Koral 12W Solar Portable Charger - 12W 2-Port USB Solar Charger with intregrated 10400mAh Battery Power Bank for iPhone X, 8, 7, 6, iPad, Kindle, Samsung Galaxy & More (Black) Features sunpower solar panels which provide industry leading solar Conversion efficiency, Plus an Integrated 10400Mah Lithium polymer rechargeable power bank Intelligent charge technology ensures your Device gets the fastest charge possible while safeguarding you with voltage and over-charge protection Designed to be durable and weather resistant with PET laminated solar panels Integrated into a tough, Industrial strength Fabric Portable and light-weight, its easy to attach to your backpack or simply fold it up and go Includes a Koral 12-month limited warranty