Model # LST400

Internet #204630469

BLACK+DECKER 20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer
0885911329354

BLACK+DECKER

20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer

$93.92 /each

Frequently Bought Together

Product Overview

The BLACK & DECKER LST400 is ideal for trimming areas of overgrowth after mowing and edging along borders, sidewalks and flower beds. This trimmer features runtime extension technology with dual mode accelerator switch for high performance or longer run time. The adjustable height and pivoting handle positions provide maximum comfort and control.

  • Includes (1) 4-Amp hour lithium battery pack that gives you 2x more run time
  • Patented PowerDrive Transmission prevents bogging down in heavy grass and weeds
  • Automatic feed spool ensures continuous work without bumping and having to stop to adjust the spool
  • Quiet and easy to start, delivering great cutting results without the mess and hassles of gas powered trimmers
  • Adjustable height and pivoting handle positions provide maximum comfort and control
  • Part of the 20-Volt max system - a system that demands attention (1 battery fits multiple tools)
  • 7200 / 5500 RPM
  • 12 in. cutting swath
  • Compatible with AF-100 trimmer lines
  • Includes LST400 20-Volt max cordless trimmer/edger, LB2X4020-OPE 20-Volt MAX 2X battery, charger - LCS1620, AF-100 spool, guard and handle
  • Up to 1 hour of runtime when using dual mode switch in run-time mode

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Customer Questions & Answers

22 Questions68 Answers

Customer Questions & Answers

20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer
20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer

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12 answers

Is a battery charger included with the purchase? or do you just plug it in and unplug it for use?

This question is from 20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer
Asked by
Asheville, NC
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May 25, 2015
Just have seen this item on line.
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Answers (12)

Asked by
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September 9, 2015
Answer: 
Battery is removed to charge. The model from HD is LST400 which has 1 battery, the LST420 has 2 batteries. Last check I did was HD does not carry the 420.
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Asked by
Washington, DC
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July 14, 2015
Answer: 
Yes, the battery charger is included.
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Asked by
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June 30, 2015
Answer: 
Yes. Lasts a long time too
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Asked by
Denver, CO
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June 24, 2015
Answer: 
A battery charger comes with it. You take the battery out, slip it into the charger where it can stay until ready to re-insert in the trimmer for the next use.
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Asked by
Chicago IL
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Home Improvement Profile: DIYer
June 23, 2015
Answer: 
A small plugin charger is included but it is a slow recharge. They make a rapid charger if you want but this one works fine. Just takes a few hours to recharge.
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Asked by
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June 20, 2015
Answer: 
Definitely included. It is very small and slides over the battery...
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Asked by
Pennsylvania
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June 15, 2015
Answer: 
2 batteries came with mine, with a charger. My model was LS420
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Asked by
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June 9, 2015
Answer: 
The charger is included and you can recharge at any time without damage to the battery.
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Asked by
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June 9, 2015
Answer: 
Yes a charger is included with the purchase. The trimmer comes ready to use.
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Asked by
PA
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May 27, 2015
Answer: 
Yes, but the first time, it takes about 10 hours to charge, after that about 3 hours after
approx.1 hour of use.
I keep it on constant charge per instructions when not in use.
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Asked by
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May 26, 2015
Answer: 
charger included
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May 26, 2015
Answer: 
The battery charger is included with the item and it does not have a cord to plug it in only a battery to run the trimmer.
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6 answers

How long does the battery take to recharge?

This question is from 20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer
Asked by
Sherman, Texas
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July 4, 2015
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Answers (6)

Asked by
Green Bay, WI
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Home Improvement Profile: DIYer
June 7, 2016
Answer: 
Out of the box, the initial charge took about 10 hours. The next time I had to charge it, it took about 8 hours. I get about 1 hour of run-time before needing to recharge the battery.
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September 17, 2015
Answer: 
From dead it takes around 4 hours in my experience. I generally don't let it get all the way down so it usually charges back within an hour or so. If you have a large yard. I would definitely get a spare battery.
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Asked by
north fla.
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September 13, 2015
Answer: 
hard to say. It seems to take several hours. I just plug in and leave all day when I'm done.
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Asked by
Calera,Alabama
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August 19, 2015
Answer: 
Once completely dead it takes about 2 hours for it to charge up. We tried an hour at first and it didn't run but for about 10-15 minutes.
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Asked by
Lake Katrine, NY
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August 12, 2015
Answer: 
I read that it can take several hours, out of the box I think it took between one and two hours before light stayed steady. when I use it for about 15 minutes it seems to recharge about half an hour.
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July 15, 2015
Answer: 
This takes 4-5 hours to charge fully.
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6 answers

Can this trimmer be reloaded with bulk trimmer line instead of having to buy Black and Decker specific replacement cartridges?

