Forum Thread

Using cellphone while charging battery cycle?

1,586 36 May 15, 2018 at 09:24 AM
If i use my cellphone heavily while it is charging, does the power continuously come from the battery, and then the battery get charged continuously while plugged in or does the power come directly from the the usb charger? I'm wondering because if it is the former then using it while plugged in is still continuously depleting charge cycles so the battery will go down hill if i use it heavily even when plugged in...

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#2
Quote from AnbuItachi
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If i use my cellphone heavily while it is charging, does the power continuously come from the battery, and then the battery get charged continuously while plugged in or does the power come directly from the the usb charger? I'm wondering because if it is the former then using it while plugged in is still continuously depleting charge cycles so the battery will go down hill if i use it heavily even when plugged in...
It still charges, it just has less power to do the actual charging while you are using the phone.

Do you turn your phone off to charge it?

If you don't, think about this....The cellular radio is still talking to the cell tower, the wifi radio is still talking to or looking for your WiFi...your Bluetooth radio is still looking for your headset........

ALL WHILE CHARGING...
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#3
Quote from DC
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It still charges, it just has less power to do the actual charging while you are using the phone.

Do you turn your phone off to charge it?

If you don't, think about this....The cellular radio is still talking to the cell tower, the wifi radio is still talking to or looking for your WiFi...your Bluetooth radio is still looking for your headset........

ALL WHILE CHARGING...
Oh so does the remaining power bypass the battery to power the phone? My phone is 100%, plugged in, and i want to leave it on overnight with an intensive app running. If the phone is unplugged, leaving the app on for 8 hrs would drain the battery from 100% to 0, two times over. So that would be 2 cycles worth. However if i leave it plugged in, would the phone just use the power from the charger so i dont have to use up 2 battery cycles every night?
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#4
Quote from AnbuItachi
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Oh so does the remaining power bypass the battery to power the phone? My phone is 100%, plugged in, and i want to leave it on overnight with an intensive app running. If the phone is unplugged, leaving the app on for 8 hrs would drain the battery from 100% to 0, two times over. So that would be 2 cycles worth. However if i leave it plugged in, would the phone just use the power from the charger so i dont have to use up 2 battery cycles every night?
The answer is "Probably".

The Unknowns are:
  • The Power output of the charger
  • The Power consumption of the Phone with the App running
  • Is the Phone Fully Charged before you start that App
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#5
Just out of curiosity... what strain did you smoke that made you worry about this in the first place? ...because I wanna have my guy pick some up for me. Smilie

And just buy an extra battery...done.
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#6
Quote from AngryPirate
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Just out of curiosity... what strain did you smoke that made you worry about this in the first place? ...because I wanna have my guy pick some up for me. Smilie

And just buy an extra battery...done.
I think I know the reasoning behind the question. Battery has limited charge cycles. If you use the phone while charging, is it bypassing the battery and therefore prolonging the battery life.
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Quote from Foreveryours
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I think I know the reasoning behind the question. Battery has limited charge cycles. If you use the phone while charging, is it bypassing the battery and therefore prolonging the battery life.
Yeah, I get the Li-Ion charge cycle thing... just never heard anyone worry about it before. Cell batteries almost always last at least a couple years... and replacements are often under $20-30.

It just struck me as something a stoner would sit and ponder about. Dontknow
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Quote from AngryPirate
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Yeah, I get the Li-Ion charge cycle thing... just never heard anyone worry about it before. Cell batteries almost always last at least a couple years... and replacements are often under $20-30.

It just struck me as something a stoner would sit and ponder about. Dontknow
Lot of the phones nowadays do not have replaceable batteries.
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#9
Quote from Foreveryours
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Lot of the phones nowadays do not have replaceable batteries.
Really? Or do you just mean that it's not something that customers can easily replace? I honestly don't keep up with phone stuff. I'm still rocking an old OnePlus One. Rock
I charge it every single night for past 3-4 years, and battery is still pretty decent.

I wonder what the justification from manufacturer's is about the non-replaceable battery. I'm sure their true motivation is to be able to sell more phones and/or drum up more on the service side by techs having to replace the batteries for customers. Either way, I think it's gonna cause some blowback forcing customers to pay $500-1000 for a phone that is a brick after 2-3 years. I mean, if I pay that much and OWN the product, I better be able to do with it as I please...not be at the whim of manufacturer's still. And if I am at their whim, they better adjust their stupidly inflated prices down.
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#10
Just get a battery case. Oh, wait, you'd wonder if it's getting power from the case or battery.
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#11
Quote from handyguy
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Just get a battery case. Oh, wait, you'd wonder if it's getting power from the case or battery.

And what if you plug in the battery case?


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#12
Haven't heard from OP in a while. Wonder if his phone died?...lmao.
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#13
What phone and charger? It sounds like you might be using a slower charger that isn't supplying enough current to both operate the phone and charge the battery. This was a problem a few years ago when the first really large screen phones came out and people were using GPS navigation in the car. 2A chargers and a quality cable generally solved it as well as phones that were more efficient.
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#14
can the same be said about laptops? my laptop is always plugged in. would that hurt the battery?
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#15
Quote from BosuxRedsux
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can the same be said about laptops? my laptop is always plugged in. would that hurt the battery?
It's almost always best practice to allow batteries to go through full cycles... charge them to 100%, let drain to <5%, charge to 100%, etc. However, this just isn't practical in the real world. Li-Ion has overcome a lot of the battery "memory" issues that plagued older battery technology, but still has a limited number of charge cycles, as mentioned above.
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