Can you charge an iPhone 17 Pro with an Apple 20W USB-C?

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

Answer
Yes, standard speed

It charges at normal speed. Fast charging needs 40 W or more.

Power delivered20 W of 40 W max
0 Wfast: 40 W
0 → 50%
~30 min
0 → 100%
~1 h 25 min

Estimated from the manufacturer’s stated fast-charge time, with the device idle.

Try another charger

Apple 5W USB-Aold iPhone cubeApple 20W USB-CiPhone chargerApple 30W USB-CMacBook Air base adapterApple 35W Dual USB-Ctwo-port compact adapterApple 40W Dynamic (60W Max)iPhone 17/18 fast chargerApple 70W USB-CMacBook fast chargerApple 96W USB-CMacBook Pro 14″ fast chargerApple 140W USB-CMacBook Pro 16″ chargerSamsung 25W Super FastGalaxy chargerSamsung 45W Super Fast 2.0Galaxy Ultra chargerGoogle 30W USB-CPixel chargerGoogle 45W USB-CPixel Pro XL chargerSteam Deck 45WValve charger in the boxASUS ROG 65WROG Ally charger in the boxNintendo Switch 2 AC adapter60W charger in the boxAny 65W USB-C PD (PPS)typical GaN chargerAny 100W USB-C PD (PPS)high-power GaN chargerAnker 715 (Nano II 65W)compact GaN chargerUGREEN Nexode Pro 45W (Smart Display)UGREEN 45W display

How long to 50% with each charger

Shorter bar is faster. The highlighted row is the charger on this page.

Apple 40W Dynamic (60W Max)
40 W · full speed
~20 min
Apple 70W USB-C
40 W · full speed
~20 min
Apple 96W USB-C
40 W · full speed
~20 min
Apple 140W USB-C
40 W · full speed
~20 min
Samsung 45W Super Fast 2.0
40 W · full speed
~20 min
Google 45W USB-C
40 W · full speed
~20 min
Steam Deck 45W
40 W · full speed
~20 min
ASUS ROG 65W
40 W · full speed
~20 min
Nintendo Switch 2 AC adapter
40 W · full speed
~20 min
Any 65W USB-C PD (PPS)
40 W · full speed
~20 min
Any 100W USB-C PD (PPS)
40 W · full speed
~20 min
Anker 715 (Nano II 65W)
40 W · full speed
~20 min
UGREEN Nexode Pro 45W (Smart Display)
40 W · full speed
~20 min
Apple 35W Dual USB-C
35 W · standard
~22 min
Apple 30W USB-C
30 W · standard
~24 min
Google 30W USB-C
30 W · standard
~24 min
Samsung 25W Super Fast
25 W · standard
~27 min
Apple 20W USB-C
20 W · standard
~30 min
Apple 5W USB-A
5 W · slow
~1 h 10 min

Want it faster?

Full speed needs 40 W or more. These chargers get there:

Samsung 45W Super Fast 2.040 W · 0–50% ~20 minGoogle 45W USB-C40 W · 0–50% ~20 minSteam Deck 45W40 W · 0–50% ~20 min

iPhone 17 Pro charging specs

Fast charging needs
40 W
Max input (approx.)
40 W
Apple 20W USB-C
20 W · USB-C

Sources: Apple: Fast charge your iPhone · Notebookcheck: iPhone 17 Pro reaches 50% in 20 minutes · Apple: 20W USB-C Power Adapter. Checked 2026-10-17.

Quick answers

Is it safe to charge the iPhone 17 Pro with the Apple 20W USB-C?

Yes. USB Power Delivery negotiates power, so the iPhone 17 Pro 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 iPhone 17 Pro need for fast charging?

40 W or more. Reaches 50% in about 20 minutes with a 40W adapter or higher.

How long does the iPhone 17 Pro take to charge with the Apple 20W USB-C?

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

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