Portable Ultra-thin DIY Flexible Solar Panel 1W 6V 750MA Rechargeable Battery for Moble 19.580.1CM (transparent) Ultra-thin:Compact size (19.5*8*0.1cm) ,weight:27g ,highly portable Waterproof:high quality material,sturdy and durable ,Sealed high and long service life ,will not fall off,applies to any occasion that can be exposed to direct sunlight Sufficient Energy:not is disposable battery, 60 years of continuous useis good back up power Foldable:the biggest advantage, can be folded, as show picture, it is unmatched by other products Apply:use your imagination to create a variety of products, solar charging clothes,solar panel phone charger,power for outdoor wireless sports headphones,UAV power supply,and so on