Best Automatic Feed System Grass Trimmers of 2026

Toby Butcher Avatar
Toby Butcher
Last Updated: 5 Feb 2026

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For those who enjoy a perfectly manicured lawn, the Automatic Feed System Grass Trimmers are an excellent tool to consider. These trimmers are designed to make lawn maintenance more efficient by automatically feeding the cutting line as needed, eliminating the need for frequent stops to adjust the line. They are also lightweight, making them easy to manoeuvre around obstacles and difficult terrain. With a range of models available, they are suitable for all types of gardens and lawns, providing a convenient and effective solution for keeping your outdoor space looking neat and tidy.

At a Glance: Our Top Picks

BLACK+DECKER 36V Cordless Grass Strimmer Cover #TOP 1
BLACK+DECKER 36V Cordless Grass Strimmer
ftb score rating icon 9.9
BLACK+DECKER Electric Strimmer with 30cm Cutting Width Cover #TOP 2
BLACK+DECKER Electric Strimmer with 30cm Cutting Width
ftb score rating icon 9.8
BLACK+DECKER 18V Cordless Grass Trimmer Cover #TOP 3
BLACK+DECKER 18V Cordless Grass Trimmer
ftb score rating icon 9.6

Top 10 Automatic Feed System Grass Trimmers

BLACK+DECKER 36V Cordless Grass Strimmer

BLACK+DECKER
BCSTA536B-XJ
Orange/Black
BLACK+DECKER 36V Cordless Grass Strimmer Cover
BLACK+DECKER Cordless Grass Strimmer 36V BATTERY NOT INCLUDED (Bare), BCSTA536B-XJ

The BLACK+DECKER Grass Strimmer offers precise cutting with its Trim & Edge feature, allowing you to effortlessly flip the head for a neat finish along borders. You’ll appreciate the edging guide wire, which ensures tidy lawn edges. The innovative AFS Automatic Line Feed System provides a hassle-free experience by automatically supplying line without interruption, saving you time. Plus, the brushless motor technology enhances power efficiency and extends runtime, making it a reliable choice for your gardening needs.

What We Like
Accurate cuts with Trim & Edge
Neat edges with guide wire
Automatic line feed system
Efficient brushless motor
Cordless convenience

BLACK+DECKER Electric Strimmer with 30cm Cutting Width

BLACK+DECKER
BESTA530-GB
Black
30 cm
BLACK+DECKER Electric Strimmer with 30cm Cutting Width Cover
BLACK+DECKER Electric Strimmer with Automatic Single Line Feed, 55W, 240V, Cutting Width 30cm,BESTA530-GB

The BLACK+DECKER Strimmer features a powerful 550W motor with E-Drive technology, ensuring you have the cutting power needed for tough garden tasks. Its 30cm cutting swath allows for fast and efficient cutting, making your trimming sessions quicker. You will also appreciate the Trim & Edge feature, which helps create neat borders and edges in your garden. Additionally, the wheel guide provides precision edging, allowing you to achieve professional-looking results with ease.

What We Like
Powerful 550W motor
30cm cutting swath
Trim & Edge feature
Precision wheel guide
Extendable telescopic pole
#TOP 3

BLACK+DECKER 18V Cordless Grass Trimmer

BLACK+DECKER
STC1820PC-GB
Orange
BLACK+DECKER 18V Cordless Grass Trimmer Cover
BLACK+DECKER POWERCONNECT Strimmer, Cordless 28cm String Grass Trimmer, STC1820PC-GB

The BLACK+DECKER Grass Trimmer offers a swift strimming experience with its 28cm cutting width, making it ideal for tackling larger areas quickly. The automatic single line feed system saves you time and effort, ensuring uninterrupted work. You can easily switch from trimming to wheeled edging mode with the improved Flip To Edge Mechanism, providing versatility for all your gardening needs. Additionally, the high torque E-Drive system allows you to power through tough, overgrown grass without clogging, making your task much easier.

