The AP 300 S battery continues to build on STIHL's robust technology, improving in two key areas - power output and energy content. With an energy content rating increasing from 227 WH to 281 WH and power output being raised from 1.8 KW to 2.1 KW, the AP 300 S Battery will appeal strongly to current and future users of STIHL's AP Series of battery tools. The improvements to the AP 300 S Battery will also allow for a 25% increase in working time compared to the current AP 300 Battery. The increase in performance is sure to impress any pro battery tool user. The new charging level indicators, along with an ability to work easier in rainy conditions, will help make the AP 300S a must have.