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Best backpack sprayer 4 gallons - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Petra

PetraTools Battery Powered Backpack Sprayer 4 Gallon - 6 Hours Long Battery Life & Padded Straps for Comfort - HD4000 Electric Backpack Garden Sprayer with 6 Spray Nozzles & 90PSI Adjustable Pressure

Petra

$249.99

More Details
Main highlights
- 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.
- Exceptional Value with All Essentials: HD4000 battery pump sprayer includes a 12V8AH battery, charger, 4 Gallon tank, measuring cup, filter, 6 nozzles, 4-foot hose, extendable wand, valve handle, padded straps, back pad, seal rings, fuse, and manual.
- 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.
- 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.
- 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.
$249.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TaskStar

TaskStar Backpack Sprayer 4 Gallon Battery Powered Electric - 2 * 2000mAh Battery Lawn Sprayer 100PSI Adjustable Pressure with 2 Wands, 6 Nozzles, Lawn Yard Weed Battery Sprayer for Garden

TaskStar

$129.99

More Details
Main highlights
- Water Pressure Display & 1-Year Coverage: This sprayer comes equipped with an intuitive water pressure display, allowing you to easily monitor and adjust pressure for optimal spraying performance. Whether you need fine misting or a powerful spray, the clear display ensures precise control. Plus, with a 1-year warranty, you can trust in the product's durability and long-term reliability, giving you peace of mind with every use
- Versatile Nozzles for All Your Spraying Needs: Our garden sprayer is equipped with 6 interchangeable nozzles: single, dual, triple, brass, large, and shower nozzles. Each nozzle offers precise, adjustable spray patterns to suit a variety of tasks—from fine misting for delicate plants to powerful, wide coverage for larger areas. With this range of options, you can tackle everything from gardening and agricultural work to cleaning and disinfecting with ease and efficiency
- Total 2X2000mAh Battery for Unmatched Endurance: Equipped with 2X2.0AH batteries, TaskStar 4-gallon sprayer offers impressive battery life, allowing you to tackle long-duration tasks without interruption. The high-capacity battery provides extended runtime, making it ideal for large-scale gardening, lawn care, and other outdoor projects. The powerful 2X2000mAh batteries let you tackle large areas and extended tasks efficiently, reducing the need for frequent recharging
- Supportive Shoulder Straps for Comfort: The electric weed sprayer is equipped with reinforced, thickened shoulder straps that are specifically designed to evenly distribute weight and alleviate pressure. These durable, ergonomic straps provide exceptional comfort and support, allowing you to carry the sprayer for long periods without discomfort. Whether handling heavy-duty tasks or tough conditions, these straps provide stability and comfort, making your spraying more efficient and less tiring
- Large Capacity & Wide Coverage: This battery backpack sprayer comes with a 4.2-gallon (16L) tank and a spray range of up to 16 feet, designed for efficient large-area coverage, saving you both time and effort. Whether for gardening or cleaning, the TaskStar sprayer ensures consistent and even spraying, keeping your lawn, garden, and outdoor spaces looking fresh and vibrant
- Generous 4.2 Gallon (16L) Capacity for Extended Use: With a large 4.2-gallon (16L) tank, this battery-operated sprayer allows for longer, uninterrupted spraying sessions, making it perfect for larger areas or more extensive tasks. The spacious capacity reduces the need for frequent refills, increasing efficiency and saving you time, whether you're working on gardening, agricultural projects, or cleaning tasks
- Effortless Spraying with No Manual Pumping Required: TaskStar battery-powered backpack sprayer eliminates the hassle of traditional manual pumping. With an adjustable pressure range of 100 PSI and a max flow rate of 4L/min, this sprayer ensures easy and efficient operation. Simply press the button to start spraying without the need for repetitive pumping, saving you time and effort. Perfect for long-term use, it's ideal for a variety of household and gardening tasks
- Durable Dual Telescopic Rods for Max Reliability: Our electric backpack sprayer is equipped with two types of telescopic rods: a PVC wand and a brass wand, both featuring brass connectors. This design offers exceptional durability and wear resistance, even with frequent use in tough conditions. The combination of lightweight PVC and robust brass provides both flexibility for reaching difficult areas and strength for heavy-duty tasks, ensuring reliable performance and long-lasting durability
- All-in-One Backpack Sprayer for Every Task: TaskStar electric pump sprayers are perfect for more than just lawn and garden care. They are ideal for a wide range of indoor and outdoor tasks, including watering, gardening, cleaning (windows, floors, and more), pet bathing, disinfecting, and many other applications
$129.99
3
Best Value
35% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Field King
35% Off

FIELD KING 190328 Backpack Sprayer, 4 Gallon, with Internal No Leak Pump Design Delivers 150 PSI

Field King

$79.04

$121.99
(35% Off)

More Details
Main highlights
- Premium, lockable shut off with brass components and an in-line filter.
- Internal No Leak Pump design is safer to use chemicals will not drip down your back. Internal piston pump delivers up to 150 PSI
- Includes 6 Nozzles: adjustable brass, high volume wide fan (brown), low volume wide fan (red), low volume narrow fan (yellow), jet stream (orange) and foaming (black). Also accepts TeeJet nozzles.
- Easy access pump allows changing of seals in just minutes with no tools
- Durable, 21 inch poly wand with the highest quality Viton seals can be used with Wet table powders and liquids for all applications does the work of both a piston and diaphragm backpack
$79.04
$121.99 (35% Off)
4
25% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SOLO
25% Off

SOLO 425 4-Gallon Piston Backpack Sprayer, Wide Pressure Range up to 90 psi

SOLO

$89.95

$119.99
(25% Off)

More Details
Main highlights
- Thoughtfully designed with Viton seals placed in key locations to ensure long service and durability
- 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
- Solo's rugged metal frame with an extra-large tank opening makes it easy to fill and clean quickly
- Four easily changeable commercial-grade spraying nozzles-Plastic Adjustable, Fan Spray, Hollow Cone, Jet Stream nozzle and is TeeJet compatible
- Easily spray liquid disinfectants, fertilizers, herbicides, pesticides with Solo's high-performance piston pump for tree, shrub and plant protection
- 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
$89.95
$119.99 (25% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Roundup

Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers & Insecticides, 4 Gallon

Roundup

$83.99

More Details
Main highlights
- Viton seals and gaskets throughout the pump and shut-off for long lasting chemical resistance
- Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan
- Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter
- Adjustable padded straps with waist belt and built-in lumbar support
- 4-Gallon sprayer meets all your spraying needs (controlling weeds and pests, growing flowers and vegetables)
$83.99

Best backpack sprayer 4 gallons - Holiday Sale 2025

PetraTools Battery Powered Backpack Sprayer 4 Gallon - 6 Hours Long Battery Life & Padded Straps for Comfort - HD4000 Electric Backpack Garden Sprayer with 6 Spray Nozzles & 90PSI Adjustable Pressure

TaskStar Backpack Sprayer 4 Gallon Battery Powered Electric - 2 * 2000mAh Battery Lawn Sprayer 100PSI Adjustable Pressure with 2 Wands, 6 Nozzles, Lawn Yard Weed Battery Sprayer for Garden

FIELD KING 190328 Backpack Sprayer, 4 Gallon, with Internal No Leak Pump Design Delivers 150 PSI

SOLO 425 4-Gallon Piston Backpack Sprayer, Wide Pressure Range up to 90 psi

Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers & Insecticides, 4 Gallon

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