It's hard for backup battery manufacturers to strike a good balance between capacity and portability. Anker's PowerCore 10000 With Quick Charge 3.0 gets it just right. It's small enough to fit in your ...
In laboratory tests using a 3300mAh battery1, a Quick Charge 2.0 enabled device went from 0% to 60% charge in 30 minutes, while a device without Quick Charge 2.0 using a conventional (5 volt, 1 amp) ...