I got the same issue and bought two batteries and still same, I thought to buy new charger but that's goanna be toooooo much for this stupid laptop. its cost very expensive like MAC but that nothing according to MAC and I got a new TOSHIBA with same specifications that my stupid Dell XPS L502X 15 i7 have, with price less than $375 and it is good more than Dell that never ever recommended by me to any one.
If Dell respect its customer and it is respectful organization, should be recall this Item from market and replacement with new one or at least refund. In this way it will retain its reputation in a top.
Thanks