Efficient Solar Charging Solution: This 28W solar panel utilizes premium single crystal cells with high transmittance ETFE coating, achieving excellent 25% energy conversion Ideal for energizing phones, tablets and efficient units during outdoor excursions or unexpected scenarios snowproof Build: Constructed with ETFE laminated panels and IP67 rating to resist rain, and challenging conditions Robust design maintains consistent action for outdoor applications ( junction box has basic weather resistance Comprehensive Accessory Set: Includes 30W solar panel, user guide, carabiners and a multi purpose charging cable Complete package ready for immediate outdoor use in sunny conditions to meet various power requirements Two USB A Charging Ports: Features two rapid USB A ports ( 18W each) with intelligent IC technology for simultaneous multi device charging Excellent for camping, hiking and fishing adventures requiring multiple device power Space Saving Foldable Design: Lightweight foldable structure ( 7.8x11.6 inches when folded) weighing just 1.1lbs, with sturdy metal attachment points for securing to backpacks, tents or trees Essential for mobile camping and wilderness trips, Manufacturer: Whoasyst