Make yard work easier with the Black and Decker LST136 40V Max Lithium String Trimmer With Power Command. This powerful tool makes fast work of trimming hedges removing weeds and more. The cordless string trimmer powered by Black+Decker s high-powered 40-volt lithium battery system which offers power excellent runtime and the versatility to share batteries with other tools within the system. PowerCommand dial to choose between max power to tackle thick weeds and max runtime to increase battery life. 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 ensures continuous work without bumping and having to stop to adjust the spool. The Black + Decker 40V trimmer easily converts to an edger with a turn of the shaft delivering more power from the motor to the cutting string so you can get the job done faster. An included Fast Charger takes just two hours for a full charge.