... : 5V ,2.1A (Max)Size:112*73*17mmCompatibility:Port 1: Cell phone, Phone, MP3/4,Pod,PSP,all digital devices charged via USB ... /discharge over 1000times. It's really a multi-function battery bank for Pad/Phone, Samsung P1000 and cell phone, MP3, MP4, GPS, PSP all digital ... the same time.3,Full compatible with the most popular cell phone, smart phone etc.4,Attractive modern design, ABS material.5,Powerful ...