Black & Decker LST220 12-Inch Weed Eater/Wacker


With the advent of string trimmers, the task of keeping garden clean and well maintained has become easier. All those tasks that seem to be impossible have now become possible to accomplish. Since people are environmentally friendly and do not wish to create noise pollution, they prefer to purchase battery powered trimmers as they are not just quite but are portable as well.

They work with low noise levels and keep the environment clean. One of the best products in this category is introduced by Black & Decker entitled as LST 20-volt 12-inch GrassHog Cordless trimmer or edger that operates on a lithium ion battery of 20 volts. This product has different advantages to offer, irrespective of the fact that it has been launched by an experienced and reputed company.

Key Features:

Black & Decker 12-inch Grasshog trimmer has following characteristics:

  • Maximum battery voltage of 20 volts, while normal voltage is 18 volts.
  • 20 volts lithium in battery can hold it power up to 5 times longer as compared to Black & Decker HPB eighteen batteries, offering long-lasting battery to achieve a number of tasks.
  • Premium PowerDrive Transmission provides greater power from motor to its cutting string, thus making it more efficient to complete the jobs faster.
  • Immediately starts with just one pull of the trigger
  • Desired cutting, edging or trimming results without much hassle and mess.

Black & Decker LST220


Battery power:

The 20 volts lithium ion battery is provide with a lifespan more than NiCad batteries and contains charge retention capability. Users will be able to work more efficiently with just one charge and remains charged for a comparatively longer time period if not in use. Normally, the manufacturer provides 2 batteries with this product that helps in increasing the time of operation and assist customers in completing their tasks quickly.

Smooth operation

Shifting from edging operations to trimming or vice versa requires users to do cutting effectively and therefore, most of the people find it easier to use it. Also, users will not have to bump in order to release the string or fix the string spool. Its automatic feed spools sustain the optimal length of string automatically. Because of the installed battery, users will not have to tackle with the power cord to perform different gardening tasks.

Better performance:

The built-in PowerDrive transmission makes this trimmer capable to provide more power to its cutting string from the operating motor, thus making it stronger to work on tough weeds as well.


Black & Decker has provided two years limited warranty with this good weed eater that is for both battery and the equipment. Also, the charger in the pack is Energy-star qualified.


So far, users have found two main disadvantages of using the Black & Decker LST220 string trimmer:

Shorter battery life

Even though the trimmer has two batteries, both are not as efficient as they were expected. Most of the users complained that their batteries become useless right after 3 or 4 months from their purchase. Just because of this reason, they had to spend hundreds of dollars but still the results are not received as desired.

Cord diameter

It is another drawback that always becomes a problem for the users. The cord diameter is a bit daunting and most of the users find it difficult to manage the trimmer when it is in operation.

How to use it best?

The Black & Decker 20 volts, 12 inches Cordless weed whacker is best when users have to trim tough weeds or they wish to edge the driveways or sidewalks. Since it is an environmentally friendly weed whacker, users can operate it in the way they want and even carry them wherever they are going.

Who this product is best for?

The Black & Decker LST220 edger/trimmer is perfect for house owners who wish to maintain their gardens and beautify them as per their requirements. Because of its double battery backup, lightweight, smooth operation and efficient batteries, it would be a perfect match for people who have to work for a longer period of time

What people are talking about it?

For most of the people, the Black & Decker GrassHog 12-inch trimmer is a precious asset as they have been using it for a couple of years and didn’t yet find any issue throughout their journey. It has managed to fulfill all types of their edging as well as trimming needs.

One customer stated that she has been using it from the last 11 years and is still quite surprised with its efficiency and capability to yield the required results. Another customer appreciated its easy and quick trimming that has always facilitated him to keep his lawn beautiful and well-maintained.

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All in all, the Black & Decker LST 20-volt Cordless weed trimmer is a great invention that works to satisfy all types of its users’ needs. Its automatic feed spool enables users to derive outcomes in the way they wish to see. Hence, if you also want to do some gardening work and not yet purchased a trimmer, give it a try and see how efficient it is.