15L Backpack Style Electric Sprayer With Self-cleaning Function

15L Backpack‑Style Electric Sprayer | Auto‑Clean & Adjustable Flow

Professional‑grade knapsack spraying solution built for commercial agriculture, landscape care and public sanitization projects. Get wholesale quotations, custom OEM support and distributor cooperation offers by reaching out to our sales team.

Product Overview

For farm crews, orchard operators, greenhouse technicians and sanitation contractors, poorly‑designed sprayers often bring repeated frustrations: pipeline blockages, heavy manual cleaning work, fluctuating spray pressure and limited battery compatibility. This 15L knapsack sprayer from Crosstec is engineered to resolve these real‑world pain points in field operations.

Equipped with high‑performance diaphragm pump hardware, it supports mainstream 18V DeWalt slide‑in batteries already widely adopted across job sites. Thanks to our proprietary self‑cleaning mechanism, adjustable flow setting and intelligent constant‑pressure module, users gain steady spraying performance, far less routine maintenance and extended machine service lifespan. It serves as a practical investment both for end‑users carrying out daily spraying tasks and global agricultural goods resellers.

Designed to handle herbicides, insecticides, fungicides, foliar nutrition liquid and disinfectant agents, this unit fits diverse working scenarios ranging from crop protection to large‑area sterilization work.

What Makes This Sprayer Stand Out From Ordinary Models

Traditional battery‑powered knapsack sprayers usually feature fixed‑output modes. After every working shift, operators must take apart hoses and pump assemblies for thorough washing; chemical residues easily build up and trigger clogging after weeks of frequent usage.

Our redesigned unit brings two major upgrades. Firstly, operators can freely tune liquid output to match different crops and treatment goals. Secondly, the one‑touch auto‑clean cycle removes residual chemicals inside pipelines, cutting down post‑shift cleaning labour significantly. No more spending extra working hours on machine disassembly and scrubbing.

Core Selling Points 

Cross‑Platform Battery Compatibility for DeWalt 18V Tools

There is no requirement to buy brand‑specific batteries or dedicated chargers. If your workshop already owns DeWalt power tools such as drills and cutting saws, simply reuse your existing 18V slide‑pack batteries on this sprayer.

When paired with a 5.2Ah battery pack, continuous runtime can hit approximately 5 hours, enough to cover multiple hectares of farmland. Rotate spare battery units and you can keep working non‑stop throughout the whole working day. Built‑in over‑discharge protection safeguards both the sprayer pump and your DeWalt battery modules, slowing down battery ageing — a thoughtful detail rarely seen among competing sprayer products.

Patented One‑Touch Auto‑Clean System Against Internal Blockages

A great share of sprayer breakdowns are caused by hardened chemical sediment inside pump chambers and hoses. Wettable powders and concentrated fertilisers will leave stubborn deposits if not fully flushed out after each use. Disassembling components for manual cleaning wastes plenty of productive time.

Our patented automatic flushing cycle can be activated with a single button. It washes out chemical leftovers before they solidify onto inner surfaces. Field feedback collected from global farm operators shows maintenance workload drops by roughly 70%. The diaphragm pump achieves a rated service life of 1000 working hours, which triples the average lifespan of competing sprayers within the comparable price bracket.

Continuously Adjustable Flow for Precision Application

Different plant types demand different spray volumes. Instead of swapping nozzles frequently, you can rotate the adjustment knob to get seamless flow variation.

*Low‑flow fine mist mode: gentle atomisation for fragile young seedlings to avoid plant burn or physical damage

*High‑volume output mode: delivers heavy liquid flow for large‑scale orchard coverage to raise overall working efficiency

Flexible flow control helps minimise unnecessary agrochemical waste and optimise treatment effectiveness.

Smart Constant‑Pressure Control for Uniform Atomisation

Many battery sprayers suffer obvious pressure drop as battery power drains, resulting in inconsistent droplet sizes and uneven coverage. Our embedded intelligent control circuit maintains stable pressure from the first tank all the way to the last tank of liquid.

*Consistent atomisation effect regardless of remaining battery level

*Reduced pressure swing during continuous operation

*Even spray distribution across target foliage surfaces

*Improved outcomes for pest control and foliar fertilising work

Robust 15‑Litre Chemical‑Resistant Liquid Tank

Crafted from reinforced modified polypropylene material, the 15L tank strikes a good balance between large working capacity and comfortable backpack‑carrying experience. The material offers strong tolerance to most agricultural chemical agents and withstands knocks and bumps in rough outdoor field environments.

Fewer refilling interruptions during long working shifts

Resists corrosion from fertilisers, herbicides and disinfectants

Impact‑proof construction for harsh on‑site conditions

Clear liquid‑level window allows operators to check remaining volume conveniently

Industrial‑Grade Diaphragm Pump Assembly

Built for heavy‑duty commercial usage, the diaphragm pump guarantees reliable pressure delivery and far‑reaching spraying performance.

*Working pressure range: 1.3‑6.5 bar

*Adjustable liquid flow:1.4‑3.7 L/min

*Maximum effective spraying distance: above 8 metres

*Pump rated service life: up to 1000 working hours

Human‑Centred Backpack Harness for All‑Day Operation

Padded back cushion and multi‑point adjustable shoulder straps relieve pressure across shoulders and back, lowering fatigue during hours‑long continuous carrying. This ergonomic design is highly valued by operators who spend entire working days on spraying assignments.

Suitable Working Environments

This versatile knapsack sprayer adapts to a wide spectrum of commercial‑level assignments: fruit and citrus orchards, grape vineyards, open‑field vegetable farms, greenhouse crop cultivation, plant nursery management, municipal landscape maintenance, livestock farm disinfection, city public sanitation projects, professional pest‑control services and commercial space sanitisation jobs.

Technical Specifications

Why Partner With Crosstec?

Since 2017, Crosstec has focused exclusively on lithium‑powered sprayer R&D and manufacturing, at a time when most industry peers were still relying on lead‑acid battery solutions. Through continuous field feedback collection, our engineering team has gained deep insights into equipment failure modes, durability bottlenecks and real‑world demands raised by professional end‑users.

Today our products are supplied to distributors and OEM partners spread across more than 50 countries worldwide. Our sprayers are actively used for vineyard operations in France, citrus plantations in Brazil, vegetable growing bases across Southeast Asia and municipal sanitation programmes in the Middle East. We accumulate rich practical experience adapting equipment for varied local water conditions, agrochemical types and user operating habits.

Constant‑pressure spraying represents one of our core patented innovations. Unlike competing products whose pressure drops sharply with battery depletion, our system holds stable performance from full charge down to low‑power status.

Every finished unit goes through full‑function factory inspection, instead of mere random sampling. Although complete product testing adds to production cycle time, it drastically reduces DOA (dead‑on‑arrival) unit complaints for our distribution partners. If you are searching for a dependable sprayer manufacturer for wholesale distribution or custom branding projects, feel free to initiate conversations with our sales department.