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Best 4 gallon backpack sprayers - 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
Best Value
35% Off

✖
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 190515 Professionals Battery Powered Backpack Sprayer, 4 gal

Field King

$142.99

$219.99
(35% Off)

More Details
Main highlights
- Up to 4 hours of spray duration on a single charge or 50 gallons of liquid (with 8002 nozzle)
- Triple filtration system prevents clogging during use and enables pump longevity
- Premium, lockable shutoff; 21 inch poly wand; and the highest quality Viton seals for chemical resistance
- Pre-set spraying pressure at 40 psi, 0.2 GPM, for typical landscape applications (with 8002 nozzle)
- Powder-coated Steel frame for durability and chemical resistance
- Not designed for use with wettable powders.
- No pumping required while using with liquids and water soluble solutions
- Fully padded back harness for all day spraying comfort
- 4 nozzles included: brass adjustable, low volume flat fan, high volume flat fan, and foaming nozzle. Also accepts tee jet nozzles.
- 18 volt Lithium-Ion 2.1 Ah Battery charges in 3.5 hours (charger included). interchangeable Battery system.
$142.99
$219.99 (35% Off)
3
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.

NPGLOBAL

Battery Powered Backpack Sprayer - 4.2 Gallon, 8 Nozzles, 100PSI Cutoff, Long Battery Life, Wide Mouth, High-Pressure Spray Hose, Trigger Lock, Pressure Knob Controller

NPGLOBAL

$92.97

More Details
Main highlights
- TRANSLUCENT TANK - The tank is translucent to make it easier for users to keep track of what they're adding to the tank before getting started. Keep track of what goes into your tank and how much of the solution you have left with a quick look! Seeing through the tank eliminates the guessing game and prevents users from wasting product by adding more of the solution when they don't need it. In addition, you can adjust the spray level and nozzle to your liking upon checking the tank.
- MULTIPLE NOZZLES AVAILABLE - Choose from an assortment of eight different nozzles based on what you're cleaning for your convenience. In addition to 8 nozzles, we offer a mouth lid strainer, wide mouth lid, and convenient replacement accessories. These valuable accessories can enhance your experience of using the backpack sprayer when cleaning different surfaces, making the job less stressful and more enjoyable!
- LIFETIME WARRANTY - Our battery-operated backpack sprayer is durable and reliable, allowing you to get your money's worth! We are sure that the equipment will exceed expectations and provide the best experience possible. If you aren't satisfied for any reason, reach out to us immediately for help. Our goal is to provide the best experience possible. A lifetime warranty backs this product to provide peace of mind and assurance to users!
- HIGH-PRESSURE SPRAY HOSE - Enjoy our powerful spray hose that offers the reliability you deserve when handling different projects. Clean with ease while having convenient access to working pressure from 21.8 PSI to 100 PSI. The high-pressure hose works with such speed and efficiency to remove even the most challenging stains. It has a flow rate of 4.0L per minute and comes equipped with a stainless steel telescopic lance and a convenient trigger. Use the trigger lock when not in use for safety!
- COMFORTABLE SHOULDER STRAPS - Wear the backpack sprayer with ease for hours on end when you need to do so! It comes equipped with durable padded shoulders to increase your comfort while you focus on getting the job done. The durable straps will stay put, keeping the sprayer tank secure on your back while you complete various cleaning tasks. You won't have to worry about unwanted irritation and discomfort while you wear it! It also comes with an integrated carry handle for easy transport.
$92.97

Best 4 gallon backpack sprayers - 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

Field King 190515 Professionals Battery Powered Backpack Sprayer, 4 gal

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

Battery Powered Backpack Sprayer - 4.2 Gallon, 8 Nozzles, 100PSI Cutoff, Long Battery Life, Wide Mouth, High-Pressure Spray Hose, Trigger Lock, Pressure Knob Controller

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