FP3+ very slow charging
Created by: FPfabi
- Device: Fairphone 3+
- Channel: Dev
- Build: 2021-10-20
Steps to reproduce
When plugging the phone into the USB-C charger, it will charge very slowly. When checking the phone after ~ 30 minutes, it typically still shows the same SOC on the battery indicator.
Expected behavior
When the phone is connected with the USB-C charger, it should charge with higher current, max. 4 hours from 5-100% SOC desired.
Actual behavior
Charging the phone is very slow. Charger adds 20 percentage points to the SOC during 10 hours. When using the phone while charging, the battery actually gets depleted. Different chargers were tried, with the same effect. It typically works most reliable when charging the phone on the laptop USB port. Behaviour got worse after the update to the above specified build. Before the update, 3-5 reconnects were required until the phone realized it can charge the battery at normal speed.