Model No. LST420

20V MAX* Lithium 12 in. High Performance Trimmer/Edger

11 Reviews

With a dual-mode switch for extra power or extra runtime, this battery-powered trimmer and edger features POWERDRIVE™ transmission to tackle tough overgrowth. Easily converts from trimmer to edger.

Where to Buy

1 Hour of Runtime

Go The Distance

When you’ve got lots of trimming to do, you need the runtime to get it done. A dual-mode switch on our LST400 series cordless string trimmers gives you the option to choose between high power or up to one hour of extended runtime. Patented PowerDrive Transmission™ prevents getting bogged down in heavy grass and weeds, and Automatic Feed Spool™ ensures continuous work without interruption.
LG_1HourRunTimeopt
Includes 2 lithium batteries for up to 1 hour of runtime.

Overview

Features + Benefits

  • Up to 1 hour of runtime - from (2) included 20V MAX* batteries when using dual mode switch in run-time mode**
  • Includes (2) 2.0 Amp hour lithium batteries - each battery delivers 33% more capacity than standard LBXR20 20V MAX* battery
  • Dual mode switch to control power for high performance or longer run time
  • The POWERDRIVE(TM) Transmission delivers more power from the motor to the cutting string so you can get the job done faster
  • The Automatic Feed Spool - AFS(R) automatically feeds trimmer line when needed with no bumping required
  • 2-in-1 Trim or Edge with wheeled edge guide - just rotate to convert from trimmer to wheeled edger.
  • Lightweight design with adjustable handle and height positions provide maximum comfort and control
  • It is quiet and easy to start, delivering great cutting results without the mess and hassles of gas powered trimmers
  • Part of the 20V* MAX System - A System that Demands Attention. 1 Battery fits multiple tools
  • *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.
  • ** under normal cutting conditions in run time mode using both batteries included
LST420

Product Specs

Cutting Swath 12 in
Feed System AFS
Line Diameter .065 in
Power Source Lithium Ion
Replacement Accessories AF-100; RC-100-P
rpm 7200/5500 rpm
Voltage 20 V
Weight 5.7 lbs
Uses
  • Trimming areas of overgrowth after mowing
  • Edging along borders, sidewalks and flower beds
Includes
  • LST420 20V MAX* Cordless Trimmer/Edger
  • (2) LBXR2020-OPE 20V MAX* Batteries
  • (1) Charger
  • (1) AF-100 Spool
  • (1) Guard
  • (1) Handle

 

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Review of 12

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11 reviews


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5

This review is hidden because you have chosen to ignore Richard F. Show DetailsHide Details

LST420

Very happy with this sub-$100. unit from Lowes. I have 2 dead $150.+ gas units in my garage: carbs, pull lines, feed unit...what a pain. Too expensive to send off to repairs and not worth the DIY parts and install. Cordless lithium units are the future and B&D has made a nice homeowner unit in the LST400/420 series. With 2 batteries, all but a golf course are in reach to the average-plus size yard. Very happy with overall function and performance, battery recharge times, adjustable shaft length, ease of cutting unit rotation, and the edge rolling wheel guide are just plain smart engineering.

Pros: Intelligent Design, Light Weight, 2 Batteries, Auto Feed Line, Priced Right

Cons: None to Date

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5

This review is hidden because you have chosen to ignore terry p. Show DetailsHide Details

B&D 20v max

I bought this for my wife, she hates my gas powered trimmer. I still do all the heavy trimming, she does the smaller jobs, and she likes it a lot and so do I.

Pros: light weight, works nicely, and my wife can use it.

Cons: Have not had it long enough for any problems

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5

This review is hidden because you have chosen to ignore Dallas D. Show DetailsHide Details

Great Product

Bought this a few weeks ago and have used it on my residential yard several times. The edger feature is very nice and works pretty well and then I can click it over and begin to trim around mail boxes, trees, and various areas that my mower cannot reach. Has more than enough power to use for the weekend warrior at their house. My yard is now one of the best looking on the block. This tool is a must have if you enjoy cutting your grass and working on your yard every week. No reason to pay a yard service if you have this tool!

Pros: Lightweight, Easy to use, 2-in-1 performance

Cons: None

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5

This review is hidden because you have chosen to ignore Robert M. Show DetailsHide Details

Great trimmer and edger

This works great as an edger and trimmer! I especially like the swivel head - I see many of our neighbors holding their trimmers at odd angles for edging and all I have to do is swivel the head.

I used to have a gas powered trimmer - heavy, needed maintenance, gas mixture, and loud ( I had to wear earplugs ). This trimmer is very light and easy to use and I don't need ear plugs!

The operating thumb button could be a better design. While I see the safety in having to pull one button with your thumb while gripping the other button on the handle, it does get a bit tiring. I believe it could be designed where both buttons are needed to start but the operator should be able to let go of the thumb button while the handle button keeps the motor running. If the operator lets go of the handle, the unit should stop.

Pros: Cordless, 2 batteries, swivel head, not noisy

Cons: button start could be better

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5

This review is hidden because you have chosen to ignore Ed M. Show DetailsHide Details

LST420 Trimmer

I would recommend this product.

Pros: Easy to assemble. Holds enough charge to trim around house, garage, shrubs, and bushes without exchanging batteries. Excellent product.

Cons: Would like a button to keep unit running without holding button.

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