Can you charge an ROG Ally X with a Samsung 45W Super Fast 2.0?
Worked out from the manufacturers’ specifications. Have a different charger? Pick it below the answer.
It charges, but at about 45 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
- Samsung 45W Super Fast 2.0
- 45 W · USB-C · PPS
Sources: ASUS: ROG Ally X (2024) specs · ASUS: ROG Ally vs ROG Ally X · Samsung: 45W Super Fast Charger 2.0. Checked 2026-10-17.
Quick answers
Is it safe to charge the ROG Ally X with the Samsung 45W Super Fast 2.0?
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 Samsung 45W Super Fast 2.0?
About 1 h 5 min to 50% and 2 h 50 min to full, estimated with the device idle.