10 Best Backpack Sprayers For Weed Killer in The UK

Last updated on 16/06/2025

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Best Choice

9.8

Exceptional

Roundup

Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers and Insecticides, 4 gallon

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Why We Love It

Versatile in gardening and cleaning.
Seals provide long-lasting chemical resistance.
Straps offer comfort and support.

Main Highlights

4-gallon sprayer meets all your spraying needs (controlling weeds and pests, growing flowers and vegetables and cleaning decks and siding)
Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter
Viton seals and gaskets throughout the pump and shut-off for long lasting chemical resistance
Adjustable padded straps with waist belt and built-in lumbar support
Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan

SYLSTAR Battery Powered Knapsack Sprayer 12L,80PSI Pressure Spray Compatible With Makita 18V Battery,Backpack Sprayer With 5 Nozzles,39.3'' Telescopic Wand,For Garden&Lawn(Includ 2.0Ah/21V Battery)

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Why We Love It

Compatible with Makita battery.
Powerful 80 PSI spraying force.
Comfortable, ergonomic design.

Main Highlights

【Compatible with Makita Battery】The weed sprayer features a digatle voltage display that clearly shows the battery usage, allowing you to monitor the power level in real time. The built-in battery discharge protection automatically shuts off the sprayer when the voltage drops below 14V, helping to extend the battery life and ensure long-term use.
【80PSI Strong Spraying Force】The knapsack sprayer features an impressive 80 PSI (5.5Bar) pressure powered by a 3200 rpm high-speed motor. It offers a fully adjustable PSI knob to suit all your spraying needs, whether you're applying a fine mist to plants or need a strong stream for distant spots.
【15 Tanks Spraying in One Go】With a full charge, this water sprayer can spray up to 15 full tanks of water and mixed solution. The electric sprayer is equipped with a 2.0Ah 21V battery and a 110-240V charger, providing reliable and consistent power for smooth operation. The long reach sprayer makes it perfect for a variety of spraying tasks, from garden and lawn care to larger agricultural areas.
【Ergonomic Knapsack Sprayer】The backpack battery sprayer features ergonomic design with wide padded straps and waist support to minimize fatigue during prolonged use. Its semi-transparent tank enables quick liquid level checks, while the extendable 39.3-inch telescopic wand and 5 interchangeable nozzles adapt to various spraying needs. An upgraded storage compartment organizes accessories.
【Service Guarantee】This electric garden sprayer is suitable for a variety of tasks, including weed control, lawn fertilization, applying fertilizers or herbicides, car cleaning, pet baths, and yard watering. It comes with a one-year worry-free warranty and 24/7 online customer support. If you have any questions about the product, feel free to contact us for assistance.

Matabi - Manual Backpack Sprayer - 16L - Fibreglass Lance - 3 Positions Pressure Regulator - Padded Straps - Garden, Orchard and Agriculture - Super Green 16 - Made in Europe

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Why We Love It

Versatile with adjustable bar settings.
Offers normal spraying and decompression.
Impressive 16L capacity.

Main Highlights

BACKPACK SPRAYER: Ideal for use in large areas, this backpack sprayer features easy carrying features, such as padded and adjustable straps, a lever-operated lance holder, and a lightweight, ambidextrous design.
LARGE EXTENSIONS: Our backpack sprayer is designed to meet the needs of those with gardens, allotments or orchards of more than 400 square metres, hence its large 16-litre spray tank. Efficiency and autonomy in a single product!
MAIN FEATURES: It has a 3-position pressure regulator to ensure a uniform treatment, a chamber with a synthetic seal for intensive use, a fibreglass lance and a lateral liquid indicator.
MADE IN EUROPE: Manufactured in Europe, our products meet all the quality standards required by international organisations. We also have a sales and distribution network that operates in more than 110 countries.
ABOUT US: At Matabi, we have over half a century of experience in developing spraying solutions that make work easier and save effort. We incorporate new technologies with the aim of satisfying our customers.

Oregon Backpack Sprayer with Lance and 4 Adjustable Spray Nozzle, Suitable For Pesticide, Lawn Feed, Weed and Moss Killer, Reliable Outdoor Garden & Lawn Care, Knapsack Sprayer Garden Tool, 16 Litres

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Why We Love It

Multi-purpose and versatile sprayer.
Generous 16-litre capacity tank.
Ergonomic and comfortable design.

