Can you charge a Galaxy S25 with a Samsung 45W Super Fast 2.0?
Worked out from the manufacturers’ specifications. Have a different charger? Pick it below the answer.
The Samsung 45W Super Fast 2.0 meets the Galaxy S25’s top charging speed of about 25 W.
Estimated from the official battery capacity and the power this pair agrees on, 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 S25 charging specs
- Fast charging needs
- 25 W + PPS
- Max input (approx.)
- 25 W
- Battery
- 4,000 mAh
- Samsung 45W Super Fast 2.0
- 45 W · USB-C · PPS
Sources: Samsung: Galaxy S25 | S25+ specs · Samsung: Compare Galaxy S25 series · Belkin: Galaxy S25 charging guide · Samsung: Enable fast charging (PPS requirement) · Samsung: 45W Super Fast Charger 2.0. Checked 2026-10-17.
Quick answers
Is it safe to charge the Galaxy S25 with the Samsung 45W Super Fast 2.0?
Yes. USB Power Delivery negotiates power, so the Galaxy S25 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 S25 need for fast charging?
25 W or more, from a USB-C PD charger that supports PPS. Super Fast Charging needs a USB PD charger with PPS.
How long does the Galaxy S25 take to charge with the Samsung 45W Super Fast 2.0?
About 22 min to 50% and 1 h 10 min to full, estimated with the device idle.