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BLACK+DECKER LST522 20V String Trimmer vs Greenworks 40V 2-in-1 Trimmer Edger

Buy the BLACK+DECKER LST522 if you want a complete, ready-to-run trimmer with a battery, charger, two speeds and a wheeled edging mode. Buy the Greenworks 40V Gen 2 if you already own Greenworks 40V batteries and want a wider 13-inch cut, a straight shaft and a longer 60-minute run time. The BLACK+DECKER is the more convenient first purchase; the Greenworks is the stronger tool once you are inside its battery system. Owners praise the BLACK+DECKER's light weight and easy line feed but note its plastic build and modest power.

  • Choose the BLACK+DECKER LST522 if you want a battery and charger in the box, two speeds for run time control, and a trimmer that converts to a wheeled edger.
  • Choose the Greenworks 40V Gen 2 if you already have Greenworks 40V batteries and want a wider cut, a straight shaft and longer run time per charge.

Prices

  • BLACK+DECKER LST522 20V String Trimmer: $99.00 at Ace Hardware (checked today)
  • Greenworks 40V 2-in-1 Trimmer Edger: $106.87 at eBay (last seen Nov 9)
  • Difference: the BLACK+DECKER LST522 20V String Trimmer is $7.87 cheaper than the Greenworks 40V 2-in-1 Trimmer Edger at the latest prices (Nov 9 and Nov 10)
BLACK+DECKER
BLACK+DECKER 20V MAX 2 Speed String Trimmer/Edger LST522

BLACK+DECKER LST522 20V String Trimmer

BLACK+DECKER 20V MAX 2 Speed String Trimmer/Edger LST522

4.1(215 ratings)
$99.00at Ace HardwareChecked 10 h ago
See all prices and details
Visit Ace Hardware

Store links may earn us a commission. Price via Klarna.

Pros
  • Battery and charger included, so it runs out of the box
  • Light and easy to handle for small yards
  • Two speeds trade power for run time
  • Automatic feed spool ends bumping
  • Adjustable height and soft-grip handle suit different users
Cons
  • 12-inch cut is narrow for large lawns
  • 20V power struggles in thick overgrowth
  • Plastic build feels less durable than straight-shaft rivals
  • Only one battery included
Greenworks
Greenworks 40V Cordless 2-in-1 Trimmer Edger (Gen 2)

Greenworks 40V 2-in-1 Trimmer Edger

Greenworks 40V Cordless 2-in-1 Trimmer Edger (Gen 2)

$106.87at eBayChecked Nov 9
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • 40V motor handles thicker grass and weeds
  • 13-inch cut covers ground faster
  • Up to 60 minutes of run time per charge
  • Straight shaft reaches under shrubs and along fences
  • Shares batteries with other Greenworks 40V tools
Cons
  • Tool only: battery and charger sold separately
  • Heavier and harder to swing than the BLACK+DECKER
  • Costs more once you add a battery and charger
  • No battery means no run time until you buy into the system

What separates them

BLACK+DECKER LST522 20V String TrimmerGreenworks 40V 2-in-1 Trimmer Edger
Battery and charger in the boxIncludes one 2.5 Ah 20V battery and a chargerTool only; no battery or charger included
Voltage and power20V system, 45 Wh of stored energy40V system, more torque for thick growth
Cutting width12 in.13 in.
ShaftCurved shaft with adjustable height and handleStraight shaft, 52 in.
Run timeTwo speeds; low speed stretches run time while edgingRated up to 60 minutes per charge
Line feedAutomatic feed spool, no bumpingAutomatic line advance
EdgingConverts to a wheeled edger2-in-1 trimmer and edger
WeightAbout 5.7 lb listed, 7.75 lb with batteryStraight-shaft design, heavier with a 40V battery

Price history

$106.87$99.00
Nov 9Nov 10
  • BLACK+DECKER LST522 20V String Trimmer: lowest $99.00 on Nov 9 at The Home Depot; $99.00 on Nov 10.
  • Greenworks 40V 2-in-1 Trimmer Edger: lowest $106.87 on Nov 9 at eBay.

Prices at every store

BLACK+DECKER LST522 20V String Trimmer

  • The Home DepotNew

    In stock

    $99.00Free shippingChecked 10 h ago
    Visit The Home Depot
  • Ace HardwareNew

    In stock

    $99.00Free shippingChecked 10 h ago
    Visit Ace Hardware
  • eBayNew

    In stockSold by 1stoptoolshop (99.7% positive, 34,055 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $99.00Free shippingChecked Nov 9
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $99.00Free shippingChecked Nov 9
    Visit Amazon

Store links may earn us a commission. Some prices via Klarna.

