10 Best 4-gallon Backpack Sprayers [2025]
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Choosing the right 4-gallon backpack sprayer can be a daunting task, especially with the vast array of options available on the market today. With so many different brands, models, and features to consider, finding the perfect sprayer to meet your specific needs can quickly become overwhelming. Whether you’re a homeowner looking to maintain your garden, a professional landscaper tackling large projects, or a farmer managing crops, selecting the wrong sprayer can lead to frustration and inefficiency.
To simplify your search, we have meticulously researched and shortlisted the ten best 4-gallon backpack sprayers based on performance, durability, ease of use, and customer feedback. Our comprehensive list not only saves you valuable time but also eliminates the hassle of sifting through countless reviews and specifications. With our curated selection, you can confidently choose a sprayer that best suits your needs, ensuring a more efficient and enjoyable experience in your gardening or landscaping endeavors.
Top 10 4-gallon Backpack Sprayers In The Market
Best 4-gallon Backpack Sprayers Review
Bestseller No. 1
PetraTools Battery Powered Backpack Sprayer 4 Gallon - 6 Hours Long Battery Life...
- 6-8 Hours Long Battery Life: No more pumping with the HD4000 battery powered sprayer! The 12V8AH battery pumps 200+ gallons per charge and lasts 4X longer than 2.0 lithium batteries. It’s perfect for large-scale operations with continuous, hassle-free performance.
- American Family-Owned Company & 24/7 USA Support: Since 2019, PetraTools has been turning customers into fans with the durable, and long-lasting performance of our battery back pack sprayer 4 gallon. Backed by 100% customer satisfaction, we are ready to assist you 24/7.
- Double-Padded Straps and Back Pad for Maximum Comfort: Whether you're a professional or a DIY homeowner with large lawns, gardens, or farms, this electric backpack sprayer has durable straps and a squeeze handle with a locking feature to reduce user fatigue.
- Weed Sprayer Battery Operated with Adjustable Pressure 40-90 PSI & 6 Versatile Nozzles: From misting to powerful streams, the battery-operated sprayer features adjustable nozzles and pressure control, allowing you to tailor the spray for watering, fertilizers, or weedkiller.
- Heavy-Duty Built for Leak-Free Operation: The new HD extendable wand (34.5 inches) and wide-mouth lid of the backpack sprayer battery powered allow easy filling and cleaning. The translucent tank with a gallon marker monitors liquid levels while the screen filter prevents clogs.
Bestseller No. 2
Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers &...
- 4-Gallon sprayer meets all your spraying needs (controlling weeds and pests, growing flowers and vegetables)
- Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter
- Viton seals and gaskets throughout the pump and shut-off for long lasting chemical resistance
- Adjustable padded straps with waist belt and built-in lumbar support
- Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan
Bestseller No. 3
Chapin 60114 Made in USA 4-Gallon Backpack Sprayer with 3-Stage Filtration...
- 4-GALLON DURABLE POLY TANK: durable 4-gallon translucent poly tank lets you see the tank capacity while filling and working, tank is durable and compatible with standard lawn and garden chemicals; 4-inch opening with filter cap to help catch debris when filling tank
- MADE IN THE USA WITH GLOBAL MATERIALS: designed and produced in the USA with US-based customer service and technical support, located at Chapin’s home base in Batavia, NY; backed by Chapin’s 1-year limited warranty
- 3-STAGE FILTRATION SYSTEM: a standard for Chapin backpack sprayers, a filter is located in the shut-off, inside the tank and with the cap; 3 different locations to catch debris before it clogs up your sprayer while working; more spraying and less downtime
- COMPONENTS: 20-inch poly extension wand to reach difficult areas, padded adjustable shoulder straps with waist strap and poly shut-off with lock-on feature so you don’t need to constantly grip the shut-off to spray
- ADJUSTABLE POLY CONE NOZZLE: dial your spray from coarse stream to shower depending on your application
Bestseller No. 4
SOLO 425 4-Gallon Piston Backpack Sprayer, Wide Pressure Range up to 90 psi
- Easily spray liquid disinfectants, fertilizers, herbicides, pesticides with Solo's high-performance piston pump for tree, shrub and plant protection
- Solo’s 425 backpack sprayer includes a 20-inch unbreakable wand that securely connects to a 48-inch nylon-reinforced high-pressure hose for an extended reach
- Four easily changeable commercial-grade spraying nozzles-Plastic Adjustable, Fan Spray, Hollow Cone, Jet Stream nozzle and is TeeJet compatible
- Designed with a commercial shut-off valve that securely locks in either the on or off position to minimize user fatigue, the pump handle is interchangeable for left or right-hand operation
- Solo's rugged metal frame with an extra-large tank opening makes it easy to fill and clean quickly
Bestseller No. 5
VEVOR Battery Powered Backpack Sprayer, 0-90 PSI Adjustable Pressure, 4 Gallon...
