Slow charging speed with charging control

Apps & Core Settings
1

Hi!
When I have charging control enabled in system settings to limit charging (e.g. limit to 80%) on my FP5 with iodéOS 6.2, then the phone charges only at 1A (4W).

When charging control is disabled it charges at 3A (12W) with a 18W QC3.0 charger or at 1.5A (6W) with a standard 2.4A charger (its the same with two different chargers). These behaviours are the same with different 60W cables.

As soon as I turn on charging control in system settings, the charging speed drops to 1A. When I disable it again, charging speed doesn’t increase again. I neet to reboot to have fast charging again.

My questions are:

  1. Is it by design that the phone charges that slowly when having charging control enabled? Is that an expected behaviour or a bug (in iodéOS)?
  2. Is there a way to fix that?
    I really would like to use charging control and be able to charge my phone at a reasonable speed.
  3. Does anybody know why the FP5 isn’t using the 18W provided by the charger? And even more interesting, why is it not charging with at least 2A with a regular charger (2.4A) but only charges at 1.5A?
2

Is there anybody else experiencing slow charging when having charging control enabled in system settings?

3

Same for me on my FP5. As soon as I enable charging control, the phone is only charging at around 4W. Opposed to around 20W when I disable charging control and reboot. I measured the charging speed with Wattz from Fdroid.
Its pretty annoying and makes the charging control feature useless for me.

4

Does this problem occur as well on other devices?

5

It seems to be an issue in LineageOS

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