Nekteck Solar Charger 12000mAh Rain-resistant Dirt/Shockproof Dual USB Port Portable Charger Battery Backup Power Pack for All USB Supported Devices, Black The first rain-resistant &shock-proof portable solar charger on the planet; Solar energy technology, environmental friendly and could recharge itself under sunshine for emergency purpose when outside;Shock-proof feature ensures the device working properly even it crashes or drops. Compact, portable & stylish design; Easily fits into your bag to provide instant power; Football grain design has anti-skid protecting effect ; Perfect for long flights, road trips, hiking, camping or whenever you need to charge your mobile devices wherever you are. Grade A cell, High Capacity, Build-in 12000mAh Lithium Polymer battery which chareges via a powerful 1.2W monocrystalline solar panel ;2.1A output allows for simultaneous charging of your devices at high speed Anti-explosion, lightweight, compact and reliable, 1000+ recharge cycles over the life of the battery. The LED flashlight works perfectly in darkness, especially for emergency. Just press the button twice, the LED will light up ; 4 LED status of charge indicators indicate the charging and discharging process. Li-Polymer battery, one of the safest battery in the world, which are not possible to explode even over-heated.