High Conversion Efficiency: The solar panel converts up to 23% of sunlight into solar energy, charging your solar generators even on cloudy days Smart Sunlight Alignment: Equipped with Anker's proprietary Suncast technology, adjust the solar panel properly to capture direct sunlight for maximum charge Highly Durable: The solar panel is scratch and weather-resistant to last as long as your adventures do What You Get: Anker 625 Solar Panel (100W), solar charging cable, XT-60 To DC7909 connector, welcome guide, our 18-month warranty, and friendly customer service More Sunlight, Longer PowerThe panels offer solar conversion efficiency of up to 23% when set in direct sunlight. Recharge even faster by chaining multiple panels in a series.Smart Sunlight Tracking SystemWith Suncast technology's guidance, adjust the panels properly for optimal solar charging.Built to LastDesigned to withstand scratches and poor weather, the ultra-durable solar panels are ideal for the outdoors and come in handy