Sturdy solar power bank with nonslip sides for outdoor use such as hiking and mountaineering Solar panel for charging support and extended battery life The power pack is attached to the hiking backpack with a carabiner hook. The power bank has a builtin compass and torch with SOS function thanks to the 2 superbright LED lights. 2x USBA ports make it possible to charge 2 mobile devices at the same time The practical LED status display indicates when the battery pack needs to be recharged. The compact dimensions make the solar power bank the ideal companion for on the go.