10 Best 4-gallon Battery Backpack Sprayer [2025]
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Finding the best 4-gallon battery backpack sprayer can often feel like a daunting task, especially with the multitude of options available on the market today. With varying features, capacities, and price points, it can be overwhelming to determine which sprayer will best meet your specific needs. Whether you’re a professional landscaper, a dedicated gardener, or someone tackling a home improvement project, selecting the right equipment is essential for achieving optimal results. This is where the challenge lies—sifting through countless reviews, specifications, and brands can consume valuable time and lead to frustration.
To simplify your search, we have meticulously curated a list of the top 10 battery backpack sprayers, focusing specifically on 4-gallon models. Our selection process involved extensive research, analyzing user feedback, and comparing product features to ensure that each sprayer on our list meets high standards of performance and reliability. By providing this guide, we aim to save you time and hassle, allowing you to make an informed decision without the headache of navigating through an overwhelming number of choices. Whether you prioritize efficiency, comfort, or durability, our comprehensive overview will help you find the perfect 4-gallon battery backpack sprayer tailored to your needs.
Top 10 4-gallon Battery Backpack Sprayer In The Market
Best 4-gallon Battery Backpack Sprayer 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
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.
Bestseller No. 3
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. 4
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. 5
Toovem 4 Gallon Battery Powered Backpack Sprayer - Electric Garden Sprayer with...
- Powerful Electric Spray System: Equipped with an enhanced electric spray pump and 18V strong battery power, this electric sprayer eliminates the need for manual pumping. Save time and effort while reducing fatigue, making daily spraying tasks more efficient and hassle-free.
- Long-Lasting Battery Life:TOOVEM backpack sprayer battery powered designed for large-scale operations, this 18V battery-powered backpack sprayer offers up to 5-6 hours of continuous use on a single charge. The universal replaceable battery interface ensures quick swaps for uninterrupted spraying.
- Easy to Use, Adjustable Spray Rod: Featuring a handheld electric switch for one-button operation, this garden sprayer is simple to control. The adjustable telescopic spray rod (570mm to 970mm) helps you reach higher and longer distances with ease.
- User-Friendly Design & Multiple Nozzles: Backpack sprayer 4-gallon translucent tank allows for easy liquid level monitoring, while the wide-mouth cover and enlarged water inlet with a filter make filling and cleaning a breeze. Includes 4 types of nozzles to suit different spraying needs, along with a double filter design to prevent clogging.
- Comfortable & Lightweight Design: Built with ergonomic shoulder straps and a lightweight yet sturdy LDPE box material, this backpack sprayer ensures better weight distribution and reduced fatigue. The back heat dissipation design adds extra comfort during long spraying sessions.
Bestseller No. 6
Battery Powered Backpack Sprayer 4 Gallon Lawn Garden Sprayer 8Ah 7.4V Lithium...
- 【Battery Powered Backpack Sprayer 】: 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 100 psi pressure of the pump allows the flow rate to reach up to 4.1L/min. The 4.2 Gal/16L capacity is large enough to meet your daily needs, making garden watering easy and efficient.
- 【User-Friendly Design】The enlarged water inlet with filter allows you to add liquid more easily without worrying about clogging with debris or other substances, thus protecting the internal components of the pump sprayer from any damage.
- 【7 Nozzles to Choose from】It includes seven different nozzles that can easily switch between spray and misting modes depending on your spraying needs to water delicate plants, care for your lawn, or clean your home for convenient watering, gardening, cleaning, and more.
- 【4.2 Gallon Capacity & 2 Spray Wands】: The large 4.2 gallon capacity tank supports a wider range of spraying tasks. This electric backpack sprayer comes with 2 spray wands, giving you even more spraying options! The brass pole is adjustable in length from 21.5 inches to 39.4 inches which can helps you spray hard-to-reach places. The plastic pole is suitable for bleach and other corrosive liquid. Our garden sprayers design to meet your various spraying needs.
- 【Warm Warranty】：If there is any issue with the product, please feel free to contact us and we will help you within 24 hours. You will get: 1* 8A 12V 4.2 Gallon Battery Powered Garden Sprayer, 2*aluminum caps, 7*nozzles, 2*Wands（1Telescopic stainless steel wand+1 Plastic wand）
Bestseller No. 7
Dewalt 190742 20V MAX Lithium-Ion 4 Gallon Powered Backpack Sprayer (Tool Only)
- Heavy-duty nylon-reinforced hose effectively avoids kinking
- Variflo technology efficiently adjusts the flow of operator
- Triple-filtration system helps minimize clogging
Bestseller No. 8
ALIENTABI Backpack Sprayer 4 Gallon, 2.6Ah- Lithium Battery Powered for Weeding,...
