Can I use 65/60watt charger on 100w rated Swift Go 14 OLED? (Model: SFG14-71-59wx)

I want to replace my acer 100W TypeC brick with an aftermarket 100W charger with 4 ports. It does outputting 100W only when one port connected, and it works fine as if Im using acer 100W included brick. However, as soon as I use 2/3/4 ports at the same time, I will only get 60/65Watt max to charge my laptop and then Win 11 will give me a "slow charger" notification. Is it safe to leave it like that and ignore the warning? or should I be using 100W only mode? I wonder if using 60/65Watt will damage anything.

Here is my laptop info, maybe it will help.
Model: SFG14-71-59wx
Acer Swift Go 14 OLED WQXGA+ 2880x1800
Intel EVO i5-13500H

[Edited the thread to add model number to the title]

Accepted answers

StevenGen

https://community.acer.com/en/discussion/726373/can-i-use-65-60watt-charger-on-100w-rated-swift-go-14-oled

Yes you can. as your SFG14-71-59wx with the i5-13500H cpu and the Acer supplied 100W USB-C charger is really and overkill, as Acer mainly lists the USB-C 65W adapters (see caption below) and only the higher spec SFG14-71 with the i7-13700H / Iris Xi graphics / 16GB LPDDR5-4800MT/s ram model need to use the USB-C 100W adapter that Acer lists for the SFG14-71 model.

Btw, and just as an ensample, I'm using a Swift SFX14-51G that has the i7-1260P / RTX™ 3050 Ti / 16GB LPDDR5-5200MT/s and that needs to use the USB-C 100W that was supplied by Acer, but your SFG14-71 model with the lower spec laptop a 60W or 65W USB-C adapter supplies adequate power to use. Good luck and hope this helps you out.

Acer Swift model SFG14-71 Acer listed suitable adapters.

If this answers your question and solved your query please "Click on Yes" or "Click on Like" if you find my answer useful👍

destong

Update: 65W confirmed usable
Turns out I don't get the "slow charger" notification when I use 65W mode. The notification popped when lower Wattage used (example: 60W, 45W). It's just me who has misunderstood how the aftermarket charger works. Now I can use both 65W and 100W mode peacefully.

All comments

StevenGen

https://community.acer.com/en/discussion/726373/can-i-use-65-60watt-charger-on-100w-rated-swift-go-14-oled

Yes you can. as your SFG14-71-59wx with the i5-13500H cpu and the Acer supplied 100W USB-C charger is really and overkill, as Acer mainly lists the USB-C 65W adapters (see caption below) and only the higher spec SFG14-71 with the i7-13700H / Iris Xi graphics / 16GB LPDDR5-4800MT/s ram model need to use the USB-C 100W adapter that Acer lists for the SFG14-71 model.

Btw, and just as an ensample, I'm using a Swift SFX14-51G that has the i7-1260P / RTX™ 3050 Ti / 16GB LPDDR5-5200MT/s and that needs to use the USB-C 100W that was supplied by Acer, but your SFG14-71 model with the lower spec laptop a 60W or 65W USB-C adapter supplies adequate power to use. Good luck and hope this helps you out.

Acer Swift model SFG14-71 Acer listed suitable adapters.

If this answers your question and solved your query please "Click on Yes" or "Click on Like" if you find my answer useful👍

Puraw

https://community.acer.com/en/discussion/726373/can-i-use-65-60watt-charger-on-100w-rated-swift-go-14-oled

IMO not, I recommend to use 100W laptop USB-C chargers that have fixed 5A thick USB-C cords. Multiport universal adapters and docks won't work, either fast battery charging won't work or Windows power management will throttle power. If you use the USB-C doc simultaneously with the 100W USB-C charger I am not sure what the PD priority will be, whatever is plugged in firsts may count or the most powerful (static) source may have priority.

destong

https://community.acer.com/en/discussion/comment/1345952#Comment_1345952

So even though it is rated 20V 5A (100W) under the laptop I can use 65W charger? but I concerned about the "slow charger" notification

I also have done some searching before, it seems that in some countries only the 65W charger is included despite their SFG14-71 is rated for 100W charging… ¯\_(ツ)_/¯

destong

https://community.acer.com/en/discussion/comment/1345955#Comment_1345955

As I mentioned the 100W charging is working fine because the cable is rated for 100W. I also always make sure that my laptop is plugged in first. So if I can't use 60/65W, my option would be not using the other ports while I'm charging my laptop.

Puraw

https://community.acer.com/en/discussion/comment/1345962#Comment_1345962

Yes, that is correct, don't share ports, but then you will use the 2nd charger/dock only for Power Delivery? Why use 2 chargers? Or are you referring to the other ports (DP-USB-C) of the SFG14-71?

destong

https://community.acer.com/en/discussion/comment/1345963#Comment_1345963

By not using the other ports (for charging my phone, etc), I'm referring to the 3 other ports on the 100W aftermarket charger, so my laptop can get the 100W output from a C-to-C cable.

I think it's okay to use 65W output because I don't do demanding tasks while charging, only MS Office/browsing. With 100W output, my laptop often gets very hot because of that fast charging. But I will make sure to use 100W when I do demanding tasks like gaming or video editing.

Puraw

https://community.acer.com/en/discussion/comment/1345967#Comment_1345967

As long as that works OK for you, no issues. 😉

destong

Update: 65W confirmed usable
Turns out I don't get the "slow charger" notification when I use 65W mode. The notification popped when lower Wattage used (example: 60W, 45W). It's just me who has misunderstood how the aftermarket charger works. Now I can use both 65W and 100W mode peacefully.

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