This question is from 20-Volt Lithium-Ion Straight Shaft Electric Cordless String Trimmer
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May 31, 2015
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Asked by
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June 23, 2016
Answer: 
Yes, but not recommended. Hard to get the auto feed system to work correctly if you do not get tension correct.
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September 17, 2015
Answer: 
Yes, you can reload this, just make sure you get the correct line size.
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Asked by
north fla.
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September 13, 2015
Answer: 
yes.
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Asked by
Lake Katrine, NY
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August 12, 2015
Answer: 
yes for sure, but they say it has to be wound carefully no overlaps
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Asked by
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June 30, 2015
Answer: 
Sorry, don't know that, but I bought three pack of BD spools pretty cheap. Make sure you store spools in a Baggie with a little water also
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Asked by
Atlanta, GA
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Home Improvement Profile: Professional
June 12, 2015
Answer: 
Hi dataway,
I'm Travis from The Home Depot. Thanks for visiting our site.
Yes, all cartridges that have been loaded with trimmer line can be reloaded with bulk line.
The cartridge must be in proper working order before you can reuse it. If it shows obvious signs of wear, replace it with an AF-100 pre-filled cartridge.
To refill your empty cartridge, measure off approximately 20' of line that matches Read More
Hi dataway,
I'm Travis from The Home Depot. Thanks for visiting our site.
Yes, all cartridges that have been loaded with trimmer line can be reloaded with bulk line.
The cartridge must be in proper working order before you can reuse it. If it shows obvious signs of wear, replace it with an AF-100 pre-filled cartridge.
To refill your empty cartridge, measure off approximately 20' of line that matches the original line that your unit came with. In this case, use .065'' size line.
If your unit has two cutting lines, cut the 20' of line into two equal length lines. Anchor each line into the hub and load the string by pulling both lines onto the spool.
If it has one cutting line, anchor it onto the hub and pull the line onto it by rotating the spool backwards, pulling the string onto it.
Thank you for asking,
-Travis Read Less
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4 answers

How many rechargeable battery does it cones with? I saw some other Black&Decker cordless trimmer that cones with 2.

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May 5, 2016
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Answers (4)

Asked by
Green Bay, WI
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June 7, 2016
Answer: 
This model comes with one battery
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May 9, 2016
Answer: 
This came with one. When charged you can get an average yard trimmed without running out of power. Two power levels also help for more or less power needed.
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Asked by
New Mexico, USA
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May 6, 2016
Answer: 
Mine came with a single 4 amp-hour battery. That is enough capacity that I am exhausted well before the battery is.
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May 6, 2016
Answer: 
This trimmer comes with one battery.
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Customer Reviews

Rated 4.3 out of 5 by 203 reviewers.
Rated 5.0 out of 5.0 by Charged the battery and used on unassembled String trimmer. Waiting until Spring to use trimmer/edger. October 29, 2016
Rated 5.0 out of 5.0 by string trimmer It's very easy to use and easy to put together. It does not use a lot of string like two of the other black and decker combo edger and blower 20 volt and 40 volt. I love this this edger. This is my second one. The only problem is it doesn't last for a long time. October 19, 2016
Rated 5.0 out of 5.0 by Love Black & Decker 20 V Max* Trimmer/Edger LST 400 The price was lower than other places that I researched online. It does the job with two speeds. The wheel for edging worked perfectly. Black &Decker products are easy to assemble, easy to understand and durable. October 18, 2016
Rated 3.0 out of 5.0 by Light duty This is fine for small light work, but doesn't deliver the power to trim thick grass or weeds easily. Requires multiple passes to adequately trim thicker weeds and grass alone fence lines. September 13, 2016
Rated 5.0 out of 5.0 by Solid weed eater I had a gas weed eater that was heavy and hard to start. In purchasing this product it is fast, easy to handle, and light. Also, runs on a battery for one hour. I recommend this product. September 13, 2016
Rated 5.0 out of 5.0 by Super easy and convenient This trimmer is awesome. The reverse setting with the roller-guide for edging is simply great. The auto feed trimmer chord feature is very helpful and leads to more careful handling instead of the old slam on the ground for wire. The best thing is there is no mixture problem to deal with. No more oil or gas to delicately balance on a gas trimmer, plus the fumes and smells on top. The only thing I'd change is the battery life but I knew that going forward and is just about enough for me to do my entire front and back within an hour. You can also buy additional batteries or if you use other b&d electric 20v lithium tools, the batteries are interchangeable. Truly a great quality product. July 26, 2016
Rated 1.0 out of 5.0 by What a piece! I purchased this trimmer a few weeks ago. It's easy to use but the battery is already failing to charge. I've only used the trimmer twice! When I pay $90 for a tool, I expect it work more than two times. I should have listened to my instincts and purchased a Dewalt trimmer or stuck with my old gas trimmer. Buyer beware! August 19, 2016
Rated 4.0 out of 5.0 by Solid purchase Bought this trimmer because I had arm surgery and needed something my wife could handle. Trimmer is lightweight has ample power and does a good job. Like all battery powered trimmers eventually the battery will no longer recharge and need to be replaced.. Will eventually go back to my gas powered trimmer but for now am pleased whit this purchase. Had a little trouble getting the line to self feed but is now working fine. August 16, 2016
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