Model:J-i 5SCG-4200; Cell type: Li-polymer; Capacity Range (m Ah):2000-4500; Input Voltage (V):5V; Output Voltage (V):5V; Output Current (m A):500; Dimensions (cm):13.6x 6.2x 1.6cm; Weight (kg):0.108; Capacity (m Ah):4200; Compatible With:iPhone 5C, iPhone 5S, iPhone 5