What We Like
Fast cutting for large areas
Easy conversion to edging mode
Powers through tough grass
Automatic line feed system
Long-lasting lithium battery
#TOP 4

Bosch Cordless Grass Trimmer AdvancedGrassCut 36

0600878N04
36V | No Battery
Bosch Cordless Grass Trimmer AdvancedGrassCut 36 Cover
Bosch Cordless Grass Trimmer AdvancedGrassCut 36 (without battery, 36 Volt system, in carton packaging)

Features
Low Weight Relieves Strain On Your Arms During Work
Dual-Line Cutting System For High, Efficient Cut Quality
Syneon Chip – Intelligently Controlled Energy For Every Project
Semi-Automatic Line Feed For Uninterrupted Work
Items Included: AdvancedGrassCut 36, Carton Packaging
Auxiliary Handle Adjustable In Position And Angle For Comfortable Trimming In Any Position
#TOP 5

Einhell Electric Garden Strimmer, 300W Lightweight Grass Trimmer and Weed Cutter

3402049
red-black
Einhell Electric Garden Strimmer, 300W Lightweight Grass Trimmer and Weed Cutter Cover
Einhell Electric Garden Strimmer, 300W Lightweight (1.5Kg) Grass Trimmer and Weed Cutter, 230mm Cutting Width, Auto Jog Line Feed GC-ET 3023

Features
GERMAN DESIGN EXCELLENCE: Equipped With A Robust Universal Motor And An Additional Handle For Two-Hand Operation, This Trimmer Ensures Comfortable Use Without Fatigue, Crafted With High-Grade, Impact-Resistant Plastic For Durability
LIGHTWEIGHT AND EASY TO HANDLE: Weighing In At Just 1.5kg And With An Ergonomic Curved High-Impact Plastic Shaft The GC-ET 3023 Is Amazingly Lightweight And Manoeuvrable
CLEAN CUT, EASY MAINTENANCE: The Automatic Jog Line Feed System With A Single Line Ensures A Clean Cut, While The Stress-Relief Clip Protects The Power Cable, Enhancing The Trimmer's Longevity And Reliability
#TOP 6

WORX 20V Cordless Grass Trimmer and Edger

WG163E.2
Orange and Black
WORX 20V Cordless Grass Trimmer and Edger Cover
WORX 20V Cordless Grass Trimmer WG163E.2 with Fast Charger, 1 x 2.0Ah Battery, PowerShare, 2-in-1 Grass Trimmer/Edger, 90° Head pivots, Command Feed System

The WORX 20V Trimmer offers versatility by easily converting from a string trimmer to a wheel edger in seconds, ensuring you achieve straighter lines and cleaner cuts. Its innovative Command Feed system allows for instant line feeding, so you won't be interrupted during your work. The 90º pivoting head is ideal for tackling various terrains, including slopes and tight spots. Plus, with WORX PowerShare, you can use the same battery across multiple 20V and 40V tools, adding convenience to your gardening tasks.

What We Like
2-in-1 trimmer and edger
Instant line feeding system
90º pivoting head
Compatible with other WORX tools

WORX WG163E.1 20V Cordless Grass Trimmer

WG163E.1
Black
WORX WG163E.1 20V Cordless Grass Trimmer Cover
WORX WG163E.1 20V 30cm Cordless Line Trimmer with One Battery and Charger - Lightweight Grass Trimmer with Instant Conversion to Wheeled Edger, CommandFeed Technology, and PowerShare System

The WORX WG163E.1 Trimmer is designed to enhance your gardening experience with its innovative features. The CommandFeed technology allows you to extend the line effortlessly with just a button press, making trimming tasks smoother. Its versatility means you can switch from a trimmer to a wheeled edger in seconds, perfect for maintaining tidy edges. The ergonomic design ensures comfort during use, as the adjustable cutting head pivots for easy access under furniture. Plus, being part of the WORX PowerShare system, you can use the same battery across multiple tools for added convenience.

What We Like
Easy line extension
Two tools in one
Comfortable, adjustable design
Battery compatibility with other tools
Lightweight and powerful
#TOP 8

BLACK+DECKER 36V Cordless Grass Strimmer

BLACK+DECKER
BCSTA5362L1-GB
Orange
BLACK+DECKER 36V Cordless Grass Strimmer Cover
BLACK+DECKER Cordless Grass Strimmer 36V 33cm 2Ah AFS BCSTA5362L1-GB

The BLACK+DECKER Grass Strimmer offers cordless convenience with its 36V battery, allowing you to work without the hassle of a power cord. Its brushless motor technology enhances power efficiency, giving you longer runtime for your gardening tasks. You can save time with the innovative AFS Automatic Line Feed System, which automatically feeds line as needed, so you can focus on trimming rather than stopping to adjust. The Trim & Edge feature ensures precise cuts, making it easy to maintain tidy borders and edges around your garden.

