@quixoticgeek yes, normally they should only block D+/- and RX/TX lines. CC, VBUS and GND are required for USB PD.
@Hipska hmmm. I want to stop my phone from fast charging when using a power bank so it doesn't destroy the battery so fast...
@Hipska yeah. When it charges fast then battery gets really warm which I am trying to avoid...
@quixoticgeek As said, you can go with USB-A in between to not have the USB-PD kick in. Also, going to drop this: https://www.pcmag.com/how-to/mobile-myth-does-fast-charging-ruin-your-phone-battery
@Hipska would an A to C cable achieve the same ?
@quixoticgeek I believe so, I would still add the data blocker in between in case of anything smart happens in between (because of the cable or one of the connected devices)
@Hipska excellent. I'll order a couple of data blockers to experiment with.
@quixoticgeek Heat, keeping it at full charge, keeping it at empty charge, …