Hi Im not sure if i should really put this up here but i was looking around and found sort of a start up for a power supply for the to link 703 .. i know some of ou guy out there have haked the router and prob be looking for a battery power supply for it like i am .. so I just thought i would share this with you guys ..
http://www.indiegogo.com/projects/sofa-portable-power-bank-specifically-designed-for-tp-link-wireless-mini-router