1.Capacity:3200mAh 2.Input Voltage:5V 3.Output Voltage:5V 4.Charging time:about 8 hours Power bank backup battery charger 3200mAh for iPhone, iPad, iPod and other digital products:Product Specifications:*Capacity : 3200mAh*Input Voltage: 5V*Output Voltage:5V*Charging time :8hours*Dimension : 78*61*15mm Product Features:* External battery with stand for iPhone, iPod, Samsung, Blackberry, mobile ...