Updated November 2026

Shopping for a black and decker lawn trimmer edger means balancing a few practical questions: how big your lawn is, whether you want a corded or cordless tool, how much you plan to combine trimming with edging, and whether you need an add-on like a mower. This list compares seven current Black+Decker models so you can match a tool to your yard. Our selection method looked at published specifications, brand reputation for this product line, and recurring patterns in owner feedback, with attention to battery platform, shaft design, cutting width and how well each model suits edging versus general trimming.

Our top picks at a glance

  1. 1BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1TOP CHOICEBest overallBLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1View on Amazon
  2. 2BLACK+DECKER Weed Eater, Lawn Edger and Cordless Lawn Mower 3 in 1 ComboTOP CHOICEBest for multi-tool yard workBLACK+DECKER Weed Eater, Lawn Edger and Cordless Lawn Mower 3 in 1 ComboView on Amazon
  3. 3BLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn EdgerTOP CHOICEBest budget pickBLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn EdgerView on Amazon
  4. 4BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Adjustable Telescoping PoleBest for larger lawnsBLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Adjustable Telescoping PoleView on Amazon
  5. 5BLACK+DECKER 40V MAX Cordless String Trimmer and EdgerBest for tall-grass reachBLACK+DECKER 40V MAX Cordless String Trimmer and EdgerView on Amazon
  6. 6BLACK+DECKER 20V MAX POWERCONNECT Cordless 10 Inch String Trimmer and Edger KitBest for light edging jobsBLACK+DECKER 20V MAX POWERCONNECT Cordless 10 Inch String Trimmer and Edger KitView on Amazon
  7. 7BLACK+DECKER 20V MAX EASYFEED Cordless String Trimmer and EdgerBest for easy line feedingBLACK+DECKER 20V MAX EASYFEED Cordless String Trimmer and EdgerView on Amazon

Our Top Picks

Quick Comparison

Product Best for Key feature
BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1 (LST300) Overall balance of trimming and edging Auto spool feed and reduced vibration
BLACK+DECKER 3 in 1 Combo with Lawn Mower (MTC220) Owners who want several yard tools in one kit Trimmer, edger and mower with two batteries
BLACK+DECKER Weed Wacker with Auto Feed (BESTA510) Corded, lower-cost edging 6.5-amp motor with auto line feed
BLACK+DECKER 40V MAX 13 in String Trimmer Edger (LST136) Larger lawns and longer runs Adjustable telescoping pole
BLACK+DECKER 40V MAX Cordless String Trimmer and Edger Thick grass and fence lines 40V MAX battery platform
BLACK+DECKER 20V MAX POWERCONNECT Trimmer and Edger Kit Small yards and tight edges 10-inch cutting width
BLACK+DECKER 20V MAX EASYFEED Trimmer and Edger Frequent line changes EASYFEED line advance with 2.5 Ah battery

BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1

BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12 Inch Steel Deck, Reduced Vibration (LST300)

BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12 Inch Steel Deck, Reduced Vibration (LST300)

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Best for: Overall balance of trimming and edging

This is a good fit for homeowners with small to medium lawns who want one cordless tool that switches between string trimming and edging. It suits people who prefer a lighter tool and do not need a mower attachment.

Key specs

  • 20V MAX cordless battery platform
  • 2-in-1 string trimmer and edger design
  • 12-inch steel deck
  • Automatic spool feed
  • Battery and charger included

Pros

  • Auto spool feed reduces time spent stopping to reload line
  • Reduced vibration is noticeable for longer sessions, according to many owners
  • Battery and charger included, so it is ready to use out of the box

Cons

  • Runtime is modest on thick, wet grass
  • Not designed to replace a dedicated walk-behind edger on large borders

Bottom line: A strong default choice for a typical suburban yard that needs both trimming and edging with minimal setup.

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BLACK+DECKER Weed Eater, Lawn Edger and Cordless Lawn Mower 3 in 1 Combo

BLACK+DECKER Weed Eater, Lawn Edger and Cordless Lawn Mower 3 in 1 Combo, Includes (2) Batteries, Charger, 12 Inch Battery Powered String Trimmer and Lawnmower, Adjustable Length and Height (MTC220)

BLACK+DECKER Weed Eater, Lawn Edger and Cordless Lawn Mower 3 in 1 Combo, Includes (2) Batteries, Charger, 12 Inch Battery Powered String Trimmer and Lawnmower, Adjustable Length and Height (MTC220)

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Best for: Multi-tool yard work

This kit is aimed at people who want a trimmer, edger and light mower in one package. It works well for small yards where a full-size mower is more than the job requires.

