Hey I was thinking, do u think that is possible to put those plates inside those dual layer cases and make a mini usb plug that attach to the N9 like a wall charger using a case like this:

http://www.ebay.com/itm/Dual-layers-...ht_1689wt_1162...

this one even cover the usb port and u can make the shortcut in the cable... so if u want to use the usb just disconect the case...