Dead iPad

You could make an appointment at an apple store (if they are open) or an authorized service provider and have it checked out. It is possible that your battery needs to be replaced. The fee for that is around 100 dollars....so you may ultimately be money ahead to upgrade your 6 year old ipad

If you are experiencing difficulties with charging, the support page might offer so helpful guidance on troubleshooting the problem:

https://support.apple.com/en-us/HT201569

If you continue to have difficulties, you might be best advised to seek assistance directly from Apple Support. You’ll find the Contact Support link at top-right of this page. Alternatively you can initiate a support case using the Apple Support App:

https://apps.apple.com/gb/app/apple-support/id1130498044

A further alternative is to visit the Genius Bar at your local Apple Store - where the staff will be able to test your iPad and offer assistance.

I hope this information and guidance proves to be helpful in resolving the issue.

Something maybe wrong with your iPad, like, however unlikely, a failed internal battery.

I suggest contacting/reaching out to Apple Product support and services.

Tap on the first link below and scroll down some to get to the Apple Product Support section and phone numbers for your location/region.

https://www.apple.com/contact/

OR

https://support.apple.com/en-us/HT201232

If you need to, if initial 1st tier Apple customer support is of no help to you, you can calmly ask to have this issue escalated up to more responsible, senior level Apple customer support employees to see if they can come up with other possible advice/solutions to your dead iPad issue, but I make no guarantees, whatsoever.

If need be, you can have your iPad issues escalated all the way up the chain to Apple engineering level customer phone support.

Even if no acceptable resolution, Apple, AT LEAST, logs all support calls and issues.

Best of Luck to You!

Tried a different charger?