Steam Hardware

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30W output PB is fine for Frame (pawb.social)

submitted 6 days ago by Arkthos@pawb.social to c/steamdeck@sopuli.xyz

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I have seen a lot of people argue you must use a 45W output power bank, probably because it's the charger output Valve recommends for continuous play.

I have yet to pass 30W during play (admittedly I play with 100℅ brightness, not 120%). It will charge at a miserably slow rate, but if I start a session at full battery, I also end the session with a full battery.

If you own a 30W power bank already, it is not some strict requirement to upgrade it for the frame, just make sure to use the right output port.

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[–] aBundleOfFerrets@sh.itjust.works 1 points 6 days ago* (last edited 6 days ago)

There is a standard. A power source only needs to provide sufficient voltage to reach it’s rated power, given the maximum current of 3A on a non-eMarked cable, given voltage steps of 5V, 9V, 15V, 20V. Offering higher voltages than is neccesary is optional. This means that only adapters greater in power than 27W are required to support 15V, and only adapters greater in power than 45W are required to support 20V.

IMO, this is not unresonable. Would you prefer manufacturers be forbidden from offering voltage profiles higher than is necessary for their power rating?

(This is not neccesarily true for powers above 60W, and ignores PPS, EPR, and AVS. Above 60W you need eMarked cables and it gets a bit more complicated)