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Is it a good idea to get a high wattage phone charging brick and standard USB C cord to use for a laptop charger? (self.techsupport)

submitted 4 months ago* (last edited 4 months ago) by Usernameblankface to c/techsupport

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My laptop charges with USB C, so when the standard charger broke, I just used the USB out port from an EcoFlow battery. The display on the battery said the laptop pulled 25-30 watts while charging. So, why can't I use just any USB brick that can output more than 30 watts?

Is there something that is bound to go wrong that I don't know about?

Are laptop chargers really that special?

(Edited for clarity)

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[–] [email protected] 3 points 4 months ago

I have no theoretical knowledge, but I've been using my personal laptop's 100W USB-C charger to charge my work laptop for a few months now and so far, nothing has exploded.