It is a wireless charging power bank designed with a 20,000 mAh battery capacity.It is further enhanced with its own built-in solar charger to recharge the battery when there are no power outlets available,which is certainly valuable especially when you are in the great outdoors or going off the power grid for a while.It is also tough and durable.It is rated IP65 waterproof and dustproof,ideal for use even in harsh environments.The power bank also comes with a 786 lumen LED light.It can be used as a light source at camp sites or can be an essential signaling tool in the case of an emergency.