Main Highlights

𝗠𝗨𝗟𝗧𝗜-𝗣𝗨𝗥𝗣𝗢𝗦𝗘 𝗚𝗔𝗥𝗗𝗘𝗡 𝗦𝗣𝗥𝗔𝗬𝗘𝗥: Suitable for use with insecticides and herbicides for weed control, as well as for environmental disinfection to maintain the perfect lawn and garden
𝟭𝟲 𝗟𝗜𝗧𝗥𝗘 𝗖𝗔𝗣𝗔𝗖𝗜𝗧𝗬 𝗧𝗔𝗡𝗞: With a pressurised chamber, our high pressure sprayer is easy to use and lightweight for fast, effective gardening whilst protecting you from harsh chemicals
𝗙𝗨𝗟𝗟 𝗞𝗜𝗧 𝗜𝗡𝗖𝗟𝗨𝗗𝗘𝗗: Comes with flexible tube and spray lance of +/- 2.0 meters, a shoulder strap, hose, spare seal kit for quick repairs and 4 choices of nozzles, flat fan and adjustable cone
𝗘𝗥𝗚𝗢𝗡𝗢𝗠𝗜𝗖 𝗗𝗘𝗦𝗜𝗚𝗡: The reverse of the sprayer tank is ergonomically shaped to fit against the user's back, making it comfortable to wear for long periods; ideal for use in large gardens
𝗣𝗥𝗢𝗙𝗘𝗦𝗦𝗜𝗢𝗡𝗔𝗟 𝗣𝗘𝗥𝗙𝗢𝗥𝗠𝗔𝗡𝗖𝗘: Crafted with robust high-quality materials to ensures longevity, reliability and versatility from heavy duty weed control to flower bed watering

SYLSTAR 12L Battery Powered Knapsack Sprayer, Electric Garden Sprayer Handle with 3 Spraying Force& Battery Indicator, Backpack Sprayers With 5 Nozzles, 41" Telescopic Wand, Weed Spray For Lawn&Garden

19% OffFree Shipping

Why We Love It

Upgraded handle enhances durability.
Effortless spraying with ease.
Comfortable ergonomic design reduces fatigue.

Main Highlights

【Upgrated Powerful Spraying】Knapsack sprayer is equipped with an upgraded handle featuring 3 adjustable spraying force,battery indicator,and a integrated waterproof handle for enhanced durability.Garden sprayer built-in battery indicator allows you to effortlessly monitor the remaining charge, so you’ll always know when it’s time to recharge.Weed sprayer of 7.4V upgraded handle adopts strong spraying force, which can spray 8 tanks of water after being fully charged.
【Integrated Waterproof】Pressure sprayer of electric handle is equipped with a fully integrated waterproof design, ensuring excellent protection for internal components. The USB port can be completely exposed in water without the need for a rubber cover. This design protects motors and electronic devices from water damage, preventing water ingress and potential malfunctions. In addition, the strong 7.4V spray force can apply insecticides, fertilizers, and weed killer, ensuring reliable operation working in unpredictable conditions.
【Comfortable and Ergonomic】Weed killer sprayer pump is thoughtfully designed with adjustable,padded backpack sprayer straps for a customizable fit and added comfort.The soft foam padding ensures a cushioned feel. Pump sprayer has telescopic wand (14.1 to 40.5 inches) provides convenient reach for tackling even the most challenging areas.The backpack sprayer ergonomic handle is carefully crafted to provide a firm,comfortable grip,significantly reducing hand and wrist fatigue during prolonged use.
【Practical Designs】Weedkiller sprayer is equipped with 2*2000mAh batteries, which can run up to 3 hours, you can complete large-scale tasks without frequent charging. The water sprayer has coil spring prevent kinking from hose and one-touth activation can easily control the spray to ensure smoother water flow. In addition, four interchangeable nozzles can adjust the spray mode for you at any time to adapt to various tasks from exquisite gardening to large area spray, saving time in large-scale applications.
【Wide Application & One Year Warranty】With a 12L/3.2-gallon capacity,sprayer for patio cleaning is perfect for watering,weeding,fertilizing,spraying herbicides,and cleaning.Comes with worry free 12-month warranty and 24 customer support.Contact us anytime with uestions.

