I agree, send that POS back! My favorite starter boxes would be the Serpent one, it has a special fitting for the RC10 GT...and my other favorite is an Ofna.
I've had my Ofna for about 10 years and still does the job. In fact I use the Ofna for 1:8 scale onroad and the Serpent for both 10th and 8th scale onroad. I would see if you could get your money back and get a GOOD starter box. You shouldn't have these problems for years down the road, let alone weeks. My Ofna easily has 350K miles on it
and has ALWAYS been dependable. These are more compact then the one Mugendude suggested. However, I have the one he suggested too and it's a very nice box. I just haven't used it that much, so don't know about the longevity. Plus like I said, it's not as compact as the others I listed because of the motor sticking out. Good luck!