TL;DR
- Android 15 is preparing to tweak the threshold that determines whether a charger is seen as fast, from a measly 7.5W to a more reasonable 20W.
- The operating system has long considered any charging speeds of at least 7.5W to be fast, which is far, far below what actual fast chargers can deliver nowadays.
- The change isn’t live yet in the latest Android 15 beta, though, so chargers that deliver 7.5W of power will still be seen as fast on Pixels.
How does that tell them the wattage output of the power bank
I assume they meant check the wattage of the car charger output. some powerbanks have displays now and can show you it’s input or output.
… All phones also have displays and should show you the same thing but don’t.
Maybe they have a wattage reader on their charger/power bank/car?