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Ikea releases a pair of affordable USB-C chargers
(www.theverge.com)
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this post was submitted on 21 Mar 2024
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My cheap(ish) phone has ~30W charger too. It's something like 2,5A/12V or 1,5A/18V, which is pretty common these days. I believe I've seen phones with up to 100W charging capability (not sure about longevity though).
My work laptop (MacBook) is ~100W charging, but only ~5A at ~20V, and ~3A at anything under 20V.
I'm guessing phones with super fast charging work similarly.
Indeed, just check some PD charger specs, there are usually all the different volt/amp readings the charger can produce.