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The third generation Pixel released by Google in October 2018.

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pixel 3 constant battery drain

I recently replaced my 2 year old pixel 3 battery and charge port due to poor battery life and not being able to charge on the google issued usb-c charger (possible water damage).

While both of those issues are fixed now, I’m seeing a crazy amount of battery drain on the tune of 5-10% an hour. It is possible that this was occurring before the replacement, but I just didn’t notice due to the poor battery life.

Even after doing the battery calibration and turning on battery saver, airplane mode, safe mode, factory resetting, etc, I am still seeing constant battery drain per hour. The last test I did was to turn to turn the phone off overnight at 80%; when I woke up in the morning, it was dead at 2%!

This makes me think it might be a hardware issue, or something isn’t allowing the phone fully shutdown.

Does anyone have any ideas what it might be, or what else I can do to try and fix this? Thanks!

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Is the new battery an official OEM replacement one? Usually no-name brand batteries don’t have good battery life, and are cheap quality.

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I bought the pixel 3 battery replacement kit off ifixit:

[linked product missing or disabled: IF356-083-3]

and it looks remarkably similar to the OEM one, and I'm assuming they wouldn't sell something that's cheap quality.

Still haven't figured out what this might be; might ask ifixit support to see what they recommend...


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I’m also experiencing this issue.

Just replaced my battery yesterday, and I’m still calibrating it, however its draining just as rapidly as before the replacement.

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Raymond will be eternally grateful.
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