2FSK007 Solar Backpack Component Advantages • Backpack is concise, durable, strong practicability.• Lightweight, Portable, Easy to use.• High efficiency, rapid charging, balancing technology.• Strong weatherability, wide range of application.Solar PanelPower of Solar PanelUSB OutputWeightSize of Solar PanelSize of BackpackFlexible Monocrystalline Silicon Solar Panel5W5V / 2.0A max160 g275mm*160mm*11mm530mm*390mm*160mmRemarks： Above charging time are subject to the standard test conditions（STC light Intensity 1000W/㎡, AM1.5, 25℃.）Safety. It can avoid overcharge, over discharging, over-load protection, short circuit, etc with multiple circuit protection system.High capacity. It can fully charge your smart phone many times.High quality. All our products must be strictly tested before leaving factory.Popular. Built in storage,waterproof,sunsreen and anti-broken.