specification	Capacity	material	Color	USD Price
capacity:19999mah (53wh)input:5V/2.0A                     output:5V/1.0A&2.0A          size:17 *10.5 *1.5cm   weight:530g                 working temperature:-10 to 50 degree	20000MAH	imitation leather	White/black	US$16.15