Why is my tablet restarting itself?

[AC Question]

I am recently experiencing an issue on my samsung galaxy tab 4 10.1 inch. I have had the tablet for almost two complete years now and am perplexed as to why this is happening to me. I first noticed this when I went on to youtube. The tablet kept on blinking until it went off completely. Afterwards, it came back on before stopping on the first samsung logo before going off completely. By pressing the power, volume down and home button, I was able to restart the tablet properly. It was on 43% when it came back on. After a while, I went back on you tube and it did the same thing. But this time, when I restarted it, it was on 1% What is wrong with my tablet? I really cannot afford for anything to happen to it right now. Please help me,

 

[belodion]

It could be a failing battery. Does it also happen while plugged in and charging?

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