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April 6th, 2024 04:19

m16 R2, charging while powered off via USB-C?

Hi there, just wondering whether Alienware m16 R2 is able to take charge from the USB-C port? I don't intend to use it while getting charge from USB-C as I understand the power requirement of it. However, is USB-C charging an option to top up the battery when it's powered off? What's the maximum charging watts (say 100w) for if it is possible?

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April 6th, 2024 06:56

The thunderbolt 4 port from your Alienware is designed to connect to a thunderbolt 4 docking station such as WD22TB4.  The typical power delivery from these docking stations is 130w to Dell systems and 90w for non-Dell systems.  Hence, the suggestion to use up to 130w USB-C charger was taken safety into consideration.

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April 6th, 2024 04:32

There is no official support for USB-C charging on this system.  However, trickle charge with USB-C while the system is off should be possible.  Use the thunderbolt port as it's wired for power delivery.

Since it's a non-support method, there is no guideline for the maximum power requirement.  You can attempt with 130w USB-C charger, preferably Dell brand charger from XPS and Precision product line.

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April 6th, 2024 05:24

Thanks Chino, i'm just a bit afraid that it would damage the motherboard or battery with 100w plus attempt so want to double check before trying. the usb c thunderbolt port is set up for PD charging external devices but it looks like that's below 30w output? would it suggest the same for input limit?

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April 8th, 2024 06:22

@Chino de Oro​ that's very insightful thank you Chino, i'll give it a go =)

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April 30th, 2024 02:50

I can see in the manual for this system that it can do up to 15 W power share through the thunderbolt port, but I assume that means output, so to charge a phone or whatnot. Is there any documentation that officially states what it can handle for input? I have a nice 100W Anker USB C charger that would be lovely to use instead of the big brick for evening work from home tasks or quick backup power during meetings. I also have a Dell WD19 dock in my office that would be nice to have as backup input in case I forget my charger or something. 

5 Practitioner

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April 30th, 2024 03:24

Dell coded their system BIOS to detect and accept Dell OEM chargers.  If you use a third party power adapter, it may be accepted at a lower input wattages or right out rejecting it.  Therefore, can not give you a definitive answer.

However, you can always performing a test.  Boot your system into BIOS settings, then plugging in the Anker charger.  Observing to see if the charger can be recognized in BIOS and the accepting wattages.

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