Lightweight and dependable, the AP 100 battery can help you get even more done On A Single Charge™. With up to 25-percent-longer run times than the previous model, the 36-volt AP 100 weighs just under two pounds and connects to multiple STIHL tools, including extended-reach hedge trimmers, pole pruners, line trimmers, chainsaws, and blowers. The casing gives the battery a weather-resistant design for operation of tools in adverse weather conditions. The AP 100 retains over 80% capacity even after 500 charging cycles, making it a great choice for quality, dependability, and performance.