprayer for 3 different outings and was able to achieve an excellent rate of coverage from the sprayer. It worked flawlessly for me. Upon finishing the third use, I carefully rinsed out the tank two or three times then ran the sprayer again until the nozzle ran clean. This sprayer is a tremendous tool for the homeowner. It worked beautifully for me. Under the larger cover on top of the sprayer there is room to store some of the sprayer parts and replacement nozzles which is an excellent feature. The sprayer functioned beautifully for me. It maintained full pressure all of the time that I used it. It did not lose pressure, and it is such a relief to avoid the need for continually pumping up the sprayer to pressurize it by hand. This sprayer functioned beautifully, and I would definitely recommend it based upon my personal experience! Highly Recommended in fact!
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Reviewed in the United States on July 14, 2025 by Mark Bittner
The media could not be loaded. For the most part, it gets the job done. I've used it twice - once for grass fertilizer and once for insect/spider treatment. The grass fertilizer was liquid corn gluten and it clogged the sprayer a couple times, even with pouring the fertilizer through the included filter and adding extra water. Both the mixer motor and the spray pump seem to work pretty well. It is a little annoying that the mixer switch is spring-loaded to turn off, so you have to keep your finger pressed on it to mix. The battery seems to charge and work fine. It has two spacers on each side of it, so it feels like you could upgrade to a much larger battery if you wanted. There are some cons... * The instructions are really weak. It barely tells you how to assemble it. I had no idea what the second opening on the top was for (I later found out it is just storage from reading the Amazon description). I have no idea how to attach the backpack straps. I have no idea which nozzle is best for different applications. * The shoulder straps are attached at the top, but not at the bottom. I was able to clip them to the bottom, but it is nearly impossible to put the sprayer on your back without one of the clips popping off. I had to place the sprayer on a counter and throw the straps over my shoulders and clip them in before standing up. Again, instructions would be great here. * The spray grip has a "lock on" mode that always engages when I pull the spray trigger. Every time I want to stop spraying, I have to fight the thing. * It clogs easily with thicker solutions. * Lots of leaks. Nothing major, but all the hose joints dripped while using it. I tried new washers and re-tightening, but it kept dripping. * The reservoir cap on the top leaks around the edge and has a vent hole in the middle of the cap. If you bend over at all, prepare to have whatever chemical you are spraying to pour on your head.
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Reviewed in the United States on July 21, 2025 by S. Miller S. Miller
****Update I had a lot of ants on my shed because of all the Mesquite beans I sprayed them all down with Zevo then they were all stuck to the shed so I took out this handy dandy sprayer. I have another video but it only lets you download one so I’ll show you a picture of a kind of cleaning off the shed if you can tell it worked really nice. I like this spraying bugs anthills cleaning houses patios fertilizing lawns. It’s amazing . The mobility of it all. Just ran out of water had to refill it still my favorite new toy however because I couldn’t hold on much water on my back anyways. I recently got this BietrunPro electric backpack sprayer, and I'm genuinely impressed with how easy it is to use. Setting it up was straightforward, and I especially love the built-in mixing mechanism , it really helps keep whatever chemicals I'm using thoroughly blended for consistent application, whether it's herbicides for the yard or cleaning agents for my patio. You can see it bubbling away in the video. The buttons are conveniently located on the outside of the machine, and I appreciate the little cover that prevents it from accidentally turning on. Being able to adjust the spray pressure gives me control for different tasks around the yard, from watering plants to cleaning the grill, as you can see in the photos. The included five interchangeable nozzles are also helps customize the spray. The 4-gallon tank is a good size for tackling larger areas without constant refilling, and it's nice that it has a filter to prevent clogs. It has a long battery life up to 4 hours but mine needed charging right out of the box. There's a gauge on the machine to show you how much charge is left (although I don’t think mine is working I did when I first filled it up and tried it but now I don’t think it’s working). I'm already planning on washing the house with it – I know I'll have to refill, but I can't wait to do it! I can see myself finding lots of things to use this for besides my lawn and garden. I also really like the extendable wand. It's made of stainless steel (not real think) and can adjust up to 31.5 inches, to extend to different heights. It also has a simple locking mechanism for continuous spraying, so you don't have to constantly hold the trigger. There's a spray gun holder to keep things neat when not in use. While the 4-gallon capacity adds significant weight when full, the overall unit itself feels pretty lightweight, which is actually a good thing for my back. The shoulder straps are double-padded and comfortable, helping to reduce strain. My only minor quibbles are that the battery box and the handle/spraying nozzle feel a bit on the cheaper, lightweight side. Also there could be a better clasp system as shown in the photo to hold the sprayer on the straps, because trying to keep it attached while putting it on is awkward, I had someone help me keep it in place when I put it in. However, the functionality is great, and for the price, it's a solid performer. Overall, this sprayer has made my yard work and cleaning tasks much more efficient. The price is going down so I think it’s a fair price since I bought it, but it could still use some improvements like the gauge maybe better handle for your ability..
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Reviewed in the United States on July 17, 2025 by annette rainville annette rainville