HyperJuice Plug 15.600 Black Hawk

HyperJuice Plug 15,600mAh dual USB battery pack features 2 high power USB ports that can simultaneously charge 2 USB devices (even 2 iPads) at the same time. 
It also features a retractable wall plug for easy recharging from any electrical outlet.

Features
+ 15,600mAh lithium ion battery
+ 2 high power USB ports capable of charging 2 USB devices (even 2 iPads) at the same time
+ Built-in retractable wall plug for easy recharging 
+ Extend iPad (1st & 2nd generation) battery life by up to 23 extra hours 
+ Extend new iPad (3rd generation) battery life by up to 13 extra hours
+ Fully recharge the iPhone up to 11 times 
+ Aluminum battery housing, available in six juice colors of pink, gold, blue, green, silver, black
+ Advanced high performance power management chipset by Linear Technology
+ Built-in short circuit, overcharging and temperature protection 
+ Industrial medical/military grade AA battery cells 
+ 1 year limited warranty

Intelligent Power Distribution System
HyperJuice Plug features a total of 15W power shared between 2 USB ports. 
Unlike other dual USB batteries that simply designates "high power" 10W USB port (for iPad/tablet charging) and "low power" 5W USB port(for iPhone/smartphone charging),
HyperJuice Plug intelligently distributes and delivers the maximum power to individual devices irregardless of which USB port they are plugged to.

For example:
Connected Devices USB Port 1 USB Port 2
2 iPhones/smartphones 5W (5V, 1A) 5W (5V, 1A)
1 iPad/tablet and 1 iPhone/smartphone 10W (5V, 2.1A) 5W (5V, 1A)
2 iPads/tablet 7.5W (5V, 1.5A) 7.5W (5V, 1.5A)