Water damage: fully functional, but battery really bad - replace?
TL;DR - Dropped in pool, cleaned and dried, battery lasts about 3 days while not used and in airplane mode.
Is the battery actually being drained by something busted on the logic board, or just the battery busted.
So, I dropped my kindle in the pool on vacation, and pulled it out really fast.
It crashed and restarted and crashed again , and eventually it stopped responding - classic water problems.
I pull the front face of it off and let it sit in the sun for about 4 hours, so I'm convinced it was dry before I tried to plug it in again.
Plugged it in and charged it up till it came on - and everything appeared to work.
Unplugged it, and in a matter of hours the battery was fully drained, and was on a Battery Icon With Exclamation Point - not the normal "your battery is dead".
I can not find any images of this online, so I have attached a recreation.
When I got back home, I bought some distilled water and rubbing alcohol, and did some more work.
I took it completely out of the frame and removed the battery, but did not separate the screen from the logic board, because I didn't have a small enough screw driver.
I soaked it in distilled water for a bit, then rinsed it with distilled water, while brushing gently with a new toothbrush.
Then I repeated the process with 91% rubbing alcohol.
Then I blow dried it for a few minutes to evaporate the alcohol, and let dry again overnight.
Everything put back together, and everything still works - Wifi, touchscreen, usb and all.
But the battery is still draining super fast ( not as fast as when it first got wet ), and I don't know enough about water damage and shorted batteries to determine if I just need a new battery, or if something on the chips and logic boards are actually draining it.
It isn't hot to the touch or anything.
Any advice is appreciated.
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