The EGO POWER+ Multi-Head 16" String Trimmer with POWERLOAD(TM) technology automatically winds your trimmer line. Replacing your cutting line is as easy as feeding the cutting into the head and pressing a button-getting you back to work in seconds! The Power Head is compatible with the full range of EGO POWER+ Multi-Head attachments to cut, trim, clear, and more. It features a quick-release adjustable handle for ultimate control and a durable carbon fiber shaft backed by a lifetime warranty. The Power Head's digital speed selector and indicator paired with a variable speed trigger and lock off delivers maximum control. Powered by EGO 56V ARC Lithium batteries, the Multi-Head 16" String Trimmer with POWERLOAD(TM) will run up to 45 minutes on a single charge with the included 4.0Ah battery. Experience Power Beyond Belief(TM) without the noise, fuss, or fumes. | EGO POWER+ Multi-Head Battery 16" String Trimmer Kit