The compact solar charger from Knog offers an endless supply of clean, renewable energy. Use the charger to power your phone, smartwatch, tablet, or GoPro, or first store the energy in an external power bank for later use. As expected from Knog, the PWR Solar 10W is packed with technology and features. This results in this solar charger being superior to all other comparable chargers on the market. With its compact, lightweight, and durable design, the PWR Solar 10W is the perfect choice for rugged outdoor explorations, whether by bike or on foot.