specification	Capacity	material	Color	USD Price
capacity:6600mah input:12v/2A output:12V/4A 16v/4A 19.2V/4A weight:500g                  size:18.7 *10.7 *2.2cm       can charge for thinkpad X2012 for 2h	Domestic battery cell 6600MAH	imitation leather	White/black	30