Greater battery capacity to cover your needs for the bigger jobs is offered by the AP 300 S Lithium-Ion Battery from STIHL. The AP 300 S features a 25 percent increase in battery capacity over the AP 300, equaling up to 25 percent longer run time, as well as an enhanced power-to-weight ratio and a weight of only 3.9 pounds. Water resistant,* the AP 300 S is compatible with a wide range of tools, including extended-reach hedge trimmers, pole pruners, chainsaws, and blowers.