If none of the tips above help it s time to contact apple support or make an appointment for service support at an apple store.
Lightning cable isn t charging.
If your case still isn t charging try charging with the cable that came with your case.
If all else fails.
Any mfi certified lightning cable should support up to 12 w of charging power or up to 18 w if it s a usb c to lightning cable and usb 2 0 data transfer rates up to 480 mbps.
Until it works again go up a notch with a stronger tool.
This can result in the ipad not charging or losing more power than it is gaining.
Sometimes wires can break while they re still inside the sheath.
This is extremely convenient if you own more than one device but don t want to wander around with multiple cables in your pocket or bag.
Your charging port is dirty.
If an alert says that your accessory isn t supported or certified these alerts can appear for a few reasons.
If wireless charging doesn t work try charging with a usb to lightning cable see sections above or with a different wireless charging pad.
If you must charge using a pc don t use the ipad while it is charging.
Open the case lid with your airpods inside.
Your ios device might have a dirty or damaged charging port your charging accessory is defective damaged or non apple certified or your usb charger isn t designed.
Even if you don t periodically try fitting the lightning cable in again.
Make sure that the lightning to usb cable is firmly plugged into the charging case and usb power adapter.
One of the most common reasons why your iphone won t charge is because dust lint or other debris has accumulated into the charging port preventing the charging connections from working properly.
But speed isn t the only benefit of the lightning cable.
Developed to output impressive power ratings a lightning cable can also seamlessly charge the more power hungry units including ipods and ipads.
If your cable looks like that and it isn t properly charging your device throw it away and get a new cable.
However it charges slowly.
The ipad is probably still charging but it isn t getting enough juice to display the lightning bolt that indicates it is charging.
Then make sure that the power adapter is correctly plugged into a power outlet.
The information isn t included in backups and isn t shared with apple.
Good luck i hope you figure it out.
Check the charge status.