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Black & Decker NST1024 24-Volt Cordless String Trimmer

4.3 out of 5 stars 3 customer reviews

Currently unavailable.
We don't know when or if this item will be back in stock.
  • PowerCommand allows users to switch between boost mode for extra power to tackle toughest jobs and normal mode for standard trimming while optimzing battery runtime
  • Groom N' Edge with the flip-up edge guide, allows users to switch from trimming to edging in seconds
  • Dual 0.80 -Inch line and 14 -Inch cut path deliver faster results, even when trimming tough weeds and grass
  • Lightweight, ergonomic design with adjustable height and cushioned grips gives the user maximum comfort and control
Ships in Original Packaging:
This ships separately from other items in your order. The item ships in its original manufacturer's packaging and therefore the contents cannot be concealed.

Bosch Power Tools

Product Details

  • Product Dimensions: 23 x 11.1 x 117.5 cm ; 6 Kg
  • Shipping Weight: 6 Kg
  • Item model number: NST1024
  • ASIN: B002YK4UZ0
  • Date first available at Oct. 27 2011
  • Average Customer Review: 4.3 out of 5 stars 3 customer reviews
  • Amazon Bestsellers Rank: #24,037 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
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Product Description

Designed to make yard work faster and easier than ever before, the Black & Decker 24-Volt Cordless String Trimmer and Edger (NST1024) provides unmatched power and convenience in a battery-powered, easy-to-operate design. This high-performance tool offers two cutting modes for improved control, making it the perfect solution for those in search of a reliable and powerful string trimmer.

The NST1024 Cordless
String Trimmer and Edger
At a Glance:
  • Delivers high-level cutting performance without gas, oil, or pull cords
  • Patented gear drive transmission dramatically increases power output
  • Power CommandTM feature lets you choose between two modes: Normal and Boost
  • Adjustable aluminum shaft and soft no-slip grip areas
  • Releases zero harmful emissions; includes Energy Star certified charging system

The adjustable aluminum shaft and soft no-slip grip areas make this trimmer comfortable to use. View larger.

The NST1024 comes with a high-output 24-volt battery, so you can complete big jobs without interruption. View larger.
Powerful, Cordless Performance
Like all Black & Decker cordless string trimmers, the NST1024 delivers a high level of cutting performance without the hassles of gas, oil, or pull cords. It comes equipped with a long-lasting 24-volt battery pack and a newly developed 9,000-RPM motor. The motor gives the trimmer the juice it needs to quickly take down the tallest weeds and expertly trim along fences, houses, landscape beds, and more.

Two Cutting Modes to Meet Your Needs
The NST1024 boasts a patented gear drive transmission to dramatically increase power output over all other cordless trimmers on the market. And for optimum control of all that power, PowerCommandTM enables users to select between two cutting modes. Normal mode maximizes battery runtime, while Boost mode delivers twice the cutting power of leading 18-volt string trimmers.

Versatile, Comfortable, and Easy to Use
The adjustable aluminum shaft and soft no-slip grip areas make the NST1024 comfortable to use. With the touch of a single button, the trimmer head rotates and converts to an edger. To cap it off, the NST1024 trimmer uses Black & Decker's patented auto-feed spool system, which automatically advances the cutting line as it wears down.

In addition to power and versatility, the NST1024 offers an array of environmental advantages. Unlike gas-powered engines that produce a total of over one million tons of polluting air emissions a year, the NST1024 releases zero harmful emissions when cutting. In addition, its charging system is Energy Star certified.

As an added bonus, the NST1024 is much lighter, starts easier, and has lower operating costs than traditional gas-powered models. It is backed by a two-year warranty and 30-day risk-free trial.

About Black & Decker: Nearly a Century of Innovation
As a global manufacturer and marketer of power tools and accessories, hardware and home improvement products, and technology-based fastening systems, Black & Decker has established a reputation for product innovation, high-quality, durable design, and value. The company enjoys worldwide recognition for its innovative product development, and its global distribution is unsurpassed in the hardware and tools industry.

Based in Towson, Maryland, Black & Decker was founded in 1910 by S. Duncan Black and Alonzo G. Decker. In 1917, the company invented a portable electric drill and quickly received a patent for the drill's pistol grip and trigger switch. In the years that followed, the company's success led to entry into foreign markets, and later, the development of individual tool lines.

What's in the Box
Black & Decker 24-Volt Cordless String Trimmer and Edger, high-output 24-volt battery, charger, and manual.

The trimmer head rotates and converts to an edger with the touch of a button.





