a spare battery for electronics 1.output current:2A 2 ... output port 4.Smart charging circuit design a spare battery for electronics1.output current:2A2.Capacity: 4.5ah3 ... Application: Micro-projector , Mobile phone, iphone / ipod / ipad , Tablet PC , DSC , DV, E-Book , MP4, GPS , PSP , PDA ....... ... and easy to operation 9. Attractive appearance SF1800R2 battery, USB to Micro USB cable,Micro USB to Mini ...