Greenworks 40V 15 inch Straight Shaft String Trimmer 2.5Ah Battery and Quick Charger Included 2111802. Perfect for yards up to 1/2 acre . Greenworks 40V tools are lightweight . start instantly . and require virtually no maintenance (no oil changes . no air filters . no gas cans . etc.); but still deliver gas-like power. With a collection of more than 40 lawn tools . one battery powers all the tools you need. Greenworks offers a range of systems to choose from in corded and cordless tools. Leading in innovation . the cordless lawn system offers a variety of tools to get all your yard work done quickly and efficiently. Whether you need something economical or with greater performance . the Greenworks Cordless Lawn Tools provide reliable options without the hassle of gas or the high cost of operation throughout the years. Get started within seconds and leave the gas hassle behind. Choose from trimmers . chainsaws . mowers . snow throwers . pressure washers and more.