Key Feature Two 18V NiCad batteries provide extended run time 40 percent lighter battery, smaller than traditional 18V NiCad batteries PowerCommand system with "boost mode" for up to twice the power of 18V string trimmers Long-lasting 36V battery with performance that rivals gas string trimmers
Battery Voltage18V18V24V36V
Battery ChemistryNiCadLi-IonNiCadNiCad
Number of Batteries2111
Amp Hours1.
Cut Swath12 inches12 inches13 inches14 inches
Tip Speed290 mph290 mph350 mph312 mph
Watt Hours54274186.4
Rate of Cut
(square feet/min)
Area Cut
square feet as sold
String Diameter0.065-inch0.065-inch0.065-inch0.08-inch dual
Weight6.8 pounds6 pounds8.8 pounds11.9 pounds
Charge Time8 hours45 minutes 9 hours12 hours
Line Feed TypeAFSAFSAFSBump
Edging ModeYesYesYesNo
Warranty2 years2 years2 years3 years
  NST2018 LST1018 NST1024 NST2036

Customer Questions & Answers

Customer Reviews

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Top Customer Reviews

Verified Purchase
Good product but I wish the battery lasts longer. If I charge the battery and leave it a few days without using it I have to recharge it as it doesn't hold the charge.
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Verified Purchase
so far very happy
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Verified Purchase
good deal & tough looking product
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Most Helpful Customer Reviews on (beta) HASH(0xb3a5d390) out of 5 stars 162 reviews
94 of 98 people found the following review helpful
HASH(0xb3e8dc00) out of 5 stars Improved cordless trimmer/edger can still be improved upon April 6 2010
By famousdavis - Published on
Vine Customer Review of Free Product
QUICK SUMMARY: This Black & Decker cordless trimmer/edger has more power to cut through stubborn St. Augustine grass shoots, but a few minor design complaints and a short-lived battery life keep it from being a 5-star product. Recommended!


- 24 volt battery pack creates power that rivals a gas-powered trimmer
- easily mowed through thick, overgrown, St. Augustine grass
- quickly cut the St. Augustine grass shoots spreading over my sidewalk
- uses its predecessor's 18-volt battery packs, too!
- assembly was a cinch to do
- stronger shaft is now made of strong, lightweight aluminum (not plastic)

What could be improved:

- the trigger to activate the trimmer/edger requires too much pressure to hold down, so using this unit for more than a few minutes grows tiring after a while
- removing and reinstalling the allen wrench (used to reposition the handle) is hard to do
- the battery life still isn't long-lasting enough to fully trim/edge my lawn
- adjusting the handle requires using the allen wrench, so it's not easy to have two people of different heights using the same trimmer/edger


This is my second Black and Decker cordless trimmer/edger. My first one has just about died now after a few years of use. The shaft on my old unit is made of plastic, and the weight of the unit stressed the middle of the shaft to the point where it cracked and had to be kept together using duct tape. I was happy to see, then, that this new Black & Decker trimmer/edger has a shaft made of aluminum now, which should be more durable.

I live in Florida, and our lawn is made of St. Augustine grass. If you're not familiar with St. Augustine, it's like crabgrass except it's highly heat tolerant and it isn't a weed. St. Augustine spreads via spreading grass shoots, and those grass shoots grow over my front yard sidewalk. They're very hard to cut while edging my sidewalk, even when I had a gas-powered trimmer/edger. My old B&D trimmer/edger, which uses 18-volt battery packs, struggled to cut the thickest grass shoots and it took quiet a long time to edge my 50-foot-long sidewalk.

Using the Trimmer/Edger:

In my first time using this trimmer/edger, I was pleasantly surprised at how much power it seemed to have over my 18-volt trimmer/edger. The 24-volt battery pack that comes with this unit delivers a lot power that, I think, rivals my old gas-powered trimmer/edger. I had a large, very overgrown patch of St. Augustine grass over my septic system's drain field that needed to be whacked away before I could mow over it. This trimmer easily cut through the thick St. Augustine grass with no trouble -- and this was without even using the power boost setting that is available on this model!

The harder task came when edging my sidewalk. I had St. Augustine grass shoots that hadn't been edged in months now, growing over my 50-foot sidewalk. Using this trimmer, I was able to pretty quickly cut through those hard-to-cut grass shoots. The task went much more quickly than when I was using my old 18-volt trimmer/edger.

Unfortunately, I ran out of power before I could complete the edging of my sidewalk. I got 75% finished before the battery pack's power noticeably waned. In sum, I probably worked about 20 minutes total whacking a large, overgrown grass patch in my front yard and edging 75 feet of my sidewalk (I completed one 50 foot stretch on one side of my sidewalk, but then only 25 feet of the opposite side of the sidewalk).

Here's one good thing, though: this trimmer/edger works with all my 18-volt battery packs! So, I was still able to finish my lawn using my 18-volt battery packs. If you've already invested in some of the 18-volt battery packs, you'll really appreciate the backwards-compatibility of this new Black & Decker trimmer/edger.

Because the handle requires loosening and retightening four screws, it's not going to be easy to share this trimmer/edger with another person in your family who is of a substantially different height than you are. It would have been better to design a handle that could be readjusted without screws.

My biggest design complaint is the finger pressure that's required to keep the power-on trigger depressed. It requires substantially more effort to hold down the finger trigger on this new, 24-volt trimmer/edger than my old Black & Decker trimmer/edger. After about 10 minutes of grass-whacking, I required frequent rests to my finger that was holding down the power-on trigger. I also don't like the safety lock that you have to slide and hold firstly before you can depress the power-on trigger -- I think it's in an awkward position for your thumb to get to.


