Rog ally stopped charging after it died?

It was so strange I had went to get something and my ally was low power and when I came back it was dead I decided to go "ok lets charge it" and no light no nothing and when I used my phone on the AC cables I have around it works it had me stressing because I already opened it once and prob voided my warranty so what do I do? I only have 40 on hand so this is pretty stressful.