Brand: ZHIIDAConnection type: Universal, Micro USBCell type: Li-polymer Capacity (m Ah): 2000 Capacity Range (m Ah): 2000-4500 Charging Time (h): 4 Input Voltage (V): 5 Output Voltage (V): 5 Output Current (m A): 500 Dimensions (cm): 18.5 x 10 x 2 Weight (kg): 0.101