Black & Decker certainly improved their cordless trimmer/edger by giving it a 24-volt battery pack. It now has power that rivals a gas-powered trimmer/edger. It also has an improved build quality using aluminum instead of plastic in the shaft. But this trimmer/edger's power is short-lived still. Unless you have a very small lawn with very easy-to-cut grass, you'll run out of power before the job is done. And if that's the case, you'll want to buy a 2nd battery pack so you finish the job. I'm actually very impressed with this Black & Decker cordless trimmer/edger, and will be happy to use it more frequently now that the warm weather has arrived.

150 of 168 people found the following review helpful
HASH(0xb3c03a80) out of 5 stars Let's get real about this trimmer April 18 2010
By K. Brumfield - Published on
Purchased this trimmer several weeks ago and I've put it through it's paces since then. I have owned several Black & Decker products in the past and I must say I've never been more disappointed with one of their products.

You can talk all you want about what a nice job it does trimming and edging, but the bottom line is the current battery system they are using is woefully inadequate for all but the smallest of yards. 20 minutes of usable power is pathetic. Not to mention the 10 hours it takes to recharge the battery.

I almost choked when I saw they wanted $70 for a second 20 minute battery, and $35 for a 2-hour recharger. Are you kidding me? Black & Decker, if you're listening, prove to your customers you have their best interests at heart and come out with a corded adapter for this product. I would buy it in a heartbeat.

Otherwise, I cannot recommend this product in good faith.
15 of 16 people found the following review helpful
HASH(0xb3de2aa4) out of 5 stars Excellent trimmer, made quick work of my messy yard April 3 2010
By Mary Jo Sminkey - Published on
Vine Customer Review of Free Product
I have a yard designed to drive non-gardening folks like me crazy. Weeds grow like crazy and I have all kinds of fence lines, patios, sidewalks, etc. that constantly need work. I always hate edging in particular, due to the large size of my yard and the hassle of dealing with power cords, so this battery-powered model is right up my alley. I have tendinitis in my arms so heavy power tools can be a real problem for me, particularly cordless models with those heavy batteries attached. This is certainly not the lightest model out there but I found to be quite easy to handle and not bad for the amount of time I had to use it. The assembly was probably the most painful part of using it, but even that took me only about 10 minutes to do, less if I had bothered to open the manual.

Safety features are well in place, the edger ships with a cable tie in place to prevent it turning on until fully assembled and ready to use (and of course, I am outside frustrated at trying to get it to start before I noticed it!) As with most tools of its type, you have a two-button power system for safety. After charging the battery overnight, I gave it a run for its money. Set it to work on the weed factory that passes for a garden in my yard, and it went through everything like it was butter. Awesome! I didn't even need to try the higher power setting, it went through everything I needed it to fast and easy. The adjustable handle makes it very easy to set the right height for your size, and the swiveling head is a great feature to easily go from trimming to edging.

The NiCad battery of course is the only downside with these kinds of power tools, they are slow to charge and have limited life, particularly if you are not careful how you use them. But it's pretty hard to find anything else for a cordless trimmer, certainly in this price range. Hopefully we'll see lithium batteries for these kinds of tools start to come down in price and become an option as well.

Overall, I would highly recommend this tool, particularly if you have more than average trimming/edging needs and want a tool with sufficient power to handle fairly thick patches of growth.
9 of 10 people found the following review helpful
HASH(0xb3d10e40) out of 5 stars Convenient Semi-Pro Trimmer/Edger April 18 2010
By Glenn R. Howes - Published on
Vine Customer Review of Free Product
I am quite happy with the power and ease of use of this tool. When I first moved into a house, I wasted a good chunk of money on a gas powered edger, which I ended up never using as it was hard to operate and maintain. I would recommend this tool for anyone without professional level needs. It was easily able to edge all the appropriate greenery on my modest quarter acre household without any indication of running low on battery. It was powerful enough to trim some vines and anything slimmer than my pinkie. It even flayed off some moss growing on my asphalt driveway. Plenty of power.

Assembly was simple, be aware that the needed hex key wrench is hiding near the trigger. I was able to put it together with the "help" of my four year old in under 10 minutes. Take some care getting the balance right with the mid shaft handle.

It's reasonably light, and I was able to edge my lawn without wearing myself out, although my trigger hand got a little cramped up. Please wear safety goggles and keep away from children while operating.

In summary, a good value for the individual home owner.
6 of 6 people found the following review helpful
HASH(0xb3b76600) out of 5 stars Battery Life is the only downside May 11 2010
By Nicholas R. Roux - Published on
I was very impressed with the power and design of this trimmer. It has everything you could possibly want. I think it is as good as any residential use gas trimmer out there.

But a big downside is that I had to buy a second battery in order to complete my yard. If you have a small yard or don't mind paying $50 for a second battery I recommend it.