Exclusive iSolar and Fast Charging Technology: It can automatically adjust the current and voltage to achieve maximum power, delivering its fastest possible current up to 2.5 amps per port or 3 amps overall under direct sunlight
High Efficiency: 21W Sunpower? solar cell is made from US, up to 22%-25% efficiency, while most panels in the market are 15% efficiency or even lower
High Quality: The canvas is created to withstand rugged durability for outdoor use. PET laminated solar panels with high-wear PVC fabric, ensures waterproof and weather-resistant durability.
Highly Portable: Compact size(5.9x11.8x0.8inch folded or 18x12x0.1inch unfold, 16.6oz) and convenient eyeholes enable easy attachment to backpacks while hiking.
Package Contents: ALLPOWERS 21W Foldable Solar Charger, carabiner, micro USB cable, instruction manual, 12 Month Worry-free Warranty