Lawn care

Best Cordless String Trimmers in 2021

Day to day trimming gives your garden a beautiful look, but cutting the grass in tight places with old cutters may create so much headache and consume your precious time.

A string trimmer is a great solution to cut the grass of every tight space in your garden.

Although string trimmers have various types in the market but battery trimmers are much better than many others since you don’t need any cord or any gasoline to operate these cordless timmers.

Sataturf reviewed the 5 best cordless trimmers in the market so will you select your winning trimmer in just a few minutes.

Top 5 Best Cordless String Trimmers for 2021

  1. BLACK+DECKER (LST136)Best Trimmer / Edger
  2. PowerSmart PS76110ABest Budget
  3. CRAFTSMAN String Trimmer / EdgerBest for small lawns
  4. Earthwise Cordless String TrimmerBest lightweight
  5. RYOBI Lithium-Ion Cordless trimmerBest overall

Here are detailed specifications of each product.

1. BLACK+DECKER (LST136)Best Trimmer / Edger

Our first recommended product comes from an authorized company called Black Decker, so you don’t need to be worried about the quality of their product. It is a 13-inch cordless string trimmer/edger. Soft grip handle with an instant start trigger for more comfort and the ability to easy to use. You can effortlessly adjust the runtime and power with power command capability. Easily convertible from a trimmer to an edger.

A 40V Max lithium battery is sufficient to provide a comprehensive trimming solution for your lawn, even if it is small or large. The battery meter gives you information about the remaining percentage of the battery. Other than that fast charger ability including with this trimmer so you can easily get back to your work in less time. Muscular power is also there to handle the tough and overgrowth weeds.

Quick Specs

  • Dimensions: 46.5 x 13.5 x 11 inches
  • Weight: 7.8 pounds
  • Cutting Width: 1300 inches
  • Battery capacity: 40Volt
  • Shaft length: 52 inches


  • Very comfortable handling
  • Easy to start
  • Battery meter
  • Have the power to tackle the hard work


  • Few plastic parts inside
  • The variable speed knob is glitchy
  • Lack of battery drain on high setting

2. PowerSmart PS76110ABest Budget

Most of the homeowners have small yards and they don’t require any heavy-duty product to trim the whole garden.

This is the cheapest trimmer on our priority list but has many good features.

One 5Ah battery capacity is enough in light work.

Adults and old guys both can easily work with it since it has 7.5 lbs of total weight. 

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Convertible capability lets you quickly change this trimmer into an edger.

10 inches of cutting diameter (and line diameter: 0. 065) is not much but ok in this price section.

The auto-feed spool system used for instant line feeding.

The company also provides the warranty feature to the building tools, other than that the customer support is there to help you in 24 hours. 

Quick Specs

  • Dimensions: 24 x 9 x 6 inches
  • Weight: 7.5 pounds
  • Cutting diameter: 10 inches
  • Line diameter: 0.065 inch
  • Battery capacity: 20Volt (1.5Ah)


  • Highly cheap price
  • Professional features
  • Ergonomic design
  • Lightweight


  • Manual string to pull
  • Tiny spool
  • Not great for commercial use

3. CRAFTSMAN String Trimmer / EdgerBest for small lawns

Craftsman is a well-known brand name, providing quality in their product.

This model comes with 2 controllable speed settings, if you have to do some light work but have a large garden you can lower down the power option for more battery timing or you can choose the more powerful option if you are cutting the tall grass in your garden.

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0.080-inch twisted line feed can be controlled with a simple push-button.

It’s your choice to use this thing like a trimmer or an edger.

Different height positions required an adjustable handle.

A 13-inch cut swath gives you the best cutting range to make your work less time-consuming.

3-year warranty provided by the company to make you sure about the quality.

Quick Specs

  • Dimensions: 44.5 x 6.87 x 10.12 inches
  • Weight: 6.3 pounds
  • Cutting swath: 13 inches
  • Line feed: 0.080 inch
  • Battery capacity: 20Volt (4.0Ah)


  • Versatrack compatible
  • Push-button, feed to control your line
  • Adjustable length pole
  • Many happy customers


  • Plastic made
  • Not recommended for heavier grass
  • Short battery life

4. Earthwise Cordless String TrimmerBest lightweight

This 10-inch trimmer is provided by Earthwise. 20v battery system is also compatible with other Earthwise products.

It is very easy to adjust the shaft on your comfort level, it also has the feature of a telescopic pole.

Battery-powered this trimmer doesn’t require much maintenance like many other gas trimmers.

Cordless and the extreme Lightweight ability gives the most of its benefit to the old age owners.

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This thing also comes up with a comfortable handle that is molded with a non-slip rubber grip to provide you a better control ability.

There is a spool, 0.065 nylon line, and a Flip-down edge guard to make your edging experience way better while trimming the edges.

Another helpful feature about this trimmer is that it comes with 3 adjustable cut positions so you can fix it according to your needs.

The battery lasted about 45 minutes, so you can easily trim your small or large lawn.

Lastly, the most important thing, a 2-year tool warranty, and 1-year on the battery.

Quick Specs

  • Dimensions: 50 x 16 x 11 inches
  • Weight: 6.3 pounds
  • Cutting Width: 10 inches
  • Nylon Line: 0.065 inch
  • Battery capacity: 20Volt (2.0Ah)


  • Low priced
  • Extremely Lightweight
  • Excellent handle grip
  • Less assembly required


  • Spools are too large
  • Battery backup is not enough for heavy usage

5. RYOBI Lithium-Ion Cordless trimmerBest overall

Time to take a new brand, we have found that Ryobi is another growing brand in gardening tools so we will select a 40V trimmer by Ryobi because it has some positive feedbacks and great features.

Power like a gas trimmer without the hassle of oil and gas, this trimmer comes with a 40V battery system and provides you 90 minutes of backup.

There is an easy bump feed string head to make your reloads faster.

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The wider cutting range for large yard owners to save a lot of time (adjustable from 13 in. to 15 in.).

Cutting can also be controlled in this trimmer with the variable speed trigger.

A cool feature about its battery is that it is interchangeable with other Ryobi tools.

The company claims that this trimmer is recommended for up to a 1-acre yard.

Quick Specs

  • Dimensions: 44.5 x 6.87 x 10.12 inches
  • Weight: 13.37 pounds
  • Adjustable Cutting width: 13 in. to 15 in
  • Twisted line: 0.080 inch
  • Battery capacity: 40Volt (4.0 Ah)


  • Easy switching
  • Less assembly required
  • Great battery backup
  • Compatible battery with other Ryobi tools


  • Not that much lightweight than Earthwise trimmer
  • Not recommended for left-handed person