... :EM-6600 3.Capacity:4400mAh 6600mAh 5V Portable Power bank Charger for iphone/ipad with double USB SpecificationsWeight: 150gCapacity: 4400mAhCell type: Lithium-ion battery ... devices with a USB interface s,uch as mobile phone, iPhone, PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras. usb ... portable power table battery pack 6600mAh 5V Portable Power bank Charger for iphone/ipad with double USB