MST1603 EGO 56V Power+ Multi-Head 16" String Trimmer With Powerload Technology KitTech Specs Includes the Power Head (PH1420) with POWERLOAD String Trimmer Attachment, 56V 4. 0Ah battery, 320W charger, and shoulder strap Up to 45 minutes of runtime with the included 56V 4. 0Ah ARC Lithium battery POWERLOAD technology allows you to feed the line, push a button, and get back to work in seconds Lightweight and durable carbon fiber shaft backed by a lifetime warranty Digital two speed selector and indicator Variable speed trigger with