Model No. LST540

40V MAX* Lithium High Performance Trimmer/Edger with Brushless Technology

With Brushless Technology for More Power and 30% Longer Runtime*, this battery-powered trimmer/edger can tackle tough overgrowth and heavy weeds. At only 7.5lbs, this lightweight and ergonomic design also features a variable speed trigger to easily control speed and power. *On average, vs. LST136.

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Stop Making Excuses With
40V MAX*

Help Tommy Find His Swingset

Let’s face it: There’s a lot to do out there. But with the BLACK+DECKER 40V MAX* system behind you, you’ll have the power to get more done on a single charge. C’mon! It’s time for Tommy to enjoy that swing set—without getting lost in the grass on the way.
Choose max power to tackle thick weeds or max runtime to increase battery life with the variable speed trigger.


Features + Benefits

  • Brushless Motor Technology provides more power and 30% longer runtime**
  • High Performance 40V MAX* Lithium Ion Battery with state of charge indicator to show battery charge level
  • The POWERDRIVE™ Transmission delivers more power from the motor to the cutting string so you can get the job done faster
  • The Automatic Feed Spool - AFS® automatically feeds trimmer line with no bumping required
  • Variable speed trigger for control over power and runtime
  • Wide 13 inch cut swath cuts a large area per pass
  • Easily converts from trimmer to edger with the push of a button
  • Telescoping aluminum pole with quick release adjusts quickly for optimal cutting position
  • *Maximum initial battery voltage (measured without a workload) is 40V. Nominal voltage is 36.
  • **On average, vs. LST136
Black and Decker - 40V MAX Lithium High Performance TrimmerEdger with Brushless Technology - LST540

Product Specs

Cutting Swath 13 in
Feed System AFS
Line Diameter 0.080 in
Power Source Lithium Ion Battery
Replacement Accessories SF-080
rpm 0-7200 rpm
System 40V MAX*
Weight 7.4 lbs
  • Trimming and edging yard up to 1 acre
  • Trimming heavy weeds and grass
  • Edging along sidewalks, driveways and patios
  • LST540 Brushless String Trimmer/Edger
  • (1) LBXR36 40V MAX* High Performance Lithium Ion Battery
  • (1) LCS36 40V MAX* Fast Charger
  • (1) SF-080 AFS Spool with 0.080in diameter line
  • (1) Auxiliary Handle
  • (1) Guard