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This question is somewhat technical, and for thise who understand it. * Option 1: Your mobile phone battery **always** gets charged at **10 Watts**, no matter whether the device is in use (screen on) or not (stand-by or off). If the mobile phone is in use, the additional power will not be subtracted from the power that reaches the battery but drawn ***in addition*** from the power supply, also known as *Spare Current charging*. * Option 2: Your mobile phone battery charges at 15 Watts while the device is in stand-by-mode or off, but only 5 Watts during usage (with screen on). Optionally explain your choice in a comment. Also, if this poll shows a [*“Fuck You!”*](#spoiler)-option, you can be certain that I did not add it. ---- Origin of question: Many mobile phones had [deliberate charging speed limitations.](https://forum.xda-developers.com/galaxy-s7/help/how-to-bypass-6w-fast-charging-software-t4057655)

This question is somewhat technical, and for thise who understand it.

  • Option 1: Your mobile phone battery always gets charged at 10 Watts, no matter whether the device is in use (screen on) or not (stand-by or off). If the mobile phone is in use, the additional power will not be subtracted from the power that reaches the battery but drawn in addition from the power supply, also known as Spare Current charging.
  • Option 2: Your mobile phone battery charges at 15 Watts while the device is in stand-by-mode or off, but only 5 Watts during usage (with screen on).

Optionally explain your choice in a comment.

Also, if this poll shows a -option, you can be certain that I did not add it.

Origin of question: Many mobile phones had

Always charge at 10 Watts, no matter the usage.
15 Watts during non-usage, 5 Watts during usage.
Fuck You!

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[–] • 1 pt

Isn't this related to the way charging is implimented by the manufacturer at a hardware level?

If there's a proper circuit to charge and operate at the same time, it should work this way, if there's not that's bad engineering. If it's software tampered without any justification, that's bad policy.

[–] • 1 pt

The integrated charging controller (hardware) does not care whether the device is in use or not.
It just gives the device components the current it needs to work with and the rest goes to the battery.

It also should have integrated current limiting in case of heat. (To prevent heat damage.)

But there is some software on some devices that sends a signal to the changing controller to deliberately limit the current the second the screen is turned on.