The second generation of Apple Pencil can still continue to charge if the Bluetooth connection of the device is disconnected, as long as the following two conditions are met:
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The first condition is that the Apple Pencil and the device are automatically adsorbed on the device border, and can also be charged, using the wireless charging mode;
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The second condition is that the device side is sufficient to use the charging function.
After full, it will not be charged, it will consume electricity, and continue to charge the next time, and then the power will be automatically cut off.
It does not affect, because it is wireless charging, and has nothing to do with Bluetooth. But without Bluetooth you don't know when it's full, you can't see the charge
As long as the power is not enough, and the Bluetooth pen is best allowed after closing