--- product_id: 425027570 title: "DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons" brand: "dewalt" price: "HK$5634" currency: HKD in_stock: true category: "Dewalt" url: https://www.desertcart.hk/products/425027570-dewalt-20v-lithium-ion-battery-powered-backpack-4-gallons store_origin: HK region: Hong Kong --- # 20V Lithium-ion power 50-inch nylon-reinforced hose Triple-filtration clog defense DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons **Brand:** dewalt **Price:** HK$5634 **Availability:** ✅ In Stock ## Summary > 🌿 Power through your garden chores with DEWALT’s unstoppable sprayer! ## Quick Answers - **What is this?** DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons by dewalt - **How much does it cost?** HK$5634 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/425027570-dewalt-20v-lithium-ion-battery-powered-backpack-4-gallons) ## Best For - dewalt enthusiasts ## Why This Product - Trusted dewalt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Heavy-duty nylon-reinforced hose and Viton chemical-resistant seals ensure durability against harsh garden chemicals. - • **Versatile Nozzle Kit:** Multiple nozzle tips with a handy clip let you switch seamlessly between weed control, feeding, and pest management. - • **Ergonomic Comfort Fit:** Deluxe padded shoulder and adjustable hip harnesses distribute weight evenly, so you stay comfortable all day. - • **Effortless Power Boost:** Say goodbye to pumping with a robust 20V lithium-ion battery that keeps you spraying longer and faster. - • **Precision Flow Control:** Variflo technology lets you dial in the perfect spray pattern for every task, maximizing efficiency and coverage. ## Overview The DEWALT Lithium-Ion Powered Battery Backpack Sprayer DXSP190681 is a 4-gallon, battery-powered sprayer designed for professional-grade garden care. Featuring a 20V lithium-ion battery, Variflo adjustable flow technology, a heavy-duty 50-inch nylon-reinforced hose, and a triple-filtration system, it delivers consistent, clog-free spraying. Its ergonomic harness system ensures all-day comfort, while chemically resistant Viton seals guarantee durability. Perfect for weed control, feeding, and pest management, this sprayer is built tough to get the job done faster and easier. ## Description The DEWALT 4 Gal. Lithium-ion Powered Backpack Sprayer has been built to outperform, outlast and finish the job in less time - with no more pumping. The lithium-ion powered backpack sprayer has Variflo® technology which allows the operator to adjust the flow for multiple applications using specific nozzles for consistent spraying. This sprayer has a deluxe harness with wide, padded shoulder straps that fit snug across the torso and curve to the contour of the user's body. An adjustable hip harness assists with weight distribution, relieving burden from the user's shoulders. Multiple nozzle tips are included for versatility in both application rates and patterns and can be stored on the included nozzle clip. Equipped with a comfort grip handle and lock-on mechanism, this shut-off system can be easily operated with heavy-duty work gloves. It includes a 50 in. heavy-duty nylon-reinforced hose and strain relief system preventing the hose from kinking at the chemical exit point. This sprayer unit is also equipped with chemically resistant Viton seals throughout to withstand the effects of harsh chemicals. Whether it's for weeding and feeding, or controlling pests - users are equipped for the Job. It's GUARANTEED TOUGH. ## Features - Heavy-duty nylon-reinforced hose effectively avoids kinking - Variflo technology efficiently adjusts the flow of operator - Triple-filtration system helps minimize clogging ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09TB8NSZY | | Best Sellers Rank | #36,226 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #189 in Lawn & Garden Sprayers | | Brand Name | DEWALT | | Color | Yellow | | Customer Reviews | 4.5 4.5 out of 5 stars (301) | | Global Trade Identification Number | 00841688006478 | | Hose Length | 50 inches | | Included Components | Backpack Sprayer, 20V* Lithium-ion Battery and Charger | | Item Dimensions W x H | 10"W x 22.5"H | | Item Type Name | DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons | | Item Weight | 17.8 pounds | | Manufacturer | The Fountainhead Group Inc | | Manufacturer Part Number | 190681 | | Manufacturer Warranty Description | 3 year limited warranty | | Material Type | Stainless Steel, Heavy-duty nylon-reinforced hose | | Model Name | DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons | | Model Number | DXSP190681 | | Number of Items | 1 | | Power Source | Battery Powered | | Recommended Uses For Product | Garden sprayer, Weed Control, Pest Control | | Style Name | Backpack | | Tank Volume | 4 gallons | | UPC | 841688006478 | | Unit Count | 1 Count | ## Product Details - **Brand:** DEWALT - **Color:** Yellow - **Material:** Stainless Steel, Heavy-duty nylon-reinforced hose - **Recommended Uses For Product:** Garden sprayer, Weed Control, Pest Control - **Tank Volume:** 4 gallons ## Images ![DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons - Image 1](https://m.media-amazon.com/images/I/51Agbtx2GOL.jpg) ![DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons - Image 2](https://m.media-amazon.com/images/I/41mpvHayIRL.jpg) ![DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons - Image 3](https://m.media-amazon.com/images/I/61Ne46Nxj4L.jpg) ![DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons - Image 4](https://m.media-amazon.com/images/I/51wQ4ES0qVL.jpg) ![DEWALT 20V* Lithium-ion Battery Powered Backpack, 4 Gallons - Image 5](https://m.media-amazon.com/images/I/61nfZjZeZyL.jpg) ## Questions & Answers **Q: Will the 5 amp hour batteries work with this or must you use the 2 amp hour batteries?** A: 5 amp batteries should work…. So should flex volt batteries. **Q: Can this sprayer be used to seal fresh concrete?** A: I would not use this for sealer..use a cheap one, or buy one the is made for chemicals **Q: can I use round up in it?** A: Yes you can put what ever you want in it. **Q: What is the psi that is generated from this sprayer?** A: The box says 90 "max" psi, with ** asterisks that seem to depend on which nozzle you use. ## Frequently Bought Together - Dewalt 190681 20V MAX 4 gal. Lithium-ion Cordless Backpack Sprayer Kit (2 Ah) - DEWALT 20V MAX 5 Ah Lithium Ion Battery 2-Pack (DCB205-2) - DEWALT 20V MAX* Charger, 4-Port, Rapid Charge (DCB104) , Black/Yellow --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/425027570-dewalt-20v-lithium-ion-battery-powered-backpack-4-gallons](https://www.desertcart.hk/products/425027570-dewalt-20v-lithium-ion-battery-powered-backpack-4-gallons) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-09-30*