Nekteck Solar Charger 10000mAh Rain-Resistant Dirt/Shockproof Dual USB Port Portable Charger Battery with High-Efficiency SunPower Solar Panel Backup Power Pack for All USB Supported Devices, Black Built with high effeciency SUNPOWER Solar Cell panel, the power conversion rate increases up to 21%-24%, providing more power to recharge internal battery than ordinary solar charger. 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 10000mAh Lithium Polymer battery which chareges via a powerful SunPower 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.