Capacity :2200mah                                                        
Input : DC 5V/800mA/Lightning                                            
Output: DC 5V /500mA/Micro                                          
Charging time  : 6 hours                                              
Standby time  : up to 300hours                                          
Talk time :up to 7 hours  on 3G                                                                              
up to 16 hours on 2G                                                   
Internet Use :up to 7 hours  on 3G                                 
Audio play : up to 40 hours                                              
Vedio play : up to 13 hours                                      
Dimension  : 135.8x61.25x14.2MM

The power pack will extend the battery  Your iphone bydoubling its charging capacity . Enjoy your iphone for voice  . music. viedo . game and business applications with extended .stable power . you can experence up to two days or more of uninterrupted iphone power  . depending on your usage .