I just sold my 1/10 scale box and orderd a ofna chrome top 12 volt box. the smaller boxes are about 6 inches wide and 18 inches long and 4 1/2 inches tall. I have had better luck useing a 12 volt gel cell battery, my fist box was a duratrax with two 550 motors. I tryed to use two 6 cell packs and it just sucks. The 12 volt is only about $18.00 and only needs to be charged every few weeks. I had a box with jumper to hook up to my truck too. That is also a Pain.