{"product_id":"field-king-battery-backpack-sprayer-4-gallon-pro-max-18v-lithium-up-to-4-hr-runtime","title":"Field King battery backpack sprayer 4-gallon Pro Max — 18V lithium, up to 4 hr runtime","description":"\u003cp\u003e\u003cstrong\u003eThe Field King 190515 Pro Max is a battery-powered 4-gallon backpack sprayer that delivers hands-free pressurized spraying for landscape pros and contractors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Pro Max 190515 combines a roomy 4-gallon tank with an integrated 18V lithium-ion battery and a vertical spray reach up to 24 feet, making it a go-to tool for herbicide, fertilizer, insecticide and fungicide applications where mobility and consistent pressure matter. Built on a powder-coated steel frame and modeled on Field King’s no-leak pump ergonomics, this unit protects the battery and electronics during filling and use while offering easy maintenance and long run times.\u003c\/p\u003e\n\n\u003ch3\u003eHow long will the battery run and how much liquid can I spray on a charge?\u003c\/h3\u003e\n\n\u003cp\u003eThis sprayer uses an 18V, 2.1 Ah lithium-ion battery that charges in about 3.5 hours and is interchangeable with other compatible Field King batteries. Typical operation yields up to four hours of continuous spray time or about 50 gallons per charge when paired with the 8002 nozzle, though actual results vary by nozzle choice and pressure settings.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e18V 2.1 Ah battery charges in roughly 3.5 hours (charger included)\u003c\/li\u003e\n  \u003cli\u003eUp to 4 hours runtime per charge under normal conditions\u003c\/li\u003e\n  \u003cli\u003eApproximately 50 gallons per charge using the 8002 nozzle\u003c\/li\u003e\n  \u003cli\u003eInterchangeable battery system for extended field work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of chemicals and nozzles does it support?\u003c\/h3\u003e\n\n\u003cp\u003eThe Field King 190515 is designed for water-based solutions such as liquid herbicides, insecticides, fungicides and fertilizers. It includes four nozzle types and accepts commonly used TeeJet-style fittings, but it is not recommended for wettable powders or abrasive suspensions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFour nozzles included: brass adjustable, low-volume flat fan, high-volume flat fan, foaming\u003c\/li\u003e\n  \u003cli\u003eAccepts TeeJet nozzles for added versatility\u003c\/li\u003e\n  \u003cli\u003eNot intended for wettable powders or heavily abrasive mixes\u003c\/li\u003e\n  \u003cli\u003eViton seals and lockable shutoff provide chemical resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it handle clogging, comfort, and durability on long jobs?\u003c\/h3\u003e\n\n\u003cp\u003eTriple filtration minimizes nozzle and pump clogs while prolonging service life. A fully padded back harness and ergonomic layout reduce fatigue during extended use, and the powder-coated steel frame resists corrosion from common landscape chemicals.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTriple filtration system prevents clogs and extends pump life\u003c\/li\u003e\n  \u003cli\u003ePadded harness and ergonomic shape for all-day comfort\u003c\/li\u003e\n  \u003cli\u003ePowder-coated steel frame resists chemicals and wear\u003c\/li\u003e\n  \u003cli\u003ePremium Viton seals and lockable shutoff for reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat pressure, flow, and spray accessories are built in?\u003c\/h3\u003e\n\n\u003cp\u003eThe sprayer arrives preset to spray at roughly 40 psi and 0.2 GPM with the 8002 nozzle for typical landscape tasks. It includes a 21-inch poly wand and high-quality fittings, and its components are serviceable so you can swap nozzles or replace seals as needed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFactory preset pressure ~40 psi and flow ~0.2 GPM (with 8002 nozzle)\u003c\/li\u003e\n  \u003cli\u003e21-inch poly wand for reach and control\u003c\/li\u003e\n  \u003cli\u003ePremium lockable shutoff for pause and transport safety\u003c\/li\u003e\n  \u003cli\u003eServiceable design for nozzle and seal replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Landscape contractors, pest control technicians, groundskeepers, and serious homeowners who need a portable, battery-powered sprayer that balances run time, chemical resistance and reach. If you require a handheld pump-free solution for repeated liquid applications across lawns, beds, fences or hard-to-reach areas, the Field King 190515 Pro Max is engineered to deliver professional-level performance and easier maintenance on multi-site jobs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use wettable powders in the Field King 190515?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The 190515 is not designed for wettable powders or heavy suspensions; use only water-based liquid solutions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How far can the sprayer reach vertically?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: With the included setup the sprayer achieves up to a 24-foot vertical spray reach for high or hard-to-reach targets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Field King","offers":[{"title":"Default Title","offer_id":56801468776788,"sku":"B07C814RC4","price":320.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/field-king-190515-front-view.jpg?v=1786742633","url":"https:\/\/gardenluxe.co.uk\/products\/field-king-battery-backpack-sprayer-4-gallon-pro-max-18v-lithium-up-to-4-hr-runtime","provider":"Gardenluxe Uk","version":"1.0","type":"link"}