Greenworks PRO 16-Inch 80V Cordless String Trimmer, Battery Not Included ST80L00 Up to 45 minutes of run time with fully charged 2.0AH Battery, battery not included Digital Pro brushless motors are more reliable and delivers gas equivalent performance to a 32cc gas engine Easy load head for quick trimmer line refill Battery and charger not included, compatible battery and charger models GBA80200, GBA80400 and GCH8040 Rapid Charge of 30 minutes for 80V 2AH battery