Exact model reference
Steam Deck OLED
Manufacturer-listed battery energy
50 Wh
2026-10-17
Device charging evidence
The reviewed OEM source does not publish the device’s complete USB-C sink voltage/current profile.
USB Power Delivery 3.0; Valve lists a 45W power supply. Source checked 2026-10-17
Adapter rating is separate
Valve-listed power supply
45 W listed
Adapter-rating OEM source · checked 2026-10-17
The adapter rating is not automatically a minimum input for the device. A lower-output bank may simply deliver less power or charge more slowly; exact behavior remains model- and load-dependent.
Bank-side evidence · dated manufacturer profiles
Selected power-bank output examples
These examples span different single-port ratings and are not a suitability ranking. Because the complete device sink profile is not published in the reviewed source, output wattage and adapter wattage cannot confirm a match.
| Bank | Selected port rating | Fixed profile listed | Reading |
|---|---|---|---|
 | 45 W | No fixed profile in our reviewed dossier | UnknownContext example only: the reviewed OEM source does not publish the complete device sink profile, so these ratings cannot establish a match.A suitable USB-C cable and the bank’s PD revision still need confirmation.Bank source · checked 2026-10-07 |
 | 65 W | 5 V / 3 A, 9 V / 3 A, 12 V / 3 A, 15 V / 3 A, 20 V / 3.25 A | UnknownContext example only: the reviewed OEM source does not publish the complete device sink profile, so these ratings cannot establish a match.A suitable USB-C cable and the bank’s PD revision still need confirmation.Bank source · checked 2026-10-12 |
 | 100 W | 5 V / 3 A, 9 V / 3 A, 12 V / 3 A, 15 V / 3 A, 20 V / 5 A | UnknownContext example only: the reviewed OEM source does not publish the complete device sink profile, so these ratings cannot establish a match.A suitable USB-C cable and the bank’s PD revision still need confirmation.Bank source · checked 2026-10-12 |
 | 140 W | 5 V / 3 A, 9 V / 3 A, 12 V / 3 A, 15 V / 3 A, 20 V / 5 A, 28 V / 5 A | UnknownContext example only: the reviewed OEM source does not publish the complete device sink profile, so these ratings cannot establish a match.A suitable USB-C cable and the bank’s PD revision still need confirmation.Bank source · checked 2026-10-07 |
Sourced energy planning
Estimate energy equivalents for Steam Deck OLED
Enter the bank’s explicitly published Wh rating and your own conversion-efficiency assumption. The formula applies that assumed loss once; it does not turn mAh into Wh or predict device behavior.
Device energy: 50 Wh from the OEM source. Source checked 2026-10-17.
Enter both values to calculate a fractional energy equivalent.
Formula: bank rated Wh × your efficiency assumption ÷ device battery Wh. The result is an arithmetic estimate from your inputs and the dated OEM battery figure above. A device may consume energy while running, and its charging system may stop at different levels.