Overview: Easy to take & charge convenient Be applied to iPhone amp; iPod serie Charging method: Plug into power socket of related device Charging display: 4LED lights on left upside flash when charging the mobile, no flash when the power lower than 2.8V, it can shower the capacity of the battery when you press the button on right upside Charged display: 4LED lights on left upside flash one by one from left to right when charging, downside LED lighting after charging full Charging method: It can be charged by the IPHONE amp; IPOD plug or connect with computer by USB (Universal Serial Bus) cable Specification: Capacity:1000m Ah. Input Voltage:5.5V -0.5 V Output Voltage:5.0V -0.5 V Input current:500MA MAXOutput Current: 800MA MAXCharge tiem: Around 2 Hours Weight Approx:60g Size Approx:5.5 x 1.3 x 13.6