Fast charging on the iPad Pro is a big deal to me ... On the 29W adapter, on the other hand, Apple printed two output options: 14.5V x 2.0A with ‘USB PD’ or 5.2V x 2.4A; IOKit exposes 14.8V x 2.0A ...
This relatively small GaN charger can output up to a healthy 67W shared across three USB-C ports. The Retro 67 supports a range of fast-charging protocols and can replenish an iPhone to 50% ...
Check your iPad’s data transfer rate before choosing a new cable. For charging only, any of the USB-C cables reviewed below will be fine as 20W should be enough to charge even an iPad.