All 6 stores and price history →

Greenworks 40V 2-in-1 Trimmer Edger

  • eBayNew

    In stock

    $106.87Free shippingChecked Nov 9
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $109.89Free shippingChecked Nov 9
    Visit Amazon

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission.

All 2 stores and price history →

Specs compared

SpecBLACK+DECKER LST522 20V String TrimmerGreenworks 40V 2-in-1 Trimmer Edger
Battery Type20V MAX* Lithium IonLithium Ion
Battery Amp Hours2.5 AhNo Battery
Charger IncludedYesCharger Not Included
Voltage20 V—
Batteries Included1—
Cutting Width12 in.—
Speed Settings2—
Height41.1 IN—
Length9.1 IN—
Width5.7 IN—
Weight5.7 LB—
Watt Hours45—
Show all 38 specsShow fewer specs
SpecBLACK+DECKER LST522 20V String TrimmerGreenworks 40V 2-in-1 Trimmer Edger
Power SourceBattery, Rechargeable Battery—
Shaft Length (")46.5—
Battery Capacity (Ah)2.5—
Working Width (")12.0—
Voltage (V)20.0—
FeaturesAnti-Vibration Handle, Electric Start—
AttachmentGrass Trimmer—
No. of Batteries (pcs)1—
Weight (lb)7.75—
Battery Voltage (V)

What reviewers say

BLACK+DECKER LST522 20V String Trimmer

  • 4.1 / 5215 ratings

Rated about 4.1 out of 5 by 215 owners. Most praise the light weight, easy starting and the automatic feed, and many use it for routine trimming and edging. Complaints center on runtime, the narrow cut and the edging setup.

What people mention
  • WeightPraisedOwners say it is light enough to carry one-handed along fences and beds.
  • Auto feedPraisedThe automatic spool feeds line without bumping, which owners find convenient.
  • Battery lifeCriticisedReviewers report the 2.5 Ah pack runs down fast on the high setting.
  • Cutting widthMixedThe 12-inch swath is fine for small yards but needs more passes on larger lawns.

Greenworks 40V 2-in-1 Trimmer Edger

Owners of the Greenworks 40V line generally treat this trimmer as a solid, convenient second tool, valuing the trimmer-to-edger switch and the quiet, fume-free running. Complaints center on the narrow cut, light line and the fact that it arrives without a battery.

What people mention
  • 2-in-1 functionPraisedOwners like switching the head to edge along driveways and beds without a second tool.
  • Cutting widthCriticisedThe 13-inch path means more passes on large lawns than wider trimmers need.
  • Line feedMixedAutomatic advance is convenient, but the thin 0.065-inch line wears fast in heavy growth.
  • Battery platformPraisedIt runs on the same 40V packs as other Greenworks tools, which owners already own.

Questions and answers

Which is better for a small yard?
The BLACK+DECKER. It is lighter, includes everything you need, and its 12-inch cut is fine for small lawns and edging along a walk.
Which handles thick weeds better?
The Greenworks. Its 40V motor and 13-inch cut clear heavier growth that will slow the 20V BLACK+DECKER.
Which lasts longer on one charge?
The Greenworks is rated up to 60 minutes per charge. The BLACK+DECKER's run time depends on speed; low speed while edging stretches its 2.5 Ah battery.
Is the Greenworks worth stepping up to?
Yes if you already own Greenworks 40V batteries or have a large yard. If you own neither, the BLACK+DECKER is the simpler first buy because it includes the battery and charger.
Do both feed line automatically?
Yes. Both use automatic line advance, so you do not bump the head on the ground.
Can both edge along a driveway?
Yes. The BLACK+DECKER converts to a wheeled edger, and the Greenworks is a 2-in-1 trimmer and edger.

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More comparisons

  • Worx 20V PowerShare String Trimmer vs BLACK+DECKER 20V MAX 2 Speed String Trimmer/Edger LST522
  • Worx 20V PowerShare String Trimmer vs Greenworks 40V Cordless 2-in-1 Trimmer Edger (Gen 2)
—
40V
Maximum Cutting Path Diameter (In)—13 in
Line Advance System—Automatic
Head Type—Wind with Assembly
Battery / Charger—Tool Only
Power Type—Battery
Line Style Size—.065
Outdoor Power Combo—No Additional Tools
Battery Included—No
Shaft Type—Straight Shaft
Trimmer Type—Handheld String Trimmers
Battery Run Time (Min)—60
Shaft Length (In)—52 in
Trimmer Line Type—String
Tools Included—No Additional Tool
Recommended Line Diameter (In)—.065 in
Start Type—Electric