Spear & Jackson 15LPAPS 15 Litre Backpack Style Pressure Sprayer

3% Off

Why We Love It

Versatile left or right operation.
Adjustable nozzle for precise application.
Award-winning British gardening utility.

Main Highlights

15 Litre capacity with easy pump action
Can be operated from left or right, features an adjustable nozzle
Ergonomic sprayer bottle for increased comfort with adjustable shoulder straps
All metal safety clips with push lock
Product is supplied with three extra nozzles
Grow Your Own 2022 Great British Growing Award Winners
Where not using water, use liquids no less/more than pH values 5-9

Faithfull Pressure Sprayer Knapsack - 16 Litre Capacity Garden Spray Pump with 3 Adjustable Nozzles & Service kit

5% OffFree Shipping

Why We Love It

Durability ensures long-term use.
Convenient lightweight design.
Continuous use with trigger lock.

Main Highlights

16L Capacity & Durable Construction – Ideal for larger gardens, this sprayer holds more for extended use without frequent refills. Made from shatterproof, frost-resistant materials and suitable for most water-based garden chemicals, this durable sprayer is built for long-lasting performance in tough outdoor conditions.
Pump-as-You-Go Action – Making light work of those big spraying jobs, the pump as you go action efficiently creates pressure with minimal effort for quick and easy spraying. The trigger locks allow for continuous use, providing a consistent coverage. Equipped with pressure release safety valves, this sprayer ensures safe and reliable operation.
Easy Handling – The Ergonomically designed curved tank and twin shoulder straps with quick-release buckles provide ease of use and ensure comfort during long sessions. Fitted with a large filling mouth and removable filter, the sprayer is both easy to refill and easy to clean, offering convenience, efficiency and long-term reliability.
Hose & Lance with Nozzle Sprays & Service Kit – With a 140cm hose and 90cm lance, this sprayer offers optimal flexibility to reach tricky spots with ease. Supplied with three versatile adjustable spray nozzles, 30-degree twin spray, fan spray and four-hole spray, allowing for customized spray patterns for different applications and comes complete with a handy service kit to keep the sprayer in top working condition for prolonged use.
Faithfull 5 year Manufacturers Guarantee – Ideal for home gardening or managing a larger plot, the Faithfull Pressure Sprayer’s large capacity, adjustable settings and comfortable design make it an indispensable tool, offering durability, reliability and efficiency in garden care needs.

Draper Knapsack Garden Sprayer 12L | Backpack Pump Action Pressure Sprayer | Weed Killer Pump Sprayer | Patio Cleaner | 63056

14% Off

Why We Love It

Convenient adjustable shoulder strap feature.
High performance pump incorporated.
Adaptable spray pattern tip.

Main Highlights

High Pressure - Garden sprayer with a high velocity pump action to ensure powerful pressure spray and wash.
Multi-Mode - 5M long hose and fibreglass lance fitted with an adjustable mode spray pattern tip.
High Comfort - Fitted with adjustable padded shoulder straps on the back for comfort and portability.
Features - High performance pump and safety pressure release valve.

SYLSTAR Garden Sprayer 5L, Battery Powered Pressure Sprayer with 3 Mist Nozzles, USB Rechargeable Handle and Retractable Wand, Upgrade Electric Weed Spray & Water Spray with Adjustable Shoulder Strap

15% OffFree Shipping

Why We Love It

Effortless spraying made easy.
Powerful, precise, and adjustable.
Simple filling and cleaning.

