I want to use this product as a *charger* for my iPad2 and need to know what else would I be able to charge at the same time… like, another iPad2? For charging iPad 2 needs 2A of current. More powerful devices that use USB to charge require 2A (or more?) so I want to find a product that allows me to charge one or several of those at one time, if possible.
The 4-port Super Speed USB 3 hub - can it be used as a *charger* rather than a *hub*?
Does a USB hub have the same functionality a charger would have and then adds the hub functionality (USB *in* and data)?
Do the specs mean that 4A is full power, shared across all ports and/or 900mA per port? But 4 x 900mA = 3.6A… please clarify and specify what is the max per port and what happens if I use multiple ports.