Quickly charge your mobile devices while you're on the go with the 10,200mAh Fast Charge Battery Pack from Samsung. This portable, rechargeable lithium-ion battery contains 10,200mAh of charging capacity and has a single USB Type-A charging port for all your USB devices. With Qualcomm Quick Charge 2.0 and Samsung Fast Charge, the Fast Charge Battery pack can provide up to 50% charge in just 30 minutes. Other non-quick and fast-charge devices will instead default to the fastest charging speed available for your device.