Solar Charger, Solar External Battery Pack, iBeek&reg; Portable 12000mAh Dual USB Solar Battery Charger Power Bank Phone Charger with Carabiner LED Lights for Emergency&nbsp;Cell Phones Tablet Camera (Orange) 12000mah High Capacity: Built-in 12000mAh high capacity polymer battery equipped with a compact solar panel, which could recharge the battery itself under sunlight for emergency purpose while outdoor. Dual USB Charger Ports: 2.1A USB port for iPad/Tablets. 1.0A USB ports for smartphone or other devices; can charge two devices simultaneously, support all digital electronic devices with 5V/1A-2.1A input. LED Flashlight/Emergency Light: The LED flashlight works perfectly in darkness, especially for emergency. Just press the button twice, the LED will light up for flashlight mode. press again, the LED will flashing for emergency. Superior portability design: Easily hang it on your bagpack with the INCLUDED HOOK, hands-free on the go. Perfect for hiking, climbing and other outdoor activity. The efficiency of energy transformation from solar to electric energy is only 8%. Please do not take solar as primary charge source. As a backup emergency power bank, solar is mainly for topping off the unit, we highly recommend charge it from electricity source.