The Greenworks 40V lithium-ion platform powers over 40 outdoor products, including lawn mowers, blowers, string trimmers, chainsaws, hedge trimmers, and much more! The 40V lithium-ion battery provides the power you need, and delievers fade-free power with no memory loss after charging. The outdoor power equipment allows you to tackle up to 1/2 acre with the available 2Ah, 2. 5Ah, 3Ah, 4Ah, 5Ah, and 6Ah batteries. USB ports are integrated into the BAF701, BAF702, L-300, BAF704, BAF705, L-600 batteries, making it a portable charger for phones, tablets, and other compatible electronic accessories. The Greenworks 40V platform comes with a 3 year tool / battery to protect your investment