Description: - 【Material】: This Solar Panel Bag is made with Monocrystalline Silicon, which ensures a smooth surface, wear resistance, and anti . Its waterproof quality allows you to use it in any weather condition, be it rain or snow. - 【Foldable and Portable】: With 4 built solar panel, the Solar Panel Carrying Case can be folded into a flat panel as small as a phone. It is designed with hanging holes that can easily hang on your backpack using the provided climbing clip. - 【Eco Friendly】: By absorbing sunlight, the Foldable Solar Panel Case converts solar radiate into electrical energy so you can carry personal electronic devices during activities like hiking, mountain climbing, camping, picnics etc. - 【Solar Panel Functionality】: The solar panel absorbs sunlight through photoelectric or photochemical effects and directly or indirectly converts solar radiate into electrical energy. - 【 USB Charging Cable】: The Portable Solar Folding Panel can charge phones, phone, laptops and cameras. The cable is braided for durability and resistance to wear.Specification: - 30W: Folded: 28cmx19cm/11.02inchx7.48inch, Unfolded: 28cmx94.5cm/11.02inchx37.20inch - 60W: Folded: 28cmx19cm/11.02inchx7.48inch, Unfolded: 28cmx117.5cm/11.02inchx46.26inchSize Chart:Double USB output: 5V/2.0ADC output: 18V/2.22ANumber of solar panel: 4/6 timesPackage Includes:1 Set Solar Panel BagsNote:Please allow slightly errors 1-2cm differences due to manual measurement.