If you like hiking, camping, hunting, fishing, or backpacking trips, then you already know that your smartphone’s battery will run out exactly when you need it the most. This powerful charger will make sure you won't go through that nightmare again! With 4 solar panels and a huge 10,000mAh battery, you can recharge your phone, tablet, action camera, MP3 player, GoPro, and other devices without any need for an electric outlet. It also features Smart IC technology which automatically identifies your device and its charging speed in order to prevent over-charging or short circuits! The solar panels are completely foldable so you won't have to worry about added bulk.