Newly designed Solar Backpack integrated with 10W Sunpower solar panel and latest model of Intelligent Solar Charge Controller from Shenzhen Megasolar.
Smart controller 5v 1.8A max. USB output, for faster and more smooth charging to iPhone, Android cellphones and all 5v compatible digital products.
External dimension: 16"L*5.9"W*20"H for 17-inch laptop Mackbook computer and others.
Multifunctional backpack. If with good sunlight,can realize instant outdoor charging to iPhone and Android cellphones. Also best choice for latest style travel bag, laptop backpack, hiking bag, young people favored bags.