Yes, the PD Fast charge can charge the iPad, because the iPad Pro and the latest iPad Air and iPad mini all support the PD fast charge protocol. However, the old iPad may not support PD fast charge, which needs to be analyzed on a case-by-case basis. If you are not sure whether your iPad supports PD fast charge, you can check the charging parameters of the iPad or consult the official customer service.
Yes, the iPad Air 2019 supports PD (Power Delivery) fast charge technology. You can use a charger equipped with PD charging to quickly charge the iPad Air 2019 for higher charging speed and efficiency.
Yes, 2019 supports pd fast charge.