It happened to all of us, you are out in a sunny day, checking your phone, chatting with your friends, suddenly no more battery. Well, problem solved with this device. Stick that thing on a window or just place it in front of a sunny sky and it will generate enough power to recharge your smartphone for free only using solar power.
Output Interface: USB
Compatible Brand: Universal
Input&Output: 5V 1A
Battery type: Lithium ion polymer battery
Input Interface: Micro USB/AC