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BLACK+DECKER LST420 20V MAX Lithium High Performance Trimmer and Edger, 12"
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- The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster
- Runtime Extension Technology with dual mode accelerator switch for high performance or longer run time
- The Automatic Feed Spool ensures continuous work without bumping
- Includes (2) 2.0-Amp-hour lithium battery packs- each battery pack delivers 33% more capacity than the LBXR20 battery pack
- Part of the 20V MAX System - A System that Demands Attention. 1 Battery fits multiple tools
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From the manufacturer
What's in the Box
- LST420 trimmer/edger
- (2) LBXR2020-OPE 20-volt MAX lithium-ion batteries
- (1) AF-100 30-foot spool
- Operating Instructions
BLACK+DECKER 20-volt Max Lithium High Performance Trimmer and Edger
Delivering long battery life and power to tackle trimming and edging tasks, the BLACK+DECKER LST420 High Performance Trimmer and Edger offers the freedom of cordless convenience and extended runtime. The LST420 features a new dual-mode switch, giving you the option to choose between high power or extended run time. You'll get up to one hour of runtime1 for trimming large yards without the hassles of gas-powered trimmer/edgers.
Ideal for trimming areas of overgrowth after mowing and edging along borders, sidewalks and flower beds, the LST420 is quiet and easy to start. The adjustable height and pivoting handle positions provide maximum comfort and control.
At a Glance
- Runtime Extension Technology with dual mode accelerator switch for high performance or longer runtime
- 20-volt MAX lithium-ion battery system provides longer battery, life year after year; includes two batteries
- PowerDrive Transmission delivers more power from the motor to the cutting string
- Automatic Feed Spool ensures continuous work without bumping
- Wheeled edging feature — just rotate to convert from trimmer to edger
Runtime Extension Technology
BLACK+DECKER's Extended Runtime Technology features electronics that allow this trimmer/edger to maintain constant speed in a variety of grass conditions so the it runs at an efficient speed for extended battery life. In high-power mode, the LST420 ramps up the power output to quickly take down heavy grass and weeds. In runtime mode, the trimmer/edger provides up to one hour of runtime for normal trimming.
The LST420 comes with two 2.0 amp-hour lithium-ion batteries (model LBXR2020), which offers 33 percent more runtime per battery pack than the previous LBXR20 pack.
Trim in Comfort
Easy to start and quiet to operate, the LST420 cordless trimmer/edger weighs 5.7 pounds. Plus, it's fully adjustable so you can work at the ideal height, with pivoting handle positions to trim at odd angles in comfort and a telescoping pole that easily adjusts to a your preferred length.
This cordless trimmer/edger also features BLACK+DECKER's PowerDrive Transmission, which delivers consistent power in most grass types, helping to maintain cutting performance while trimming and edging in heavy grass or weeds. That ultra-efficient performance plus a generous 12-inch cutting swath help every job go faster.
With the LST420, you never have to bump to release the string or waste time continually adjusting the string spool. The BLACK+DECKER Automatic Feed Spool keeps the string at the optimal length automatically and continuously. The LST420 also converts from trimmer to an edger in seconds. A wheeled edge guide has been added for balance, helping to eliminate the need to hover the trimmer/edger over the line of grass between the lawn and sidewalk while edging. Simply roll along the sidewalk or driveway, and the wheel supports the weight of the trimmer/edger for a fine edge and straight, clean edges.
BLACK+DECKER's 20-volt MAX lithium-ion batteries offer a longer lifespan and retains its charge 5x longer than similar 18-volt NiCad batteries. They're compatible with the full line of BLACK+DECKER's 20-volt MAX line of power and gardening tools, and you won't be limited by an extension cord.
Easy to use and maneuver, the battery-powered timmer and edger eliminates the need for gas or oil to be stored.
Since 1910, BLACK+DECKER has been setting the standard for innovation and design of power tools, accessories, outdoor yard care equipment, home cleaning products, automotive and lighting products, hardware, and other home improvement products. The inventor of the first portable electric drill with pistol grip and trigger switch, BLACK+DECKER has evolved from a small machine shop in Baltimore, Maryland, to a global manufacturing and marketing powerhouse with a broad line of quality products used in and around the home and for commercial applications. When users need to get work done, they trust BLACK+DECKER for the products that will do the job efficiently and reliably.
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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.
Top customer reviews
Assembly: Assembly was real easy and consisted of pushing the plastic guard into a slot (1 screw) and attaching the D shaped handle (1 bolt).
Adjustments: The D shaped handle can be moved up and down the shaft, but the angle cannot be adjusted. The telescopic shaft can be shortened or lengthened. The distance between the center of the motor at the bottom of the shaft (center of the Black & Decker label on the motor) to the top of the handle can be adjusted from 36 inches to 49 inches. I'm 6 foot tall and it feels best fully extended for me.
Batteries and cutting line: Two 20 volt LBXR2020 Type 4 40 Wh batteries are included. The manual indicates that it takes five hours to fully charge one battery. The following LI-ION batteries can also be used: LBX20, LBXR20, LB2X4020. Use only 0.065 inch (1.65 mm) diameter round nylon monofilament line. B&D recommends the AF-100 spool: Black & Decker AF-100 String Trimmer Replacement Spool with 30 Feet of .065-Inch Line.
Warranty: 2 years for home use.
The LST420 works so good that my corded weedeater may just hang on the garage wall all summer long.
HOWEVER, this thing is GREAT. It comes with two batteries so you always have on charged. And provided it's for personal use, you'll get weeks worth off one battery. Never have I come anywhere near close to going through both batteries in one day. It's strong enough that it can tackle anything you throw at it, and it just starts. No pulling a cord. No putting in gas. Just grab it, hit the button, and it's on and working.
Again, if you run a lawn service company, you probably don't want this. If you're just a normal guy with a normal yard, buy this. And tell people, please, only if we stand together can we all admit to using electric tools. :)