Connection type: Micro USB (Universal Serial Bus), Mini USB (Universal Serial Bus), Apple 30-pin, Universal, NOKIACell type: Li-polymer Capacity Range (m Ah): 2000-4500 Charging Time (h): 4 Input Voltage (V): 5-6 Output Voltage (V): 5 Output Current (m A): 100 Dimensions (cm): 15 x 8 x 4 Weight (kg): 0.12