Apple Pencil doesn’t fully charge
My iPad Pro is fully charged but my 2nd generation pencil isn’t
Question marked as
These support pages may be helpful with pairing, charging and use of the Pencil with your iPad:
Connect Apple Pencil with your iPad - Apple Support
Charge your Apple Pencil and check the battery – Apple Support
If you continue to experience difficulties, here is one of the better troubleshooting guides:
https://appletoolbox.com/apple-pencil-not-working-heres-our-troubleshooting-guide/
Be aware that if your Pencil has been set-aside for an extended period, unused and uncharged, the Pencil battery may now be irretrievably damaged through deep discharge. In common with all Li-ion batteries, they must always have some level of charge.
If your Pencil has failed - and is within its one-year manufacturers warranty, Apple will likely replace the Pencil without quibble.