Main Highlights

Effortless Spraying: Weed killer sprayer pump is equipped with a battery-operated handle and a self-priming water pump, this electric garden sprayer enables you to easily control the spray using a single button on the handle. The pressure sprayer boasts a 3 hrs continuous spraying capability, which places it among the most powerful sprayers suitable for lawn and garden use. Additionally, adjustable shoulder strap helps to alleviate fatigue while performing outdoor tasks, enabling you to effortlessly spray your yard or house.
Powerful and Precise Spraying: This pump sprayer features a powerful 7.4V motor upgrade that delivers stronger spraying, combined with three adjustable nozzles to meet different requirements. Whether you need a fine mist or a direct spray, this water sprayer provides precise spraying for all your lawn and garden needs.
Easy Filling and Cleaning: The garden sprayers 5 litre pressure has two wide openings that make it simple to fill water and mix solutions without causing any spills. With its translucent water tank scale, checking the remaining liquid level and replenishing it is easy. When cleaning is needed, the pump sprayer 5l is easy to disassemble and rinse, making maintenance effortless.
High-Quality Materials: Made of high-density polyethylene (HDPE) and acrylonitrile butadiene styrene (ABS), this backpack sprayer is durable enough to withstand outdoor or indoor use. Its ergonomic handle and comfortable grip make extended use effortless, while the filter head prevents clogging and guarantees long-lasting performance.
Versatile Applications: With a 5L/1.35-gallon capacity, this mist sprayer is ideal for an array of tasks, including watering plants, weeding and fertilizing lawns, spraying fertilizers or herbicides, cleaning your home or car, and sprinklers for your yard. Whether you're a seasoned gardener or a beginner, this versatile plant sprayer is a must-have tool to help you achieve superior results.

ASC - 20L Pressure Sprayer Complete Set - Knapsack, Shoulder Strap, Pump & Trigger Action - for Weed Killer, Water, Fertilisers, Pesticides, Herbicides, Multi-Purpose - 20 Litre Tank, Green

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Why We Love It

Powerful and versatile spraying capabilities.
Comfortable wear for extended use.
Simple operation with complete kit.

Main Highlights

POWERFUL 20L KILLER - Large capacity knapsack sprayer, perfect for easily tackling any outdoor job. Pump up the pressure and unleash the spray for maximum coverage.
VERSATILE SPRAYING - Our Pressure sprayer can be used with liquid plant food, weedkillers, or water. The reversible operation allows you to spray with one hand and pump with the other, so you can tackle any job with ease.
COMFORTABLE TO WEAR - Padded straps and a contoured back ensure you can wear this backpack sprayer for extended periods without feeling fatigued.
EASY OPERATION - ASC pressure sprayer is simple to use. Fill it up with your desired liquid, pump the lever a few times to build pressure, and squeeze the trigger to spray. The spray lock nozzle also makes continuous use a breeze.
COMPLETE KIT - Our pressure sprayer comes with everything you need to get started, including spare spray heads, seals, and pins. With this kit, you'll be able to tackle any outdoor job with ease. Whether you're tackling large-scale gardening projects or demanding industrial applications.

8.9

Excellent

We scanned 1860 products

We reviewed these offers relevant to the Backpack Sprayers For Weed Killer within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Roundup, SYLSTAR, Matabi, Oregon, Spear & Jackson, Faithfull, Draper, ASC, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Backpack Sprayers For Weed Killer in the market, we considered we took a deep dive into 9301 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers and Insecticides, 4 gallon. We love many things about this product by Roundup. What sets it apart from the competition is Versatile in gardening and cleaning. , Seals provide long-lasting chemical resistance. , Straps offer comfort and support.
The best value product for most shoppers and where user satisfaction is continuously the highest is SYLSTAR Battery Powered Knapsack Sprayer 12L,80PSI Pressure Spray Compatible With Makita 18V Battery,Backpack Sprayer With 5 Nozzles,39.3'' Telescopic Wand,For Garden&Lawn(Includ 2.0Ah/21V Battery) by SYLSTAR based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Backpack Sprayers For Weed Killer and the best cost-to-value ratio is SYLSTAR 12L Battery Powered Knapsack Sprayer, Electric Garden Sprayer Handle with 3 Spraying Force& Battery Indicator, Backpack Sprayers With 5 Nozzles, 41" Telescopic Wand, Weed Spray For Lawn&Gardenat SYLSTAR with a 19% discount.
Our list of the best Backpack Sprayers For Weed Killer is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Backpack Sprayers For Weed Killer in The UK

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We scanned 1860 products

We concluded that: