Can you charge an ROG Ally X with an Apple 20W USB-C?
Worked out from the manufacturers’ specifications. Have a different charger? Pick it below the answer.
It charges, but at about 20 W — well below what the ROG Ally X can take. Fine overnight or while idle; under heavy use the battery may still drain.
Estimated from the official battery capacity and the power this pair agrees on, with the device idle.
Try another charger
How long to 50% with each charger
Shorter bar is faster. The highlighted row is the charger on this page.
Want it faster?
Full speed needs 100 W or more. These chargers get there:
ROG Ally X charging specs
- Fast charging needs
- 100 W
- Max input (approx.)
- 100 W
- In the box
- 65W
- Battery
- 80 Wh
- Apple 20W USB-C
- 20 W · USB-C
Sources: ASUS: ROG Ally X (2024) specs · ASUS: ROG Ally vs ROG Ally X · Apple: 20W USB-C Power Adapter. Checked 2026-10-17.
Quick answers
Is it safe to charge the ROG Ally X with the Apple 20W USB-C?
Yes. USB Power Delivery negotiates power, so the ROG Ally X only takes what it can handle and the charger only gives what it can supply. A weaker charger is slower, not dangerous.
How many watts does the ROG Ally X need for fast charging?
100 W or more. Ships with a 65W adapter in most regions and accepts USB-C chargers up to 100W.
How long does the ROG Ally X take to charge with the Apple 20W USB-C?
About 2 h 20 min to 50% and 5 h 40 min to full, estimated with the device idle.