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BLACK+DECKER 20V MAX String Trimmer, 2-Speed, 12-Inch, Cordless (LST522)

4.6 out of 5 stars 3,381 ratings

-17% $82.65
List Price: $99.00
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Style: 20V String Trimmer Kit
20V String Trimmer Kit
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Enhance your purchase

Brand BLACK+DECKER
Power Source Battery Powered
Color Black
Item Dimensions LxWxH 9.25 x 41.33 x 5.74 inches
Item Weight 5.7 Pounds

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • Automatic Feed Spool (AFS) feeds edger/ trimmer line as needed - without bumping.
  • LBXR2520 battery provides cordless grass trimmer 66% more battery capacity for longer runtime compared to LBXR20
  • 2-speed control lets you boost power or extend runtime of the lawn trimmer.
  • PowerDrive Transmission increases torque for more cutting power at the string.
  • Easily converts from trimmer to wheeled edger.
  • Adjustable height and handle with premium soft grip improves comfort and control.
  • Part of the 20V MAX System - 1 System. Endless Tasks. Power for your Style.
  • Maximum initial battery voltage (measured without a workload) is 20. Nominal voltage is 18V.

Customer ratings by feature

Light weight
4.6 4.6
Maneuverability
4.5 4.5
Battery life
4.2 4.2
New (9) from $82.65 & FREE Shipping.

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Buy it with

  • BLACK+DECKER 20V MAX String Trimmer, 2-Speed, 12-Inch, Cordless (LST522)
  • +
  • BLACK+DECKER Trimmer Line, 30-Foot, 0.065-Inch, 3-Pack (AF1003ZP)
  • +
  • Generep Weed Eater String Trimmer Line for Black and Decker Trimmer/Edger, AF-100, 6 Spools & 1 Cap
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What's in the box

  • (1) LST522 20V MAX* Cordless Trimmer/Edger, (1) LBXR2520 20V MAX* Extended Runtime Lithium Battery, (1) Charger, (1) AFS Spool, (1) Guard.

  • From the manufacturer

    BLACK+DECKER 20V MAX* 12 in. Cordless String Trimmer/Edger with POWERDRIVE (LST522)

    BLACK+DECKER 20V MAX* 12 in. Cordless String Trimmer/Edger  with POWERDRIVE (LST522)

    Designed with your convenience in mind, this cordless string trimmer easily converts into an edger, while the AFS AUTOMATIC FEED SPOOL lets you keep working without bumping. With a 2-speed control function, you can adjust the power output to suit the task, and the POWERDRIVE transmission enhances the string power and cutting action, even when faced with tough-to-manage weeds and grasses.

    Long-lasting battery power

    Long-lasting battery power

    LBXR2520 20V MAX* lithium ion battery provides 66% more battery capacity for an extended runtime (compared to LBXR20).

    20V MAX* POWERCONNECT Battery System - Interchangeable Cordless Battery

    20V MAX* PowerConnect Battery System - Interchangeable Cordless Battery

    The 20V MAX* POWERCONNECT BATTERY SYSTEM is an interchangeable battery system. You can use one battery for multiple different tools within the BLACK+DECKER family of products.

    Compare with similar items


    BLACK+DECKER 20V MAX String Trimmer, 2-Speed, 12-Inch, Cordless (LST522)
    BLACK+DECKER 20V MAX* String Trimmer / Edger, 12-Inch (LSTE523)
    BLACK+DECKER 20V MAX String Trimmer/Edger Kit, 10-Inch (LST201)
    BLACK+DECKER 20V MAX* POWERCONNECT 10 in. 2in1 Cordless String Trimmer/Edger + Sweeper Combo Kit (LCC222)
    beyond by BLACK+DECKER 20V MAX String Trimmer / Edger, 12-Inch (LST522E1AEV)
    BLACK+DECKER 40V MAX String Trimmer, 13-Inch, Tool Only (LST136B)
    Customer Rating 4.6 out of 5 stars (3381) 4.5 out of 5 stars (4975) 4.4 out of 5 stars (2609) 4.3 out of 5 stars (8087) 4.5 out of 5 stars (461) 4.6 out of 5 stars (1768)
    Price $82.65 $98.81 $84.99 $119.00 $101.48 $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 1200 inches 1000 inches 1000 inches 12.0 inches 1300 inches
    Item Dimensions 9.25 x 41.33 x 5.74 inches 9.2 x 41.3 x 5.7 inches 11 x 42.3 x 5 inches 42 x 10.4 x 7.25 inches 7.25 x 3.75 x 39.34 inches 9.6 x 43.8 x 4.4 inches
    Item Weight 5.70 lbs 6.30 lbs 4.50 lbs 10.50 lbs
    Power Source Battery Powered Battery Powered Battery Powered Battery Powered Battery Powered Battery Powered
    Size 12" 10" 10"
    Voltage 20 20 20 20 40.00 volts

    Product Description

    Get the power you need with this two-speed trimmer/edge trimmer with extended battery capacity. Power through tough overgrowth, or reduce speed while you edge for extra runtime. Either way, there's no bumping required thanks to the Automatic Feed Spool of BLACK+DECKER trimmer.

