Battery draining fast on ipad mini 4 version 14.33

As described, your iPad battery may have a fault or is perhaps is reaching the end of usage lifespan - and may requires repLacement.

These support pages should help with troubleshooting charging issues:

Charge and monitor the iPad battery - Apple Support

If your iPad won't charge – Apple Support

Troubleshooting generally requires substitution of the Power Adapter and cable for another known-good item. Your iPad will require a USB Power Adapter rated at least 12W to reliably charge.

If you continue to experience difficulties, you might be best advised to seek assistance directly from from Apple Support - and request a remote diagnostic test. You can contact the Support Team using the Get Support link at top-right of this page. Alternatively, you can initiate and manage your support cases using the excellent Apple Support App. If not already installed on your iPad, the App can be downloaded from the App Store:

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

You might also visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where the technicians will be able to test and assess your iPad, Power Adapter and cable(s):

Genius Bar Reservation and Apple Support Options - Apple

There are many ways to save battery:

1. Lower brightness
2. Turn off WiFi and Bluetooth when not needed