Can you charge a Steam Deck OLED with a Samsung 25W Super Fast?
Worked out from the manufacturers’ specifications. Have a different charger? Pick it below the answer.
It charges, but at about 25 W — well below what the Steam Deck OLED 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 45 W or more. These chargers get there:
Steam Deck OLED charging specs
- Fast charging needs
- 45 W
- Max input (approx.)
- 45 W
- In the box
- 45W
- Battery
- 50 Wh
- Samsung 25W Super Fast
- 25 W · USB-C · PPS
Sources: Steam Deck tech specs · Samsung: Wall Charger for Super Fast Charging (25W) EP-TA800 · Samsung: 25W Super Fast Charging wall charger EP-TA800 (specs). Checked 2026-10-17.
Quick answers
Is it safe to charge the Steam Deck OLED with the Samsung 25W Super Fast?
Yes. USB Power Delivery negotiates power, so the Steam Deck OLED 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 Steam Deck OLED need for fast charging?
45 W or more. Ships with a 45W USB-C PD power supply.
How long does the Steam Deck OLED take to charge with the Samsung 25W Super Fast?
About 1 h 10 min to 50% and 3 h 20 min to full, estimated with the device idle.