shenzhen factory portable power bank for mobile phones Battery:Li-ion x1,grade A Capacity: 2000mah-3000mah USB output: 5V 800mA-1A USB input: 5V 800mA-1A Product size: 91x25x25mm Product weight: 80g Housing material:ABS Color:blue,purple,pink,yellow,green,white,black Packing:small white box+Micro usb cable