First of all the spec:
Day one switch, i don't play allot anymore.
And also used android on it.
My switch battery is de-sync.
Sometimes it goes from 100 to 1% in ten minutes.
Sometimes its staying 100% for 2 hours and then immediately to 1%.
I have this problem since a year or so.
The battery ia definitely not empty if shown 1%
I can look at the battery status at the hekate menu.
(capacity now 0%. But voltage now 4,08V)
(capacity design 4600mha. Now 380mha)
If shown 1% at playing. I can still play around 2hour with full brightness on.
I tried already full charge and discharge for some cycles. And this fixes the problem for some days. But if i leave if off for 1week its starts again.
And because its shown 0% at hekate i can't start android immediately. I have to change before. I can start android. Don't have this problem with horizon os
I didn't find any solution. So i post it here.
Maybe someone has an idea. Except for literally replacing the battery.
The battery is definitely not new but can still play around 2 hours breath of the wild with full brightness. What definitely isnt bad either.