Phone auto power off

My phone (Acer Liquid Z530) was working perfectly when suddently it displayed a notification saying that the battery was getting hot while in reality the battery temperature was normal (cold even), at a point it went off and since then I was not able to turn on the phone. When I charge it, it first diplays an icon of the battery overheating (pic). Has someone got this issue and if so how do I fix it?

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