Sounds similar to the issue I had earlier this year. The combination of changing the USB port and the charger solved it for me: Charging interruptions: FP5 discharges while still "charging" - #12 by janweiss
Sounds similar to the issue I had earlier this year. The combination of changing the USB port and the charger solved it for me: Charging interruptions: FP5 discharges while still "charging" - #12 by janweiss