Charging problem

[RicTor]

Occasionally when booting up the PBP, charging does not start up. The PBP can then totally discharge its battery. This happens when the battery is full, having been on charge all night. It is not predictable!

I have been investigating and think I have found what  is happening - hence how to trigger charging. But I don't know why! 

Anyone else have the problem?

Are there any experts here who know the power / charging system? I can use help understanding the  schematic...

[Rodery]

You might want to ask a professional. When I had a problem with my circuit diagram before, I reached out to a technician at PCBWDX, and he answered my question right away.

https://www.pcbwdx.com/

[libbyhancock]

Could this be a sign of a worn-out battery? Besides that, it's likely your battery is faulty. How long have you been using it?

[WEF]

I had a similar problem, the shipped barrel charger became unreliable. Had to switch to charging from the USB port and that solved it for me.

[tllim]

I had a similar problem, the shipped barrel charger became unreliable. Had to switch to charging from the USB port and that solved it for me.

Charging using USB-C port somehow resolve this issue as you have indicated.