I don't know much about wireless charging but I have two wireless chargers that seem to generate a lot of heat and leave the devices they "charge" with less of a charge. Is this a known issue? Wireless chargers that extract power from devices?
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@dpiponi I haven't had ~any experience with wireless charging, but did experience something similar with wired charging: if charging keeps stopping and starting (and operates at low power when it actually does), a phone can easily lose more energy on all the state changes that happen in software than it gains from the charger.
That said, this happened to me only when charging a device that was on.
@robryk My AirPods really shouldn't be doing any work while "charging", they're not really "on" (whatever that means these days).