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After exploring an insanely huge number of articles and reviews by our dynamic AI & Machine Learning algorithms; and deep refining, analysis and rectification by our specialist high-tech gurus, the golden shortlist for the Best String Trimmers (2021) is finally assembled.

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In order to find the Best String Trimmers (2021), our dynamic platforms and experts have taken many parameters into account such as product usability, user-friendly features and give buyer satisfaction, defect and deficiency-free, conformance of standards, worthiness for money, reliability, quality of design, quality conformance to needs and guidlines, protection and safety, actual buyer satisfaction and many others. It is important to note that each user has different needs so please consider the below list as a guide and not as a gospel. Nonetheless, in the list below you can undoubtedly find the overall best ones despite your needs.

Our powerful platforms and specialist tech gurus work hard to provide you with the best product options. We are positive that our review assessment can help you simplify your purchase decision and choose among the absolute Best String Trimmers (2021).

Best String Trimmers

SaleBest Choice No. 1
WORX WG163 GT 3.0 20V PowerShare 12″ Cordless String Trimmer & Edger
  • Power Source Type: battery-powered
  • INSTANT LINE FEED Innovative push button Command Feed spool system for instant line feeding. Plus, Free Spools for Life!
  • BATTERIES ARE INCLUDED 2 powerful and lightweight 20V Power Share MaxLithium batteries come with this tool, and can be used on any other tool in the WORX Power Share family
Best Choice No. 2
DEWALT FLEXVOLT 60V MAX String Trimmer, Brushless, Two Speed, 15-Inch, 3-Ah Battery (DCST970X1)
  • Gear drive design of the edger/trimmer powers through tough overgrowth
  • High-efficiency brushless motor of the cordless grass trimmer maximizes run time and motor life
  • Lawn trimmer provides 15-inch cutting swath with 0.080-inch line (also accepts 0.095 inch)
  • Variable speed trigger with Hi/Lo speed control for added power or extended run time
  • Lightweight and ergonomic design maximizes control and minimizes stress on your arms
Best Choice No. 3
BLACK+DECKER 20V Max String Trimmer/Edger, 12-Inch (LSTE525)
  • Converts from trimmer to wheeled edger; Amp hour: (2) 1.5 ampere hour
  • Power drive transmission for increased torque
  • 2 speed control for more power or extended runtime. Line diameter: 0.065 inches; Cutting swath 12 inches
  • Easy feed allows you to advance your line with the push of a button with no bumping required
  • Part of the 20V Max system; 1 system endless tasks. Power for your style
Best Choice No. 4
DEWALT String Trimmer, 13-Inch (DCST925M1)
  • The edger/trimmer provides 13-inch cutting swath with 0.080-inch line
  • Gear drive transmission design of the cordless grass trimmer powers through overgrowth
  • Variable trigger with high/low speed control of the lawn trimmer is designed for added power or extended runtime
  • Lightweight, ergonomic and balanced design will help you move freely
  • Part of the 20V MAX* system of tools
Best Choice No. 5
EGO Power+ ST1521S 15-Inch String Trimmer with POWERLOAD and Carbon Fiber Split Shaft 2.5Ah Battery and Charger Included
  • POWERLOAD Head, load your line, push a button and go
  • Carbon Fiber Shaft with a Lifetime Warranty
  • 15” cutting swath
  • Dual-feed spiral twist 0.095in. Line
  • High-efficiency brushless motor
SaleBest Choice No. 6
Greenworks 5.5 Amp 15-Inch Corded String Trimmer, 21272
  • Lightweight, easy to use design, only 7.05 pounds
  • 15 inch cut path with pivoting head allows for edging and trimming capability with edging wheel
  • 0.065 dual line auto feed with electric start gets you going within seconds, no gas hassle
  • Ideal for small to medium size yards
  • Compatible GreenWorks replacement spool, model 29082
SaleBest Choice No. 7
BLACK+DECKER 20V MAX String Trimmer, 2-Speed, 12-Inch (LST522)
  • Automatic Feed Spool (AFS) feeds edger/ trimmer line as needed – without bumping.
  • LBXR2520 battery provides cordless grass trimmer 66% more battery capacity for longer runtime compared to LBXR20
  • 2-speed control lets you boost power or extend runtime of the lawn trimmer.
  • PowerDrive Transmission increases torque for more cutting power at the string.
  • Easily converts from trimmer to wheeled edger.
Best Choice No. 8
BLACK+DECKER BESTA510 String Trimmer
  • Automatic Feed Spool (AFS) technology of the edger/trimmer eliminates bumping for hassle-free line feeding that helps you work without interruptions
  • The 6.5 amp motor and power drive transmission of the grass cutter provide maximum performance when trimming through the toughest weeds, grass, and overgrowth
  • 2-in-1 trimmer/edger with wheeled edge guide – just rotate to convert from lawn trimmer to wheeled edger
  • Lightweight design with adjustable handle and height positions provide maximum comfort and control
  • Cord retention system prevents accidental cord disconnection
Best Choice No. 9
BLACK+DECKER 40V Max Cordless Sweeper & String Trimmer Combo Kit (LCC340C)
  • LST140 40 volt max string trimmer/edger with power drive high torque transmission for clean, fast cuts
  • Automatic Feed Spool AFS automatically feeds trimmer line as needed
  • LSW40 40 volt max sweeper a wind speed of up to 130 MPH easily clear debris from hard surfaces
  • Low noise design for quiet operation. Up to 130MPH
  • Both units offer a ‘state of charge’ indicator which shows your battery charge level. Products are compatible with our 36 volt lithium Ion system
Best Choice No. 10
Husqvarna 220iL 40-Volt Battery String Trimmer, Orange
  • [EFFICIENT] Husqvarna 220iL 40-volt battery string trimmer for all-around use
  • [COMPATIBLE] 40-volt battery is compatible with other tools in the 40-volt product line
  • [LIGHTWEIGHT] Lightest-in-class weight (only 10 lbs) plus precise balance make the 220iL easy to handle
  • [BOOST] Push-button boost mode delivers 25% more power to trim thicker grass
  • [CONTROL] Exclusive DualDirection rotating head helps to safely control clippings and debris

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