Battery percentage stucks at random numbers.

Hi,

I changed my iphone 8 battery and everything seemed fine.

Charged the battery to 100% and while using the phone the percentage of the battery stucks at random numbers (82%, 68%, 32%) and it no longer continues to fall untill it rans completely out of battery. However the battery seems to last as long as normal battery.

I opened the iphone again and tried to look at the connectors and the components near the batttery connector and I really can’t see anything missing or dislogded (used a magnifying lens).

Does anyone have any idea? Is it a faulty battery?

Thank you all for your answers.

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Hi there, were there any issues before you swapped the battery? Does it last turned on for most of the day?

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Hi,

The only issue before I swapped the battery was the battery life. According to the iphone the battery health was on 76% and it didn't last through the entire day.

If I charge the new battery overnight it will last turned on for most of day but not much better than the old one. It seems to me that even though the battery is new the behaviour is as if it was the old battery.

However the percentage of remaining battery sometimes gets stuck (specially if I don't use the phone for a few hours) and doesn't comes down untill the battery drains completely.

I also got an occasional reboot but since I did an Hard Reset ddn't happen again so far...

Sometimes I feel like the phone is lagging when clicking the sleep/wake button. Sometimes it is really fast like new other times it lags a bit. And I believe that it is on those times that it lags that the battery percentage gets stuck.

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Would you still have the old battery on hand? If so try swapping it back, if the issue is gone they sent you a faulty battery. I don't think it's anything other than a battery issue. Most motherboard faults will only make your phone last like max 5 mins. Each good battery should have a manufacturing date on the back. It could be that they sent you few years old battery

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Hi,

Thanks for the feedback. I still have the original one but I am afraid it could be not suitable to use after the removal because it seems a little bent.

I will try with a new battery and I will leave feedback.

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where did you get the replacement battery from?

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