4000mah power bank for iphone5 1.Capacity 4000-5000mah 2.5V 1A output 3.Touch button ,thin Ultra thin power bank 4000mAh for Iphone5 Product Specification:Cell Type: Li-Polymer Capacity: 4000mAhInput: Micro USB 5V/1000mA (max)Output: Mini USB 5V/ 1000mA (max)4 LED power level indication & Over-charge protection, Discharge protection, Over-current protection, Short circuit protection, Explosion ...