The battery on work iphone 6S this morning:
10 am: 56% and not charging even though it was plugged in over night in the smart battery case.
10:45: 56% and charging after I took off the smart battery case to charge separately.
11:15: 56% the phone says, “I’m turning off now because I’m tired.”
11:22: after restarting 5 times 17% and charging but who knows if thats true?