Your worst fears are realized; you forgot to charge your phone before you went out for the day, and you know it will die before you have a chance to charge it. When you get this Brooklyn Nets Net 2200mAh Credit Card Powerbank charger, you won't have to worry. The pack has a 2200mAh battery, which means your phone can stay powered while you complete all of your errands and is the size of a credit card. When this Brooklyn Nets power pack is running low on power itself, you can plug it in to any USB port to charge it.