Portable battery for iPhone 3G/3GS, Original R&D and Manufacturer

Packagin& Delivery:
Packaging Detail: Gift box and plastic paper box
Delivery Detail: 7-10 days

Specifications:
Portable Power Pack For External Power fit for Iphnoe 3G /3GS/4G

Product Description:
This is a universal external battery pack, compatible with iPhone 3G 3GS/4G.

Configuration:
# This product made up of lithium battery, 1PCS PCB board, and housing
# Color: Black, white
# Weight: 66.5g
# Material: Aluminium alloy
# Dimension: 113x66x21(mm)
# Indicator: 4 blue LED to indicate the capacity.
# Charge Port: USB port
# Data transport: USB out port

Technic Parameter:
# Capacity: 1900mA Cell Voltage3.7
# Input Voltage: DC5.0V1000mA
# output Voltage: DC5.0V, 700mA
# Cycle life: >=500