- No More Hand Pumping: Spraying has never been easier! VEVOR backpack sprayer battery powered features a durable 8Ah lithium-ion battery, which can spray for 4-6 hours straight from just one charge. The max. 90 psi pressure of the pump allows the flow rate to reach up to 4.1L/min. The 4 Gal/15 L capacity is large enough to meet your daily needs, saving you labor and time. Time to spray your worries away!
- Multiple Nozzles Available: This electric backpack sprayer 4 Gallon comes with 8 nozzles and 2 wands, giving you more options to choose how you spray! The brass wand features an adjustable length of 21.5"-39.4", and the plastic wand is suitable for bleaching agents and other corrosive liquids. The water pressure can be easily adjusted from 0 to 90 psi via the knob. Our garden sprayer will meet your various spraying needs with no trouble.
- Comfortable Shoulder Strap: Our weed killer sprayer features a shoulder strap for maximum comfort and portability. The widened straps and the cushion added to the back improve the softness and comfort. So you don't have to bear fatigue and soreness after long-time work. Get ready to work smarter, not harder.
- User-friendly Designs: Every detail for this battery operated sprayer is designed for your convenient use. The enlarged water inlet with a filter screen helps you add liquid easier, and the translucent tank with gallon markers lets you know the inner capacity clearly. Besides, the handle features a grommet, making it lockable to spray continuously without fatigue.
- Handle Any Spraying Tasks: Not only serve as sprayers in lawn and garden, our back pack sprayers are ideal for indoor and outdoor yard spraying needs like watering, gardening, general cleaning, washing, pet bathing, disinfecting, and many other applications. Hooray, it's time to spray. Are you ready?
Bestseller No. 6
REALWORK 4-Gallon Backpack Sprayer with Padded Shoulder Strap for Pests & Weeds,...
- EASY FILL: The funnel top allows for smooth filling, and the semi-transparent polyethylene tank allows you to see the capacity of fluid you have left
- EFFICIENT OPERATION: High-efficiency pump with chemical resistant seals, built-in pressure release valve, and locking trigger for continual spray. Also includes padded shoulder straps for added comfort during use
- RELIABLE COMPONENTS: Reinforced flexible hose with chemical resistant polymer wand, continual spray controller, and fully adjustable nozzles
- INDOOR AND OUTDOOR USE: Use it to soak vegetable gardens, hanging plants, and indoor/patio plants, clear walkways and edges of houses
- ATTENTION: If you encounter any moisture within the product as it arrives, rest assured it is merely water. The products are tested for leaks during development and are not always completely dry when shipped to our fulfillment centers. Feel free to reach out if you have any concerns!
Bestseller No. 7
Chapin 61500 4-Gallon Made in USA Euro Style Backpack Sprayer with Poly Fan/Cone...
- 4-GALLON DURABLE POLY TANK: translucent poly tank lets you see the tank capacity while filling and working, tank is durable and compatible with standard lawn and garden chemicals; 4-inch opening with filter cap to help catch debris when filling tank
- 2-STAGE STANDARD FILTRATION SYSTEM: one filter is located in the shut-off and the other as a basket with the tank cap; 2 different locations to catch debris before it clogs up your sprayer while working
- COMPONENTS: adjustable padded shoulder straps, 20-inch poly extension wand and 48-inch reinforced hose, shut-off with lock-on feature
- ADJUSTABLE POLY CONE NOZZLE: dial your spray from coarse stream to shower with the poly nozzle depending on your application and chemical
- CHEMICAL COMPATIBILITY: nitrile seals compatible with common fertilizers, weed killers and pesticides so you can easily choose your solution to combat weeds, pests, insects and general cleaning
Bestseller No. 8
Chapin 60100 4 Gallon Backpack Sprayer for Lawn and Garden, Translucent
- 4-Gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning
- Compatible with common fertilizers, weed killers and pesticides
- Cushion grip poly shut-off with poly-cone nozzle
- 2-Stage filtration system
- Padded shoulder straps to accommodate a full backpack for hours
Bestseller No. 9
SideKing Battery Powered Backpack Sprayer 4 Gallon, 0-100 PSI Adjustable...
- Elevate Your Spraying Experience with High-Pressure Sprayer. Are you tired of the inefficiency and trouble of traditional sprayers? Now is the time to upgrade your tools and enjoy the convenience and efficiency brought by the new battery powered backpack sprayer! Compatible with Makita 18V batteries, it allows for easy battery swapping for continuous use. With 3-4 times more efficiency than manual sprayers, saving you time and effort.
