This is a iphone 3G/3GS battery,with MFI apple certificate of authority.

Specification:

 # This product made up of lithium battery,1pcs PCB board, and housing

 # Color: Black,white,yellow,blue

 # Weight:55g

 # Material: aluminium alloy

 # Dimension:126*66*20mm

 # Indicator: 4 blue LED to indicate  the capacity.

 # Charge Port:USB port

 # Data transport : USB out port

Technic Parameter:

# Capacity: 1300mA  Cell Voltage3.7

 # Input Voltage: DC5.0V1000mA

 # output Voltage: DC5.0V,500mA

 #Cycle life:>=500
 # sleep current:<=0.05Ma

MOQ: 1000 Unit/Units 
FOB Quote: USD 16~18 / Unit  
type of payment: T/T   Western Union   
supply capacity: 1000000  Unit/Units / Month 
Packing: Packaging Detail: Gift box and plasticpaper box
delivery time: 7-10day