In mobile devices the batteries has a lot of weight and it looks like the keyboard part has more batteries than the top part: http://www.technobuffalo.com/wp-c

In mobile devices the batteries has a lot of weight and it looks like the keyboard part has more batteries than the top part: http://www.technobuffalo.com/wp-content/uploads/2015/10/Microsoft-Surface-Event-113-1280x720.jpg http://www.technobuffalo.com/wp-content/uploads/2015/10/Micr...