Why does my iPhone 6s randomly shut off outside?

Sometimes when IIm outside my iPhone 6s would randomly shut off. It would show a dead battery sign and charger needed to be connected. 5min later it would turn back on. I've read that it may be the cold weather and I think that s part true. Since its pretty cold outside (New York) it would explain why it d shut off. Warm season didn't start yet and it's April. Does anyone else experiencing this or is it just me. Do I need a new battery?

Yes the cold weather may be the cause. The batteries are only rated to take so much cold & if it is past that it could cause the issues you are experiencing. Assuming you don't use a case it would be better to get one.

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