Does leaving my phone on the wireless charger overnight hurt the battery?

Super Spartan

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Dec 21, 2018
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I usually like to keep the phone playing some sleep music on Vanced so I keep my Pixel 4 on my Samsung Galaxy Fast Wireless Charger overnight. Will this hurt the battery on the long run due to overcharging?
 

Scott337

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Apr 22, 2017
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These discussions usually involve some heated debate about whether that is OK or not OK to do. I have always put my phones on the OEM charger every night when I go to bed and leave it there while I sleep. I've never had a battery fail prematurely from this. But others claim that will hurt your battery over time. And you can find "expert" documentation supporting both arguments if you search online.
 
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BergerKing

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Mar 11, 2012
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It doesn't overcharge, the battery and phone have management circuitry to prevent this. My phones are on the charger all night, and nary a problem with either of them. I run iHeart Radio to sleep by, myself.
 

eric002

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Yeah, agree. Whether I'm charging it with the actual quick charger brick, or USB charging off my laptop, I leave it charging for hours. And my battery never loses a charge cycle or looks like it's depleting faster than normal.
 

Mooncatt

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It's not over-charging that's the concern, it's holding at a high charge level (over roughly 75%) that's the concern. Doing so overnight once or twice likely won't do much, but doing so nightly is likely going to shorten the overall lifespan.
 

stevo82

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I've wirelessly charged my last 3 phones every night while I slept and never had a problem with any of their batteries. However I should note I've never kept any of them beyond 2 years when I upgraded.
 

stevenjb2020

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I don't wireless charge, however I do use an app where I have set a notification at 80 percent charge - when I hear the notification, I pull the plug. There is also a low battery level notification.
 

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