Black & Decker GH900 vs Black & Decker LST136

Priced below $50, this string trimmer is one of the most affordable units available on the market. If offers great value, since the powerful 6.5 A motor makes it a very good choice for all domestic trimming and edging tasks you might need to do.

The trimmer features a quite powerful 6.5 A motor that does a great job cutting grass and weeds. There shouldn’t be any problems when trimming overgrown grass and even light weeds.

The front-mounted wheel of this trimmer can become in handy when cutting near walls, so you don’t bump your trimmer into them.

Besides being a standard trimmer, it can be used as an edging tool. Just rotate the head, and you are ready to edge your driveway. The front-mounted wheel will help you move along and make a straight line.

You don’t need to worry about oil changes, dirty air filter, and gasoline. All you need is a solid 110V AC mains power outlet and an extension cord.

Since it is a single-line trimmer, it is easier to wind in the line without any unnecessary tangles that can happen with dual line trimmers.

The line feeds itself, depending on resistance felt, as you trim along. It is worth noting that the line needs to be winded tightly for this to work.

The trimmer has a 14 inch wide cutting path, which is one of the largest available in this price range. This saves time as fewer trimmer swings are required to get the job done.

The shaft and handle can be adjusted, so you can do all your work while holding it in a comfortable position.

This lightweight trimmer is extremely easy to use: just pull it out of the shed, check if the string is loaded, attach the battery, and you are good to go without any power cords, oil mixing, or spark plug cleaning.

Contrarily to what happens with gas string trimmers, there is no need to worry about oil, spark plugs, engine wear, or keeping extra gas.

With a quick turn of the shaft, the trimmer can quickly become an edger, complete with height guard to keep your edges even. Additionally, a built-in guide helps to keep the edge straight and even. It flips up out of the way when the unit is in trimming mode. Versatility like this eliminates the need to buy another tool just for edging.

Black & Decker provides spare parts and plans for this trimmer, so you can just order a new part and replace it yourself.

Since it is a single-line trimmer it is easier to wind in the line without any unnecessary tangles that can happen with dual line trimmers.

The line feeds itself, depending on the resistance detected, as you trim along.

The trimmer has a 13" cutting path, so you don’t have to swing it around as much as with trimmers with a narrower path.

The trimmer has six different power settings, allowing the operator to adjust the speed that's best suited to the current scenario.

The LED indicator on the battery tells you how much power is left, so you don’t have to do any guessing.

You can use batteries from other Black & Decker tools that use 40V lithium-ion elements, allowing you to swap batteries between tools whenever necessary.

Because of the adjustable shaft height, you can optimize the trimmer to a comfortable level, avoiding unnecessary back pain. However, due to its short length, it may no be very suited for tall users.

Weighing under 8 pounds, it can even be used by teenagers and seniors without risk of back pain.