i just dont know if its better to run this http://www.hobbyking.com/hobbyking/store/__19156__Turnigy_nano_tech_5000mah_6S_65_130C_Lipo_Pack.html
or run 2x of these in series http://www.hobbyking.com/hobbyking/store/__19153__Turnigy_nano_tech_5000mah_3S_65_130C_Lipo_Pack.html
and the lipo's will be going in a tc
any advice would be helpful