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BLACK+DECKER 20V MAX* String Trimmer / Edger, 12-Inch (LST300)

4.5 out of 5 stars 4,809 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in String Trimmers by BLACK+DECKER

-11% $79.00
List Price: $89.00
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20V String Trimmer Kit

Enhance your purchase

Brand BLACK+DECKER
Power Source Battery Powered
Color White
Item Dimensions LxWxH 8.5 x 4.8 x 36.3 inches
Item Weight 5.7 Pounds

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • 2-in-1 cordless trimmer and edger cuts along borders, sidewalks and flower beds and easily converts between trimmer and wheeled edger.
  • EASY HANDLING: Lightweight and easy to handle with adjustable height handles
  • MORE LINE, MORE CONTROL: Automatically feeds more line with no bumping necessary thanks to automatic spool feed technology
  • HIGH POWER, LOW NOISE: Powerdrive transmission delivers more power from the motor to the cutting string so you can get the job done faster
  • ONE BATTERY, ENDLESS USES: Part of the BLACK plus DECKER 20v Max Power connect System for easy battery switching between tools and tasks.
  • One 20v Lithium battery pack for 33 percent more run time
  • Runtime extension technology for long run time

Customer ratings by feature

Light weight
4.6 4.6
Maneuverability
4.6 4.6
Battery life
3.9 3.9
New (24) from $79.00 & FREE Shipping.

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Buy it with

  • BLACK+DECKER 20V MAX* String Trimmer / Edger, 12-Inch (LST300)
  • +
  • BLACK+DECKER Trimmer Line, 30-Foot, 0.065-Inch, 3-Pack (AF1003ZP)
  • +
  • AF-100 Spool Replace AF100 AF-100-3ZP AF-100-BKP Compatible with GH900 GH600 GH610 String Trimmer 30ft 0.065" Trimmer Line Re
Total price:
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What's in the box

  • Included Components: LST300 20V MAX* Cordless Trimmer/Edger, (1) LBXR2020 20V MAX* lithium ion battery, (1) Charger, (1) AF-100 Spool, (1) Guard

  • From the manufacturer

    BLACK+DECKER 20V MAX 12-Inch Cordless String Trimmer (LST300)

    BLACK+DECKER 20V MAX 12-Inch Cordless String Trimmer

    Cordless, battery-powered string trimmer/edger converts easily between trimmer and wheeled edger functions.

    No Cord. No Gas. No Hassle.
    One Compatible Battery System

    Powered by the BLACK+DECKER 20V MAX* Powerconnect Lithium-Ion battery system, so you can swap seamlessly between your 20V MAX* Powerconnect tools.

    Compare with similar items


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    BLACK+DECKER 20V MAX* POWERCONNECT 10 in. 2in1 Cordless String Trimmer/Edger + Sweeper Combo Kit (LCC222)
    BLACK+DECKER 40V MAX String Trimmer, 13-Inch, Tool Only (LST136B)
    Customer Rating 4.5 out of 5 stars (4809) 4.5 out of 5 stars (10299) 4.4 out of 5 stars (2677) 4.5 out of 5 stars (3952) 4.3 out of 5 stars (8488) 4.6 out of 5 stars (1853)
    Price $79.00 $47.69 $84.99 $49.00 $119.00 $76.99
    Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
    Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
    Cutting Width 12 inches 14.0 inches 1000 inches 13.0 inches 1000 inches 1300 inches
    Item Dimensions 8.5 x 4.8 x 36.3 inches 8.5 x 4.88 x 37.6 inches 11 x 42.3 x 5 inches 8 x 36 x 4 inches 42 x 10.4 x 7.25 inches 9.6 x 43.8 x 4.4 inches
    Item Weight 5.70 lbs 4.50 lbs 5.35 lbs
    Power Source Battery Powered Corded Electric Battery Powered Corded Electric Battery Powered Battery Powered
    Size 12-in. 14-in. 10" 13 Inches 10"
    Voltage 20 volts 120.00 volts 20 20 40.00 volts

    Product Description

    Twice the tool in one easy package. The BLACK+DECKER 20v Max Power connect 12-Inch String Trimmer/Edger makes cutting back overgrowth, grass, and weeds simple. Easily switch between trimmer to wheeled edger and take control of your lawn, backyard, or sidewalk thanks to adjustable height and handles with premium micro texture grips. PowerDrive Transmission puts more power in your hands with increased torque and cutting power at the string. Automatic spool feed technology automatically feeds more line when you need it with no bumping necessary. Because it’s part of the 20v Max Power connect System, you can easily swap the battery between all of your BLACK+DECKER 20v Max Power connect tools. Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.

    Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here. [PDF ]

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    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    4,809 global ratings

    Top reviews from the United States

    Reviewed in the United States on February 7, 2017
    Style: 20V String Trimmer KitVerified Purchase
    465 people found this helpful
    Report abuse
    Reviewed in the United States on March 15, 2017
    Style: 20V String Trimmer KitVerified Purchase
    112 people found this helpful
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    Reviewed in the United States on August 11, 2017
    Style: 20V String Trimmer KitVerified Purchase
    67 people found this helpful
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    Reviewed in the United States on July 1, 2018
    Style: 20V String Trimmer KitVerified Purchase
    129 people found this helpful
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    Reviewed in the United States on September 23, 2018
    Style: 20V String Trimmer KitVerified Purchase
    22 people found this helpful
    Report abuse
    Reviewed in the United States on May 10, 2018
    Style: 20V String Trimmer KitVerified Purchase
    81 people found this helpful
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    Reviewed in the United States on April 21, 2019
    Style: 20V String Trimmer KitVerified Purchase
    Customer image
    5.0 out of 5 stars Mows through weeds like a vietnam vet
    Reviewed in the United States on April 21, 2019
    I was skeptical of the battery powered whacker, but this thing tore through the jungle in my backyard like Lieutenant Dan while he still had his legs.
    Images in this review
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    26 people found this helpful
    Report abuse

    Top reviews from other countries

    jcsthree
    4.0 out of 5 stars Medium duty
    Reviewed in Canada on May 30, 2019
    Style: 20V String Trimmer KitVerified Purchase
    7 people found this helpful
    Report abuse
    Ted Walker
    5.0 out of 5 stars Excellent Weed Wacker
    Reviewed in Canada on July 24, 2020
    Style: 20V String Trimmer KitVerified Purchase
    3 people found this helpful
    Report abuse
    Andrew D
    5.0 out of 5 stars Great tool worth money
    Reviewed in Canada on July 7, 2018
    Style: 20V String Trimmer KitVerified Purchase
    3 people found this helpful
    Report abuse
    KatyR
    3.0 out of 5 stars Nice and light little tool
    Reviewed in India on March 21, 2017
    Style: 20V String Trimmer KitVerified Purchase
    11 people found this helpful
    Report abuse
    myra69
    5.0 out of 5 stars Perfect for my garden
    Reviewed in Canada on May 19, 2021
    Style: 20V String Trimmer KitVerified Purchase