I've had this pink ego-T pen for around a month now and this entire time it has worked perfectly. Tonight I used it a bit and then it died so I plugged it in. I put the cart back on the battery and it won't fire or turn on at all. 5 quick presses doesn't turn on any lights and 10 presses doesn't turn on any lights. When I plug it in using a Vuse Vibe charger it lights up 4 times. It flashes twice... slight pause... flashes twice more and after the fourth flash it stays on forever as if it's charging correctly. The light on my charger is on, I've tried charging it in different places for hours, and the center pin is in place.