Model # NST2118

Internet # 202590029

18-Volt Straight Shaft Cordless String Trimmer-DISCONTINUED

This item has been discontinued.
The Home Depot no longer carries this specific product.

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Product Overview

With its innovative Automatic Feed Spool system, the Black & Decker 12 in. 18-Volt Cordless Trimmer and Edger makes use of centrifugal force to advance the cutting line, thus eliminating the need for bumping. This cordless trimmer incorporates a hardworking Power Drive transmission and a Groom 'N' Edge head that converts the tool into an edger at the push of a button. This trimmer includes a pre-wound spool of line, two 18-Volt Ni-Cad batteries and a battery charger.

  • 12 in. cut diameter covers a large swath for improved efficiency
  • PowerDrive transmission delivers an abundance of power from the motor to the cutting string for effective cutting performance
  • Automatic feed spool system uses centrifugal force to advance the cutting line as needed to maintain consistent line lengths and eliminate the need for bumping
  • Starts instantly with the pull of the trigger
  • Lock-off switch helps prevent a ccidental activation
  • Secondary handle adjusts for increased comfort and control
  • Telescoping pole easily adjusts to your preferred length
  • Groom 'N' Edge head rotates 180 degrees to convert the trimmer to an edger with a push of a button
  • Flip-down edge guide helps keep the trimmer in line with sidewalks and driveways
  • Includes a pre-wound black and decker 30 ft. spool
  • Includes two 18-Volt Ni-Cad batteries and a battery charger
  • Note: Product may vary by store

Info & Guides

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Assembled Depth (in.) 
8.5 in 
Assembled Height (in.) 
41.313 in 
Assembled Width (in.) 
4.813 in 
Line style size 
Maximum cutting path diameter (in.) 
Recommended line diameter (in.) 
Shaft length (in.) 


Assembly Required 
Attachment capable 
Batteries Included 
Battery Type Required 
18V Ni-Cad 
Charger Included 
Engine Cycles 
Electric Motor 
Extra Battery Included 
Head Type 
Line Advance System 
Metal blade conversion kit 
Multiple heads included 
No-tool line replacement 
Number of Trim Lines 
Power Type 
Product Weight (lb.) 
6.4 lb 
Replaceable Head 
Shaft type 
Shoulder harness/strap 
Start Type 
Trimmer Line Type 
Trimmer Type 
Consumer Electric Cordless String 
Voltage (volts) 

Warranty / Certifications

Manufacturer Warranty 
2 Year Warranty 30 Day Satisfaction Guarantee 

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Customer Questions & Answers

2 Questions1 Answer

Customer Questions & Answers

18-Volt Straight Shaft Cordless String Trimmer-DISCONTINUED
18-Volt Straight Shaft Cordless String Trimmer-DISCONTINUED

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Can I exchange my used but still working batteries for this product TO THE MANUFACTURER for a voucher coupon towards the new model?

This question is from 18-Volt Straight Shaft Cordless String Trimmer-DISCONTINUED
Asked by
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May 14, 2016
Please let the manufacturer know I have 5 batteries for this trimmer, I love this product. Mine is now broken. I can't get a new one. Not pleased to discover that B
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Answer (1)

July 4, 2016
Thank you for your recent inquiry with The Home Depot, Dan. You will need to contact Black & Decker for that information:
We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot.
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Where can i buy 12" gard

This question is from 18-Volt Straight Shaft Cordless String Trimmer-DISCONTINUED
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June 14, 2016
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Customer Reviews

