Powerocks Super Magicstick 2600mAh Universal Extended Battery (Silver) This extended battery Power pack contains a rechargeable 2600 mah lithium ion battery strong enough to charge two smartphones simultaneously. This lightweight but powerful battery is perfect for work, vacation and every day on-the-go This External Power Pack Easily fit in a Purse, Briefcase, Backpack,even in the palm of your hand The Powerocks Super Majicstick is small enough for Travel