    Product information

    Warranty & Support

    Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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    Customer Questions & Answers

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    3,381 global ratings

    Top reviews from the United States

    Reviewed in the United States on April 20, 2016
    Style: 20V String Trimmer KitVerified Purchase
    Customer image
    4.0 out of 5 stars Lightweight and Convenient with Better Battery than Priors
    Reviewed in the United States on April 20, 2016
    I have only used this once but it handled everything in my yard, including some patches of thick viney weeds. A few times I used power level 2 but most of it was doable at level 1. The battery had a few minutes of extra juice left when I finished. I purchased this model in order to get the better battery, LBXR2520. From what I can tell, the included battery is the only difference in the various models of this trimmer and I've posted a chart of the available batteries to save you some time.

    I spent a LOT of time on Amazon trying to determine if I should buy a "combo" set or make individual purchases for the string trimmer, sweeper(blower) and hedge trimmer. I decided battery life was important and opted to buy this model string trimmer to get a better battery. I also bought the hedge trimmer (without battery) and the sweeper (LSW20) with a battery. It was about $10 bucks more and an extra battery and charger can't hurt, even if it's the lesser LBXR20 battery.

    CONVENIENCE: Last year I bought a top-rated 14" Toro Electric string trimmer. I immediately found it was too heavy for me to use on my steep yard (I'm not a guy). Also the extension cord was limiting. I can take this little B&D anywhere in my yard and it's very lightweight. It seems like a great solution for me and I hope it performs well long-term.
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    460 people found this helpful
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    Reviewed in the United States on October 5, 2016
    Style: 20V String Trimmer KitVerified Purchase
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    JRG
    5.0 out of 5 stars Great for those tiny jobs that are not near power or need a $400 gas unit
    Reviewed in the United States on October 5, 2016
    I ordered this cordless trimmer in the hopes of solving an irritating issue every time I visited my step daughter's gravesite. The headstone (actually a flat marker) was always overgrown with grass as the cemetery folks just mowed the grass. My knees have been bothering more as I get older and it was more difficult to tend the grave. I thought a weed whacker would do the trick and hunted around for a good cordless one and ordered this one, because I have other B&D 20volt items and I'm impressed with the battery. I assembled it (one screw), figured out all the buttons and knobs, then put a battery in it and went to the cemetery and cleaned up the gravesite in less than 5 minutes. I noticed at lot of military graves also with their flags flying proudly over overgrown markers, so I cleaned 6-8 of them until the battery died after @ 25 minutes of use. I think I may have found a new hobby with my B&D weed whacker.
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    454 people found this helpful
    Report abuse
    Reviewed in the United States on September 9, 2018
    Style: 20V String Trimmer KitVerified Purchase
    100 people found this helpful
    Report abuse
    Reviewed in the United States on June 28, 2018
    Style: 20V String Trimmer KitVerified Purchase
    69 people found this helpful
    Report abuse
    Reviewed in the United States on September 14, 2018
    Style: 20V String Trimmer KitVerified Purchase
    43 people found this helpful
    Report abuse
    Reviewed in the United States on March 3, 2019
    Style: 20V String Trimmer KitVerified Purchase
    39 people found this helpful
    Report abuse
    Reviewed in the United States on October 5, 2020
    Style: 20V String Trimmer KitVerified Purchase
    14 people found this helpful
    Report abuse

    Top reviews from other countries

    Robert Vecchiarelli
    5.0 out of 5 stars My dad loved this thing.
    Reviewed in Canada on May 23, 2021
    Style: 20V String Trimmer KitVerified Purchase
    One person found this helpful
    Report abuse
    CMK
    5.0 out of 5 stars Pleased with this
    Reviewed in Canada on August 28, 2017
    Style: 20V String Trimmer KitVerified Purchase
    4 people found this helpful
    Report abuse
    Clickable Tech
    1.0 out of 5 stars Burnt out after not even 1 yr
    Reviewed in Canada on July 24, 2020
    Style: 20V String Trimmer KitVerified Purchase