Key specs

  • 3-in-1 combo: string trimmer, lawn edger and cordless mower
  • Includes two batteries and a charger
  • 12-inch cutting width
  • Adjustable length and height settings

Pros

  • Shared batteries across the three functions simplify charging
  • Covers several tasks without buying separate tools
  • Adjustable settings help match cut height to the job

Cons

  • Mower capacity suits small lawns, not large properties
  • Combining three tools means compromises in power for each function

Bottom line: Best for homeowners with a small lawn who want one kit for trimming, edging and light mowing.

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BLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn Edger

BLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn Edger, Powerful 6.5-Amp Lightweight Electric Weed Eater (BESTA510)

BLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn Edger, Powerful 6.5-Amp Lightweight Electric Weed Eater (BESTA510)

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Best for: Corded, lower-cost edging

A corded option suits people with a nearby outlet and no need for cordless freedom. It is a practical pick for edging along walks and beds in a yard of modest size.

Key specs

  • 6.5-amp electric motor
  • 14-inch cutting width
  • 2-in-1 trimmer and edger
  • Automatic line feed

Pros

  • No battery to charge or replace
  • Lightweight design for extended edging work
  • Auto feed keeps line length consistent

Cons

  • Cord management adds hassle on larger properties
  • Limited to areas within cord reach

Bottom line: A sensible budget-minded choice for a compact, outlet-accessible yard.

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BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Adjustable Telescoping Pole

BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Adjustable Telescoping Pole, 2 in 1 Weed Wacker Lawn Edger, Includes Battery and Charger (LST136)

BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Adjustable Telescoping Pole, 2 in 1 Weed Wacker Lawn Edger, Includes Battery and Charger (LST136)

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Best for: Larger lawns and longer runs

The telescoping pole and 40V platform make this a better match for bigger properties and tall fence lines than the 20V models. It suits users who spend longer periods on the tool.

Key specs

  • 40V MAX cordless platform
  • 13-inch cutting width
  • Adjustable telescoping pole
  • Battery and charger included

Pros

  • Telescoping shaft adjusts reach for edging and trimming
  • 40V platform generally offers more run time than 20V on the same task
  • Wider cutting path covers ground faster

Cons

  • Heavier than the 20V models, which can tire some users
  • Higher battery voltage means a larger tool footprint in storage

Bottom line: Best for owners of medium to large yards who want more power and reach from a cordless tool.

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BLACK+DECKER 40V MAX Cordless String Trimmer and Edger

40V MAX* Cordless String Trimmer and Edger, Battery and Charger Included

40V MAX* Cordless String Trimmer and Edger, Battery and Charger Included

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Best for: Thick grass and fence lines

This 40V model suits people who regularly deal with dense growth along fences and foundations. The higher-voltage platform gives more headroom on tougher material.

Key specs

  • 40V MAX cordless platform
  • String trimmer and edger in one tool
  • Battery and charger included

Pros

  • Handles denser growth better than 20V models in most owner reports
  • Battery shares the 40V platform with other compatible tools
  • Clean switch between trimming and edging

Cons

  • Heavier than lighter 20V options
  • Specific cutting width should be confirmed on the listing before buying

Bottom line: A good pick for demanding trimming jobs and owners already invested in the 40V battery system.

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BLACK+DECKER 20V MAX POWERCONNECT Cordless 10 Inch String Trimmer and Edger Kit

20V MAX* POWERCONNECT™ Cordless 10 Inch String Trimmer and Edger Kit, Battery and Charger Included

20V MAX* POWERCONNECT™ Cordless 10 Inch String Trimmer and Edger Kit, Battery and Charger Included

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Best for: Light edging on small yards

The 10-inch cutting width and compact build make this kit a good fit for narrow beds, sidewalks and small lawns where precision matters more than speed.

Key specs

  • 20V MAX cordless platform
  • 10-inch cutting width
  • String trimmer and edger kit
  • Battery and charger included

Pros

  • Light weight suits extended edging passes
  • Compact width helps with tight curbs and bed lines
  • Battery and charger included in the kit

Cons

  • Narrower cutting width means more passes on larger areas
  • Not the right tool for dense or tall growth

Bottom line: Ideal for small, detail-focused edging work rather than large lawns.

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BLACK+DECKER 20V MAX EASYFEED Cordless String Trimmer and Edger

20V MAX* EASYFEED™ Cordless String Trimmer and Edger, 2.5 Amp Hour Battery and Charger Included

20V MAX* EASYFEED™ Cordless String Trimmer and Edger, 2.5 Amp Hour Battery and Charger Included

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Best for: Frequent line changes

The EASYFEED design targets one of the most common frustrations with string trimmers: stopping to advance line. It suits owners who edge often and want less interruption.

