... Output 5V/500mA(MAX)Nominal capacity2600Mah, 3.7V/10WHAdaptable forIpad/iphone/ipod/ Mobile phone/MP3/MP4/PSP/GPSSize20.3mm(diameter) ... Technology Co.,Ltd. specializing in research , manufacture and distribution of high quality Li-ion battery, was founded in 2006. ISO ... military fields, etc.Most of our products passed CE, UN38.3, MSDS. 2600mAh Portable Power bank for Iphone 4,all kinds of Mobile phone