My phone keeps losing percentage when it’s even charging it keeps going down. It’s a bad battery.

Cliffordheeter Said:

"My phone losing percentage even when it’s charging do I need a new battery?"

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Determining if it's Time for a New Battery:

View the Battery Health:

Apple recommends you get a new battery, once the Battery Health reaches 80% or lower. When the Battery Health is 80% or lower, it is time for a new battery. Unfortunately, there is no way to know when nor why the Battery Health has decreased.

1. Go To: Settings
2. Tap: Battery
3. Tap: Battery Health
4. View: [the percentage]
5. Is it 80% or less?  If so, it is time for a new battery.

Go to Settings/Battery/Battery Health and see what it says.