PowerPlex, 40V, 13", Cordless, Max String Trimmer/Edger, Well Designed, Easy To Use, Minimal Maintenance, Touch Of A Button Start, Variable Speed Trigger & Automatic Line Feed, Heavy Duty Line Make This Tool A Breeze To Use, With 90W Hours, T90 Battery Provides Up To 45 Minutes Of Run Time, Battery Charges In Approximately 60 Minutes In The Quick Charger.