Greenworks PRO 16-Inch 80V Cordless String Trimmer (Attachment Capable), Battery Not Included GST80320 Up to 45 minutes of run time with fully charged 2.0AH Battery, battery not included DigiPro brushless motors are more reliable and delivers gas equivalent performance to a 32cc gas engine Split boom design accepts most gas attachment, includes 14/16 inch string trimmer bump feed attachment Easy load head for quick trimmer line refill and special feature is self winding spool head Battery and charger not include, compatible battery and charger models GBA80200, GBA80400 and GCH8040 Kindly refer to the Installation video for more information on the Greenworks PRO family of tools