... Input:5V/1A4. Output:5V/1A,5V/2.1A6. Charging time:7-8hr1,Compatible with Iphone, ipad ,ipod ,Nokia,Blackberry,HTC etc ... of iphone43,prevent any short-circuit ,over charge and over discharge and damage under any extreme condition.4,Microcomputer power control ... interface ,no additional wiring to charge the battery ,safe and convenient . Universal Portable power supply 6000mAh with Output:5V/1A,5V ...