Can you charge a Galaxy S26 Ultra with an Apple 5W USB-A?

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

Answer
Yes, but slowly

It charges, but at about 5 W instead of the 60 W the Galaxy S26 Ultra can take.

Power delivered5 W of 60 W max
0 Wfast: 60 W
0 → 50%
~1 h 30 min
0 → 100%
~3 h 25 min

Estimated from the manufacturer’s stated fast-charge time, 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 60 W or more with PPS. These chargers get there:

Galaxy S26 Ultra charging specs

Fast charging needs
60 W + PPS
Max input (approx.)
60 W
Battery
5,000 mAh
Apple 5W USB-A
5 W · USB-A

Sources: Samsung: Compare Galaxy S26, S26+, S26 Ultra · Samsung Newsroom: Galaxy S26 series announcement · Samsung: Enable fast charging (PPS requirement) · Apple: About Apple USB power adapters. Checked 2026-10-17.

Quick answers

Is it safe to charge the Galaxy S26 Ultra with the Apple 5W USB-A?

Yes, but it is a basic 5V USB-A charger without Power Delivery, so it can only deliver a few watts.

How many watts does the Galaxy S26 Ultra need for fast charging?

60 W or more, from a USB-C PD charger that supports PPS. Fastest charging needs a 60W USB PD charger with PPS.

How long does the Galaxy S26 Ultra take to charge with the Apple 5W USB-A?

About 1 h 30 min to 50% and 3 h 25 min to full, estimated with the device idle.