- Premium PE Materials: 4-gallon electric sprayer crafted from select materials that will last through several spraying seasons. Never chew up any essential organisms thanks to the diaphragm pump design. 20kg load bearing for each comfort strap with stainless steel hook
- Dual Speed Switch: Select the perfect spraying pressure for your battery pump sprayer at 36 psi or 65 psi with a flip of switch. High pressure gun with Viton seal plus extended threaded stainless-steel wand provide 0.46gp maximum pressure
- Lasting Performance: Lithium-ion battery powered sprayer eliminate manual frustration. Spray for over two hours on one charge and over 26-feet. Simply remove the battery, charge it, and pop it back in
- Double Waterproof: Our sprayer in lawn and garden is equipped with front-facing 18V/2.6Ah Samsung lithium battery pack with indicator and overload protection. Fully sealed battery cover that clicks in for added water resistance
- Customer Oriented: ALIENTABI is a customer-centric brand. Before the sprayer is sent out, the factory will conduct a series of quality inspections on the machine, including a water leakage test, so some products will have residual water stains inside the box, which will not affect the use. If you receive the goods and think there is a problem, get back to us
Bestseller No. 9
SideKing Battery Powered Backpack Sprayer 4 Gallon, Powerful Electric Garden...
- High-Efficiency Backpack Sprayer: Enjoy your gardening game with our 4-gallon battery powered sprayer. Delivering a robust 20-70 PSI, it effortlessly covers your entire garden or lawn. Say goodbye to the hand pump sprayer; our battery sprayer ensures consistent, labor-saving coverage, giving you more time to enjoy your greenscape.
- Durable Battery & Quick Charge: Equipped with a detachable 12V 2.5AH lithium battery, enjoy up to 4 hours of continuous spraying, covering vast gardens in one go. Recharge effortlessly with the included charger, charging is hassle-free, prepping you for the next garden sprayer session.
- Hassle-Free Maintenance: Every detail of this weed sprayer is designed for your convenient use. The enlarged water inlet with a filter can help you add liquid more easily, with a drain outlet on the container for easy cleaning. These features guarantee a seamless and efficient electric sprayer experience every time.
- Adaptable Spray Patterns: Tailor your spraying with 4 included nozzles and a telescopic wand. Whether you need fine mists or powerful jets, our water sprayer adapts to varied needs with precision. The trigger-locker adds ease, making diverse tasks from plant care to heavy-duty cleaning effortless.
- Comfortable & Versatile Use: Designed with a cushioned shoulder strap, ease your shoulders, experience reduced fatigue during prolonged use. This versatile back pack sprayer excels in watering, weeding, fertilizing, herbicide application, and home cleaning, and benefit from the reliability that comes with our 1-year warranty.
Bestseller No. 10
Greenworks 24V 4 Gallon Battery Powered Backpack Sprayer with 5 Tips, 70PSI...
- 70 PSI MAX PRESSURE & 25FT SPRAY RANGE - Achieve optimal spraying performance with a powerful 70 PSI max pressure and an impressive 25ft spraying distance, ideal for larger areas and efficient coverage.
- 4 GALLON TANK & 60 GALLONS PER CHARGE - The 4-gallon tank allows for extended use, spraying up to 60 gallons per full charge with the Greenworks 2.0Ah battery, perfect for all-day watering, spraying, or fertilizing tasks.
- ERGONOMIC DOUBLE-PADDED SHOULDER STRAPS - Designed for all-day comfort, the adjustable, double-padded shoulder straps offer superior back support and reduce fatigue, making it easier to carry for long periods.
- 5 PCS VERSATILE SPRAYING TIPS INCLUDED - Includes 5 interchangeable spray nozzles (double, single, fan, 4-hole, and adjustable tip), providing flexible spray patterns for a variety of applications such as lawn care, pest control, and more.
- COMPATIBLE WITH GREENWORKS 24V BATTERY - Powered by the Greenworks 24V lithium-ion battery, this sprayer offers fade-free, high-performance power to tackle demanding tasks without interruption.
Bottom Line
In conclusion, our selection of the best 4-gallon battery backpack sprayers reflects a thorough and comprehensive evaluation of numerous models on the market today. We took into account several critical factors, including battery life, ease of use, spraying efficiency, and customer reviews, to ensure that each product on our list meets high standards of quality and performance. By focusing on these criteria, we aimed to provide a well-rounded guide that caters to both novice users and seasoned professionals looking for reliable and effective sprayers.
Following our list of the best 4-gallon battery backpack sprayers will undoubtedly enhance your gardening or agricultural experience. Each product has been carefully chosen to deliver optimal performance, making the task of spraying easier and more efficient. Whether you’re tackling weeds, applying pesticides, or fertilizing your plants, the right backpack sprayer can save you time and effort while ensuring thorough coverage. By choosing one of the models we’ve highlighted, you can feel confident that you’re investing in a product that will meet your needs and exceed your expectations.
