The 16 in. RYOBI 18V ONE+ HP Brushless Mower easily starts with the push of a button and mows up to 40-minutes or a ¼ acre or less with both included batteries. The premium HP brushless motor provides more power, longer runtime, and a longer motor life. Simply insert the included battery and you're ready to mow in-seconds without the hassle of gas or oil. This mower includes convenient features like a single point height adjustment, 2-in-1 mulching and bagging functions, and easy lift bag removal. The compact, lightweight design makes it easy to carry from one place to another, and the handles fold for convenient, vertical storage when the job is done. This mower is also equipped with (2) 4.0 Ah batteries and charger that are compatible with over 260 RYOBI 18V products. This tool is backed by a 3-Year Limited Warranty.