Compatibility: Supports charging of different makes of phones from Apple, Alcatel, BlackBerry, Nokia, Sony Ericsson, Samsung, HTC, LG and digital devices with 30-Pin Dock connector, 2mm, 3.5mm, Mini USB & Micro charging connectors.
Material: ABS
Dimension: 10.8x 6.4 x 1.4cm
Capacity: 4600mAh
Output: 500mA, 2A
Color: Black/White

Features:
Massive 4600mAh capacity
This is the NEW version, 2A max electric-current output, support fast charging mode. (Note: Some buyers are selling the 1A version ones, they are not compatible with iPad)
Equivalent to five to six mobile phone batteries
Provides 30 days of standby time
Great power reserve on the go anytime, anywhere, great for travelling use
Dual USB design for charging two devices at the same time
Highly-efficient power conversion
Electricity-saving function
Intelligent hand control on-off switch
LED display for power and electricity state