ouch imagine an emaxx on only 7 cells talk about slow....... and theres a way to do it too traxxas sells a jumper that lets you use one batterypack on the evx.........BUT PLEASE no one do this to themselves you might start foaming from the mouth and catch a attack when you realize how slow it really is....LOL they did that so kids can use daddy's e-maxx :027: heres a link to it http://www2.towerhobbies.com/cgi-bin...?&I=LXPYB3&P=7