1.Battery type : Li-polymer battery 2.Capacity: 6600mAh 3.Price:$16.5-20 4.Full capacity battery 5.A Grade Cell 6600mAh Universal ... Output: 5V ,2.1A (Max)Size:112*73*17mmCompatibility:Port 1: Cell phone, Phone, MP3/4,Pod,PSP,all digital devices charged via USB ... the same time.3,Full compatible with the most popular cell phone, smart phone etc.4,Attractive modern design, ABS material.5,Powerful ...