Camping Power Bank is an ultra-compact portable power bank that stores and charges your electrical devices in the great outdoors. and supports pass-through charging so that you can charge your phone and the power bank at the same time.Camping Power Bank is the best solution for your power problem in camping. This portable power bank is light weight, compact and easy to carry around with you. It’s also compatible with all USB enabled devices such as smartphones, GPS units and other digital gadgets that you want to charge.