The ultimate portable charging system, with on board dual long-life Li Ion battery and 2x USB outputs for multiple devices. High solar collectivity even in less than full sun conditions Durable, flexible solar panels fold up into a compact and easy to pack protective case Power gauge provides easy to read battery level indicator 2x USB Outputs for charging multiple devices 1x Micro USB for charging from a wall outlet Bushnell Tactical Bushnell PowerSync SolarBook 600 PP1060