The STIHL AR 3000 L backpack battery was designed to do morethan just deliver reliable and consistent power to AP battery-powered tools. Innovative design and durable construction make the AR 3000 L a key asset to any pros STIHL AP battery-powered lineup. With the ability to operate in the rain and to last for up to 1500 charge cycles, this battery can handle a range of weather conditions now and for a long time. Additional features like a USB charging port for smartphones and other devices improve the productivity of the tools and users.