Key specs

  • 20V MAX cordless platform
  • 2.5 Ah battery
  • EASYFEED line advance system
  • Charger included

Pros

  • Line advance reduces downtime during edging
  • 2.5 Ah battery offers a useful balance of runtime and weight
  • Good match for regular, routine maintenance

Cons

  • Line feed systems vary in reliability; keep spare line on hand
  • Runtime on heavy jobs will be shorter than larger-capacity batteries

Bottom line: A practical choice for regular edging where line changes are a nuisance.

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Buying Guide

Corded vs. Cordless Power

Corded models give you steady power with no battery to manage, but you are limited by cord reach. Cordless models offer freedom to move around the property and avoid tripping hazards. Consider your outlet locations and yard size first.

Good picks for this: BLACK+DECKER Weed Wacker with Auto Feed, BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1

Battery Platform and Runtime

A 20V or 40V platform determines how many batteries you can share across tools. Higher voltage generally supports longer run times and heavier work, but adds weight. Check whether you already own compatible batteries.

Good picks for this: BLACK+DECKER 40V MAX 13 in String Trimmer Edger, BLACK+DECKER 40V MAX Cordless String Trimmer and Edger

Cutting Width and Reach

Wider cutting widths cover ground faster but can be harder to control along tight edges. Narrower widths suit detail work. An adjustable telescoping shaft helps you reach fence lines and curbs without bending.

Good picks for this: BLACK+DECKER 40V MAX 13 in String Trimmer Edger, BLACK+DECKER 20V MAX POWERCONNECT Trimmer and Edger Kit

Line Feed System

Automatic or semi-automatic line feed saves time compared with manual line advancing. Consider how often you expect to edge and whether you want to stop to reload.

Good picks for this: BLACK+DECKER 20V MAX EASYFEED Cordless String Trimmer and Edger, BLACK+DECKER Weed Wacker with Auto Feed

Weight and Balance

Edging involves holding the tool in awkward positions for long stretches. A lighter tool reduces fatigue, while a well-balanced shaft reduces strain on your wrists and shoulders. Test the grip in person if possible.

Good picks for this: BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, BLACK+DECKER 20V MAX POWERCONNECT Trimmer and Edger Kit

Whole-Yard Versatility

If you want one purchase to cover trimming, edging and light mowing, a combo kit can make sense. Be realistic about the limits of each function when the tool is shared.

Good picks for this: BLACK+DECKER Weed Eater, Lawn Edger and Cordless Lawn Mower 3 in 1 Combo

Maintenance and Care

Keep the cutting head clean, store batteries at moderate temperatures and replace worn line before it frays. Clear debris from vents and the shaft after each use. Follow the manufacturer’s instructions for battery storage and charging.

Good picks for this: BLACK+DECKER 20V MAX EASYFEED Cordless String Trimmer and Edger, BLACK+DECKER 40V MAX Cordless String Trimmer and Edger

FAQ

Can a black and decker lawn trimmer edger replace a dedicated walk-behind edger?

For small to medium edges along walks and beds, a trimmer-edger does a good job. For long, deep borders or heavy-duty edging, a dedicated walk-behind edger is usually faster and more consistent.

Which battery platform is better, 20V or 40V?

Neither is universally better. The 40V platform generally offers more power and runtime for demanding work, while 20V tools are lighter and often sufficient for typical lawn edging. Choose based on yard size and whether you already own batteries.

How do I change the line on an auto-feed trimmer?

Most auto-feed models advance line when you tap the head on the ground while the motor runs. Always disconnect the battery or unplug the tool before servicing the spool, and follow the manual for your exact model.

Is a corded model enough for a typical yard?

Yes, if your outlets reach the entire edging area. A 14-inch corded model can handle most residential edges, but extension cords add setup time and trip risk.

What should I look for to reduce vibration?

Look for listings that mention reduced vibration or anti-vibration design. Owners often report that a lighter tool with a well-balanced shaft feels less tiring over long sessions.

Does a combo kit save money over buying separate tools?

It can, particularly if the included batteries and charger cover the functions you need. Confirm what is included in the listing before deciding.

How should I safely use a trimmer-edger near edges and walls?

Wear eye protection and sturdy shoes, keep bystanders and pets away, and avoid cutting near hard objects that can throw debris. Consult the manufacturer’s safety instructions and a qualified professional if you have questions about safe operation.

Conclusion

For most homeowners, the BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1 offers a balanced mix of trimming, edging and convenience. Choose the 3 in 1 combo if you want a mower too, the corded Weed Wacker if you have outlets nearby, and the 40V models for larger lawns and tougher growth. The EASYFEED and POWERCONNECT kits suit regular edging and tight detail work respectively. Match the battery platform, cutting width and weight to your yard, and you will end up with the right black and decker lawn trimmer edger for your property.

Sources

Lauren Holland

About Lauren Holland

Lauren Holland is part of our editorial team and reviews and edits our lawn edging & trimming guides, checking product details against manufacturer specifications and owner feedback.