Field King Lithium Ion Powered Backpack Sprayer
Best battery-powered sprayer for gardeners seeking effortless, consistent application.
Experience effortless lawn and garden care with the Field King Lithium Ion Powered Backpack Sprayer. This 4-gallon sprayer eliminates manual pumping, providing consistent pressure for up to 4 hours on a single charge. Its durable construction, featuring a powder-coated steel frame and poly wand, resists chemical wear. The padded harness ensures comfort during extended use, while the included four versatile nozzles adapt to various application needs, making tasks like landscape maintenance, gravestone cleaning, and masonry cleaning more efficient and convenient.
$159.99
Owner Satisfaction
4.5
/ 5
Category Rank
98
/ 486
#98 in Lawn & Garden Sprayers
Price vs Category Average
-50%
Below average
Battery
182.1
/ Volt lithium-ion amp hour
Who it's for
- Homeowners tackling large lawns without manual labor
- Gardeners requiring precise and uniform chemical application
- Professionals needing durable equipment for harsh chemical use
Who should skip it
- Budget-conscious buyers seeking an affordable entry-level sprayer
- Users wanting a low-maintenance tool without long-term battery costs
- Individuals with limited physical strength or back sensitivity
Performance breakdown
Operational Efficiency
Battery-powered pressure eliminates the fatigue of constant manual pumping.
Ergonomic Comfort
Padded harness system makes carrying a full tank manageable for hours.
Build Durability
Powder-coated steel frame withstands harsh chemicals and rugged outdoor environments.
Application Versatility
Four included nozzles handle everything from masonry cleaning to delicate lawn care.
Battery Endurance
Four hours of continuous runtime covers large properties on one charge.
Flow Consistency
Pre-set 40 PSI ensures uniform coverage without fluctuating spray patterns.
Key Specs
Battery
18 Volt lithium-ion 2.1 amp hour
Spray Duration
Up to 4 hours or 50 gallons
Charger Time
3.5 hours
Pressure
Pre-set at 40 PSI
Flow Rate
0.2 GPM
Weight
14.65 lbs
Dimensions
10.5 × 15.5 × 22.75 in
Frame Material
Powder coated steel
Features
- Battery-powered for no manual pumping
- Consistent spray pressure
- Durable, chemical-resistant build
- Includes four versatile spray nozzles
- Comfortable padded harness
- Quick 3.5-hour battery recharge
- 4-gallon capacity for extended use
What customers say
Customers overwhelmingly praise this sprayer for its exceptional efficiency and comfort. The reliable lithium ion battery system delivers consistent pressure for extended periods, completely removing the need for manual pumping. Users frequently highlight the ergonomic design, noting the padded harness significantly reduces fatigue during long applications. While the main pump and battery earn near universal acclaim for performance, some users mention that the included plastic wand components show less durability than the core unit. Despite minor hardware critiques, the substantial time and effort saved make this sprayer a highly recommended investment, justifying its premium value through superior, effortless performance.
Know before you buy
The 18-volt lithium-ion battery provides up to 4 hours of continuous spraying, which is enough to cover approximately 50 gallons of liquid.
No, this model is fully battery-powered. It maintains a consistent 40 PSI, eliminating the need for manual pumping and ensuring an even application.
Yes, the sprayer is built with chemical-resistant components, including a poly wand and a powder-coated steel frame, making it suitable for landscape maintenance, masonry cleaning, and other heavy-duty tasks.
The empty unit weighs 14.65 lbs. When filled to its 4-gallon capacity, the total weight will increase significantly, though the padded harness is designed to help distribute that weight comfortably across your back.
The sprayer comes with four versatile nozzles that allow you to switch between different spray patterns, making it easy to adapt the flow for specific tasks like precision weeding or broad area coverage.
The battery takes approximately 3.5 hours to reach a full charge from empty.
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