Can you charge an ROG Xbox Ally X20 with an Apple 70W USB-C?

Worked out from the manufacturers’ specifications. Have a different charger? Pick it below the answer.

Answer
Yes, fast charging

The Apple 70W USB-C meets the ROG Xbox Ally X20’s top charging speed of about 68 W.

Power delivered68 W of 68 W max
0 Wfast: 68 W
0 → 50%
~42 min
0 → 100%
~2 h 15 min

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.

ROG Xbox Ally X20 charging specs

Fast charging needs
68 W
Max input (approx.)
68 W
In the box
68W (varies by region)
Battery
80 Wh
Apple 70W USB-C
70 W · USB-C

Sources: ASUS: ROG Xbox Ally X20 (2026) specs · ASUS press release: ROG Xbox Ally X20 available · Apple: 70W USB-C Power Adapter. Checked 2026-10-17.

Quick answers

Is it safe to charge the ROG Xbox Ally X20 with the Apple 70W USB-C?

Yes. USB Power Delivery negotiates power, so the ROG Xbox Ally X20 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 Xbox Ally X20 need for fast charging?

68 W or more. Comes with a 68W USB-C adapter (20V 3.4A) where included; Travel Mode limits charging to 65W.

How long does the ROG Xbox Ally X20 take to charge with the Apple 70W USB-C?

About 42 min to 50% and 2 h 15 min to full, estimated with the device idle.