ProDeals7W Portable Foldable Solar Panel Bag/ Ultra-compact Electric Power Generation USB Solar Charger/ Energy Efficient&nbsp;Monocrystalline Silicon for Phones/ Power Bank/ External Battery Charger (Mini Size; Black) Where there is a sunlight there is an electric power. No need to worry your phone will be out of juice when camping or climbing. Power your devices from solar, recharge external battery and other backup power anywhere including home, lawn, garden, cycling, camping, hiking trip on the go etc. Widely compatible with iPhones, iPods, samsung galaxy series phones, other smartphones, ebook readers, gopro cameras, GPS and more other 5V USB-powered devices. Ultra-compact and superior portability. Lanyard-hole design makes it convenient to attach on backpack for use on the go. PET plastic laminate and PVC water-proof material to ensure weather-resistant and durability.