- Efficient and Durable, Professional Quality: This electric backpack sprayer is powered by a 2.6Ah lithium battery, providing up to 2 hours of continuous spraying per charge. The included charger fully charges the battery in just 3 hours, ensuring readiness. A digital voltage display allows for clear battery usage monitoring, while the battery discharge protection automatically shuts off the sprayer when voltage drops below 14V, extending battery life.
- Powerful Performance for Every Task: Our high-pressure sprayer delivers up to 100 PSI, tackling gardening, cleaning, and dusting effortlessly. The stainless steel telescopic spray gun and adjustable pressure knob ensure precise and efficient spraying. With a spray range of over 25 feet and a large tank capacity, it covers wide areas quickly. The long-lasting battery allows for all-day operation, eliminating the limitations of traditional sprayers. Upgrade now for an efficiency boost!
- Ergonomic Design for Comfort and Convenience: Our sprayer features double-layer padded shoulder straps to reduce back strain and fatigue. The semi-transparent tank with gallon markings allows easy monitoring of liquid levels, and the wide-mouth lid ensures hassle-free filling and mixing. Equipped with a stainless steel telescopic spray gun and a convenient trigger, it offers user-friendly operation. The wide-mouth lid and secondary lid for nozzle storage enhance ease of use and efficiency.
- Reliable and Durable for All-Weather Use: Our high-quality lithium battery and waterproof design ensure long-lasting durability, even in harsh conditions. With 5 versatile nozzles included, you can handle everything from detailed gardening to powerful cleaning. Enjoy peace of mind with our worry-free one-year warranty and round-the-clock online support. Have questions about our product? Feel free to reach out to us anytime.
Bestseller No. 10
Battery Powered Backpack Sprayer 4 Gallon, VAXMAY 100 PSI Electric Graden...
- Compatible with Makita Battery: our battery backpack sprayer is compatible with Makita 18V batteries, making battery replacement simple. The weed sprayer features a digital voltage display for clear monitoring of battery usage to remind you in time. Equipped with a battery discharge protection, the battery powered yard sprayer will automatically shut off when the voltage drops below 14V for better extend battery life and long time use.
- 16 Tanks Spraying in One Go: This battery garden can spray 16 tanks of water and mix solution continuously at one time on a single charge. Additionally, the electric garden sprayer comes with a 2.6Ah 21V battery and a 110-240V charger, providing continuous, reliable power to keep your operations running smoothly. It is ideal for various spraying applications, from gardens and lawns to agricultural fields.
- 100 PSI Strong Spraying: The weed sprayer has a strong spraying force, reaching up to PSI 100 (7Bar) with the 3800 rpm high-speed motor. The adjustable PSI Knob of lawn sprayer ensures optimal performance and adaptability for all your tasks, whether you delicately mist plants or need a powerful stream to target distant areas. The water sprayer comes with 5 different nozzles, it can meet all your daliy needs. Telescopic wand with Trigger Design can be extended to 39.3in for hard-to-reach places.
- Comfortable Backpack Sprayer: The thickened and widened backpack strap of lawn sprayer guarantees easy mobility and utmost comfort. With Unique Waist Support and thickened cushioning design, it minimizes strain and fatigue, allowing for effortless spraying while carrying the sprayer. The translucent water tank scale allows for easy monitoring of the remaining liquid level. Additionally, our battery powered sprayer boasts an upgraded storage area to accommodate essential accessories with ease.
- Wide Application & One Year Warranty: Electric garden sprayer can handle a variety of tasks, including weed and feed lawn fertilizer, spraying fertilizers or herbicides, cleaning your car, pet bathing, sprinklers for yard and more. Comes with worry free One-year Warranty and 7/24 online service. Any questions about product, feel free to contact us.
Bottom Line
In conclusion, selecting the best 4-gallon backpack sprayers can significantly enhance your gardening, landscaping, or pest control experience. We carefully curated this list of 10 products by considering factors such as durability, ease of use, comfort, and user reviews. Each sprayer was evaluated based on its features, performance, and value for money, ensuring that we only included the most reliable and efficient options on the market. By analyzing the specifications and customer feedback, we aimed to provide a comprehensive guide that caters to various needs and preferences.
By following our list of the best 4-gallon backpack sprayers, you can make an informed decision that will ultimately save you time and effort in your outdoor tasks. Whether you are a professional landscaper or a home gardening enthusiast, choosing one of these top-rated sprayers will enhance your efficiency and effectiveness. Investing in a quality backpack sprayer not only improves your results but also makes your spraying tasks more enjoyable and less cumbersome. With the right tools in hand, you can achieve vibrant gardens and pest-free environments with ease.
