The STIHL RMA 510 battery-powered lawn mower delivers the power of a gasoline mower without the hassle of gas. This battery-powered model offers instant starting, less noise, and zero emissions, making it ideal for small to medium suburban yards. It features a 21" steel mowing deck to cover more ground faster, along with a storage slot for a second battery to extend run time. The STIHL RMA 510 battery-powered lawn mower also includes an adjustable handlebar, a grass catcher, and large rear wheels for navigating rough terrain.