Connection type: Samsung, Micro USB (Universal Serial Bus), Mini USB (Universal Serial Bus), NOKIA, Apple 30-pin Cell type: Li-polymer Capacity Range (m Ah): 2000-4500 Charging Time (h): 4.5 Input Voltage (V): 5 Output Voltage (V): 5 Output Current (m A): 1000 Dimensions (cm): 8.5 x 5.3 x 1.2 Weight (kg): 0.152