Rated 4.0 out of 5 by 267 reviewers.
Rated 5.0 out of 5.0 by Much improvement in this product since my last purchase 6 yeras ago. Excellent shipping ,odd that it is not sold in our nearby Home Depot's. October 8, 2013
Rated 4.0 out of 5.0 by Ease of operation Having two batteries makes big jobs easier and quicker. Easy to change line is a plus. Does a close and sharp cut. July 9, 2013
Rated 5.0 out of 5.0 by So Simple to Use and Maintain I purchased this 18 Volt B&D Trimmer during the summer of 2010 at Home Depot, and purchased a third battery and extra string kits, (2012 price $3.50 more per string set). I have a 1/4 acre property and I just make it with the three (3) 2.5-year-old batteries, doing three edger cuts along a 110-ft sidewalk and curb and two cuts along the 25 ft walk; trimming a raised garden bed 5' x 40 ft.; three sides of the house and 20' x 40 ft side of the garage, also around numerous planters and displays on the property. The automatic string feed work’s great and it is so simple when changing spools. I charge the batteries for 10 to 12 hours (plus) each on the days immediately before use. I now only have a problem with one of the original batteries not holding up as long as the others when doing the property. It was the best $115 or $120 investment (with extra battery) garden power tool purchase I ever made. No more gas model 2 cycle fuel mix, spark plugs; no more problems with starting, trim string and spool changing, tool weight and above all loud noise, all have gone away. The B&D Trimmer does take longer to cut/trim, it is not as fast as the gas model, until you count prep time, service, maintenance and time to correct usage problems of the latter unit. This is the one tool that Black & Decker should get the Genius Award for, it is so simple to use and maintain. If anyone is having problems with this Trimmer, read the Manufacturer’s Instructions; if the problem continues call the Manufacturer, you may have purchased a statistical deviation of a quality product (a lemon), have them replace it. October 5, 2012
Rated 5.0 out of 5.0 by Great Trimmer This is a great trimmer with more than enough power. I have a third of an acre lot in the country and can easily do the whole border of my lot along with edges of tress and flowerbeds. In spring when the lawn is very thick I use a battery and a half or so. Late summer when growth isn't as thick I can do it on a single battery. It has more than enough power to tackle overgrown areas with weeds and vines. It's more powerful than the corded trimmer I had before this one. It's light and comfortable to carry too. The auto spooler works great too. I've never had it tangle and am on my second season with the original spool. June 13, 2013
Rated 5.0 out of 5.0 by Lasts through the years I use this trimmer to trim and edge my lawn. I have a quarter acre sized lot and dragging round a cord can become cumbersome. A gas trimmer doesn't make sense because I only use the trimmer for about 5 minutes a week, and the extra weight of a gas engine is not worth it. This unit is very easy to use. Make sure you have a fully charged battery, slide it in till you hear a click, and your ready to go. It is also very easy to change from trimmer to edger. Just a small twist and you can go from edging to trimming. My batteries are sadly not able to hold a charge. I do not hold this against B&D, as this is a problem with all lithium batteries. May 11, 2013
Rated 5.0 out of 5.0 by This is a excellent replacement for my gas weed eater. I bought this trimmer on May 6th. I tested one somebody else had. It had only about a half charge and did well. It cut down (six) 3/4 inch stalks . I knew this was for me. I edged my yard and and my neighbors over growth. It took about 20-25 minutes. I needed to recharge. I was able to extra with it on one battery. I am pleased with this product and recommend it to anyone that has an average yard this device mowed right through it all. I think the thing that has people discouraged about this is the battery. You have to properly charge AND maintain it. Nicad batteries require different maintenance than lithium batteries. This also is very convenient to use. May 7, 2013
Rated 5.0 out of 5.0 by Completely satisfied I have a gas powered trimmer with an hedge trimmer attachment - it can be hard to start and cumbersome for trimming. The Black & Decker product is exactly what I was looking for. I have about 2/3 of an acre but have the yard setup not to require a lot of trimming. I used it this weekend - total run time about 8 minutes. Plently of battery power remaining. Just pressing a buttton to run it almost seems like a luxury. Seems more powerful than an old electric (corded) trimmer I have. Did a fine job with moderate depth grass. The recent deal was a very good one - along with the 2 batteries in the package a 3rd is included as a bonus. June 5, 2011
Rated 4.0 out of 5.0 by Simple and easy to use We just bought a house with a small yard and wanted something uncomplicated. The double battery was a plus! The instructions say it takes about 4-5 uses/charges to set to its full capability; I sure hope so. The two batteries barely covered my small yard, the 2nd battery dying towards the end of the job. After a 2nd use, the spool ran out. Not sure if it was a trial and not a full spool; if so, buy extras beforehand if your yard is large...and extra batteries! We've now added an 18v B&D blower so we're covered. Overall, simple to use and lightweight. Great safety trigger to prevent accidents. A good buy for small projects. August 9, 2012
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