Attach the AP 300 Lithium-Ion Battery to any tool in the series and run for a professionally long time, in more types of weather.The redesigned AP 300 battery from STIHL is the answer for professionals who need a water-resistant battery, long-lasting power and a good power-to-weight ratio to get the job done. Outdoor work on rainy or wet days is less problematic with the battery’s new casing, which provides water resistance*. The AP 300 connects to multiple tools, including extended-reach hedge trimmers, pole pruners, chainsaws and blowers, and weighs in at just 3.8 pounds. This high-performance battery runs at full speed until the battery is depleted – there is no gradual drop in power. Plus, it retains up to 80 percent of its power, even after 1,200 charging cycles. The AP 300 provides 140% greater energy content than the AP 100, and powers a wider range of products, all while in a compact design.*When paired with tool suitable for wet or rainy conditions. Tools that are suitable for rainy or wet conditions should be dried after use.