Can you charge a Galaxy Tab S12 Ultra with a Google 45W USB-C?
Worked out from the manufacturers’ specifications. Have a different charger? Pick it below the answer.
The Google 45W USB-C meets the Galaxy Tab S12 Ultra’s top charging speed of about 45 W.
Estimated from the manufacturer’s stated fast-charge time, with the device idle.
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How long to 50% with each charger
Shorter bar is faster. The highlighted row is the charger on this page.
Galaxy Tab S12 Ultra charging specs
- Fast charging needs
- 45 W + PPS
- Max input (approx.)
- 45 W
- Battery
- 11,600 mAh
- Google 45W USB-C
- 45 W · USB-C · PPS
Sources: Samsung Newsroom: Galaxy Tab S12 series · Samsung: Enable fast charging (PPS requirement) · Google Store: 45W USB-C Power Charger. Checked 2026-10-17.
Quick answers
Is it safe to charge the Galaxy Tab S12 Ultra with the Google 45W USB-C?
Yes. USB Power Delivery negotiates power, so the Galaxy Tab S12 Ultra 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 Galaxy Tab S12 Ultra need for fast charging?
45 W or more, from a USB-C PD charger that supports PPS. Super Fast Charging up to 45W: 0–100% in about 95 minutes with Samsung’s 45W adapter (sold separately).
How long does the Galaxy Tab S12 Ultra take to charge with the Google 45W USB-C?
About 29 min to 50% and 1 h 35 min to full, estimated with the device idle.