Is my iPhone's battery officially screwed?

Last night, I was charging my iPhone battery overnight. This morning, I woke up to it - it was still charging, but the screen was on that low battery screen. It's still on the low battery screen right now - even though it is still charging.

Does that mean my iPhone's battery is officially screwed?

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Check if your iPhone battery may need replacing

Go to Settings > Battery.
Tap on Battery Health.
You will see what the 'maximum capacity' of you battery is - this is a measure of your battery capacity relative to when the battery was new…
Below that is an indication of the battery's 'Peak Performance Capacity'.

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