Field King Professionals 190515 4-Gallon Battery Backpack Sprayer

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Product guide

Field King Professionals 190515 4-Gallon Battery Backpack Sprayer

The Field King Professionals 190515 is a 4-gallon battery-powered backpack sprayer for garden and chemical spraying. Its listing claims up to four hours of spray time or 50 gallons per charge under stated nozzle conditions, with no pumping required during use.

At a glance

Battery-powered spraying avoids manual pumping while applying liquids and water-soluble solutions.
The manufacturer claims up to four hours or 50 gallons per charge with the 8002 nozzle, so those figures are conditional rather than universal.
The listing describes a padded harness, lockable shutoff, filtration, and interchangeable battery system.
Not designed for use with wettable powders.

Price

$156.00Save 25%

Reference price: ~~$208.06~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

A 4-gallon backpack tank and powered operation suit longer garden or landscape spraying sessions without manual pumping.
An included charger and battery are listed, and the page claims a 3.5-hour charge time.
The listed nozzle set offers adjustable, flat-fan, and foaming spray options.

Cons

The manufacturer explicitly says it is not designed for wettable powders.
At 14.2 pounds before filling, the listed unit weight is a consideration for buyers prioritizing a light backpack sprayer.

Technical specifications

21 specifications

Identity
Brand	Field King
Model	Professionals
Model number	190515
Tank volume	4 gallons
Recommended uses	Garden sprayer, Chemical sprayer

Power and battery
Power configuration	Battery Powered
Battery	18 volt Lithium-Ion 2.1 Ah Battery
Charge time	3.5 hours
Claimed spray duration and volume	Up to 4 hours of spray duration on a single charge or 50 gallons of liquid (with 8002 nozzle)

Spraying
Maximum pressure	40 psi
Pressure and flow claim	Pre-set spraying pressure at 40 psi, 0.2 GPM, for typical landscape applications (with 8002 nozzle)
Hose length	50 inches
Wand length	21 inch poly wand
Nozzles listed	4 nozzles included: brass adjustable, low volume flat fan, high volume flat fan, and foaming nozzle. Also accepts tee jet nozzles.

Dimensions and installation
Weight listed	14.2 pounds
Dimensions listed	15"W x 22.5"H

Materials and construction
Material listed	Alloy Steel
Color	White
Frame claim	Powder-coated Steel frame for durability and chemical resistance
Seal material claim	highest quality Viton seals

Other listed details
Warranty description	1 Year

What to know before buying

Listing details to confirm

The stated runtime and volume apply to the 8002 nozzle, while the listed four-nozzle set does not identify that nozzle by name. The page also inconsistently describes four nozzles included versus six nozzles for versatility, and the 50-gallon claim appears elsewhere without the nozzle qualification. Confirm the nozzle count and the selected package contents before purchase.

Who is it for?

A good fit for

Gardeners and landscape users who want powered application of liquids or water-soluble solutions without hand pumping.
Buyers who can make use of the 4-gallon tank, backpack harness, and interchangeable battery system.

Less suited to

Users who need to spray wettable powders.
Buyers who require a guaranteed runtime across different nozzles or spraying conditions.

Field King Professionals 190515 4-Gallon Battery Backpack Sprayer · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 1,254 ratings

5 stars69%69%
4 stars11%11%
3 stars4%4%
2 stars2%2%
1 star14%14%

Customer feedback describes the sprayer as easy to use and reports positive experiences with spray performance. Other experiences are mixed: some customers say the battery handles multiple tanks, while others report short life, and opinions also differ on durability, value, pressure retention, and leakage. For buyers planning extended spraying, these varied battery and pumping reports matter alongside the manufacturer's conditional runtime claim. The overall rating is positive but cannot establish how the sprayer will perform in an individual use case.

Positive themes

Customers describe it as easy to use.
Some customer feedback praises its spray performance.

Mixed feedback

Battery life receives mixed feedback, including reports of both multiple tanks per charge and rapid battery depletion.
Customers report differing experiences with durability and value.
Feedback on pumping performance and leakage is mixed, with both positive and negative reports.

Frequently asked questions

Does this sprayer require manual pumping?

The listing says no pumping is required while using it with liquids and water-soluble solutions.

How long does the battery last?

The manufacturer claims up to four hours or 50 gallons per charge with the 8002 nozzle. Actual runtime for other nozzles or conditions is not specified.

Can it spray wettable powders?

No. The listing says this model is not designed for wettable powders.

How many nozzles are included?

The product details specify four included nozzles, but another manufacturer section refers to six. The exact count for the selected package is unclear, so check the listing before ordering.