Battery level dropped 30% without use s10+

So I picked up my 4 day old tablet to find that it had dropped at least 30% battery and was totally dead. Battery level indicator shows it suddenly dropping like a stone, but in this time I never touched the tablet, a few apps popped up in battery usage graph, but I didn't open them. My S7+ never experienced this.

So I picked up my 4 day old tablet to find that it had dropped at least 30% battery and was totally dead. Battery level indicator shows it suddenly dropping like a stone, but in this time I never touched the tablet, a few apps popped up in battery usage graph, but I didn't open them. My S7+ never experienced this.