Field King Lithium-ion Battery Powered Backpack Sprayer
Best battery-powered sprayer for homeowners managing large lawns and gardens.
Experience efficient and convenient spraying with the Field King 190515 Lithium-Ion Battery Backpack Sprayer. This 4-gallon sprayer is powered by a long-lasting 18V, 2.1 Ah lithium-ion battery, offering up to 4 hours of continuous use and spraying up to 50 gallons on a single charge. The battery is housed internally for protection and easy access, recharging fully in just 3.5 hours. It delivers a consistent 40 psi at 0.2 gpm, with a vertical spray reach of up to 24 feet. Designed for comfort, it features a padded back, wide shoulder straps, and weighs only 11 lbs when empty. Viton® seals ensure maximum chemical resistance. Includes multiple nozzle types for versatile application.
$149.99
Owner Satisfaction
4.5
/ 5
Category Rank
98
/ 486
#98 in Lawn & Garden Sprayers
Price vs Category Average
-53%
Below average
Battery
182.1
/ Volt lithium-ion amp hour
Who it's for
- Users seeking relief from repetitive manual pumping strain
- Gardeners requiring precise and uniform chemical application
- Landowners managing large properties needing long-lasting power
Who should skip it
- Budget-conscious buyers preferring affordable manual alternatives
- Users wary of long-term battery maintenance and replacement costs
- Individuals sensitive to heavier equipment loads on their back
Performance breakdown
Battery Efficiency
Four hours of continuous runtime handles large properties without mid-job recharging.
Chemical Compatibility
Viton seals provide professional-grade resistance against harsh fertilizers and pesticides.
Ergonomic Comfort
Padded straps and back panel significantly reduce fatigue during extended spraying sessions.
Spray Reach
Vertical projection of 24 feet makes treating tall shrubs and trees effortless.
Flow Consistency
Steady 40 PSI output ensures uniform coverage across all application surfaces.
Application Versatility
Included nozzle variety adapts easily to different spray patterns and tasks.
Key Specs
Battery
18 Volt lithium-ion 2.1 amp hour
Spray Duration
4 hours or 50 gallons
Charger
3.5 hour charger included
Pressure
40 PSI
Flow Rate
0.2 GPM
Frame
Powder coated steel
Wand Material
Poly
Dimensions
10" L x 15" W x 22.5" H
Features
- Long-lasting 18V lithium-ion battery
- Up to 4 hours of spray time
- Sprays up to 50 gallons per charge
- Quick 3.5-hour battery recharge
- Consistent 40 psi pressure
- Viton® seals for chemical resistance
- Comfortable padded backpack design
- Includes four versatile nozzles
What customers say
Customers highly value this battery powered backpack sprayer for its transformative convenience and consistent performance. The elimination of manual pumping significantly reduces fatigue, allowing for faster, uniform application across large areas. Exceptional battery life frequently exceeds expectations, supporting multiple full tank sprays on one charge, highlighting strong reliability. Users consistently praise the steady pressure delivery essential for effective lawn care. While the initial cost is higher, the efficiency gains and robust build quality justify the investment, creating a high value perception. Comfort from the padded harness is also a key benefit. Minor concerns focus on accessory durability, but overall, this sprayer is celebrated as a top tier upgrade for its power and dependable operation.
Know before you buy
The 18V lithium-ion battery provides up to 4 hours of continuous spray time, which is enough to cover approximately 50 gallons of liquid.
Yes, the sprayer is equipped with Viton® seals, which are specifically designed to provide high chemical resistance and prevent leaks when using various lawn and garden chemicals.
The sprayer weighs 11 lbs when empty. Since it has a 4-gallon capacity, you should expect the total weight to increase by roughly 33 lbs when the tank is filled with water, bringing the total to approximately 44 lbs.
The sprayer delivers a consistent 40 psi, allowing for a vertical spray reach of up to 24 feet, which is helpful for reaching taller shrubs or small trees.
Yes, the unit includes four versatile nozzles, allowing you to adjust the spray pattern to suit different application needs, such as fine misting or targeted streams.
The included charger will fully recharge the 2.1 Ah lithium-ion battery in approximately 3.5 hours.
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$150