Portable Power Solutions POWER MAX Solar Charger (Red) Internal Lithium-Polymer Battery provides upto 4 charges on modern smartphones Built-In Poly Crystalline Silicon Solar Panel on the front of the Solar Charger helps replenish the monsterous internal battery whenever sunlight is available, can also be charged from any USB port The POWER MAX Solar Charger is the perfect holiday gift for the adventurous member of your family High Power output 5V 2.1A(max) allows you to charge all of your USB powered devices while you use them, upto 2 devices at the same time Package contents: Portable Power Solutions POWER MAX Solar Charger, USB cable, and Portable Power Solutions user guide. (Micro USB, Apple 30 pin, and Mini USB adapters included.)