The AR 2000L is a high capacity Lithium-Ion backpack battery built for comfort. The high capacity and energy content will give you plenty of run time to power your PRO cordless tools Sturdy housing with base and charge level indicator (six LEDs), comfortable and ergonomic harness with integrated carry handle and rain protection cover. 1,015 Wh battery energy, weight 7.4 kg. This set includes the Carrying System, AP Adaptor and the Connecting Cable.