Connection type: Samsung, SONY, Micro USB (Universal Serial Bus), Mini USB (Universal Serial Bus), NOKIACell type: Li-polymer Capacity (m Ah): 4000 Capacity Range (m Ah): 2000-4500 Charging Time (h): 5 Input Voltage (V): 5 Output Voltage (V): 5 Output Current (m A): 600 Dimensions (cm): 20 x 12 x 6 Weight (kg): 0.242