What We Like
Long-lasting cordless operation
Efficient brushless motor
Automatic line feeding
Precise trimming and edging

Bosch AdvancedGrassCut 36 Cordless Trimmer

0600878N71
36V | 1 Battery
Bosch AdvancedGrassCut 36 Cordless Trimmer Cover
Bosch Cordless Grass Trimmer AdvancedGrassCut 36 (1 x 36 volt battery, Cutting diameter: 30 cm, Weight: 3.1 kg, in carton packaging)

The Bosch AdvancedGrassCut Trimmer is designed to make your gardening tasks easier and more efficient. Its dual-line cutting system ensures a high-quality cut, allowing you to maintain a neat garden with minimal effort. Weighing in at a low weight, it significantly reduces strain on your arms during use, making longer trimming sessions comfortable. The semi-automatic line feed feature means you can work without interruptions, enhancing your productivity. With the intelligent Syneon Chip, you will benefit from optimised energy control, ensuring you have the power you need for every project.

What We Like
Efficient dual-line cutting
Lightweight for comfortable use
Semi-automatic line feed
Intelligent energy control
Adjustable auxiliary handle
#TOP 10

WORX WG183E.9 36V Dual Battery Grass Trimmer

WG183E.9
Multicolor
WORX WG183E.9 36V Dual Battery Grass Trimmer Cover
WORX WG183E.9 36V (40V MAX) Dual Battery Cordless 33cm Grass Trimmer Strimmer Line Strimmers Edge Cutter - (Tool only - Battery & Charger Sold Separately) Multicolor

The WORX WG183E.9 Grass Trimmer is designed to make your gardening tasks easier. Its ultra-lightweight and streamlined design ensures you can manoeuvre effortlessly, reducing fatigue during use. The dual line automatic-feed spool system automatically feeds the cutting line, saving you time and effort. With a quick, adjustable auxiliary handle, you can customise the grip to suit your comfort, allowing for precision trimming. Additionally, the on-board battery indicator lets you monitor battery levels, so you won't run out of power unexpectedly.

What We Like
Lightweight for easy handling
Automatic line feed system
Adjustable handle for comfort
Battery level indicator
Buying Guide Image

Frequently Asked Questions (FAQs)

1. How does the auto feed work on a string trimmer?

With an auto feed system, the trimmer will release more line whenever it starts to run short, based on an advanced internal system. The majority of models will have some kind of component that gauges the current length of the line and then releases more by taking advantage of the spinning taking place with the head.

2. What is an automatic feed trimmer?

Article Content. The Automatic Feed Spool (AFS) is the technologically advanced line feed system found on Black & Decker string trimmer products. Using centrifugal force, the system monitors the amount of line being used and feeds more line automatically as the cutting line shortens.

3. Is bump feed or auto feed better?

The bump-feed system offers the user the freedom to get more to cut with whenever he wants, which can be done on the fly. The automatic-feeding system draws out more line only when it reaches a certain shortness. ... If you need lots of line, then the bump-feed system will offer the best advantages.

4. How does flymo auto feed work?

The autofeed is a cleaver device that enables the machine to discharge a small length of line when the motor is turned on by means of a counterweight rotating, like a centrifuge. This enables the toothed spool to racthet round 1 tooth just as you would by pressing the manual feed.

Editor's Notes

During our automatic feed system grass trimmer research, we found 42 automatic feed system grass trimmer products and shortlisted 10 quality products. We collected and analyzed 55,671 customer reviews through our big data system to write the automatic feed system grass trimmers list. We found that most customers choose automatic feed system grass trimmers with an average price of £105.84.

The automatic feed system grass trimmers are available for purchase. We have researched hundreds of brands and picked the top brands of automatic feed system grass trimmers, including BLACK+DECKER, Bosch, Einhell, WORX.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.