Imagine an iPad battery extender with FAST charging function..
6000mAh Portable Power Bank with Fast Charging Function for iPad, iPad2,
quote (With FAST Charging Function you DO NOT NEED to wait for a long time for your device to be fully charged.. It`s like Turbo Quick Charging function)
Think it is a good thing to have quick charging function in power packs, saves time

iPad battery extender with FAST charging function-qp6000-fast-6000mah-charger-ipad.jpg