I've used those before, they have a horrifying amount of noise on the output, lo... | Hacker News

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		Saris on May 1, 2023 \| parent \| context \| favorite \| on: DIY Adapter: Using an e-bike battery to run a lapt... I've used those before, they have a horrifying amount of noise on the output, lots of RF noise, and a very audible high-pitch whine. They also overheat very quickly even at half the 'rated' load.

JohnFen on May 1, 2023 [–]

Well, maybe don't go with a buck converter that is quite that cheap.

Saris on May 1, 2023 | [–]

It can be surprisingly hard to find much in between the super cheap stuff and the really expensive stuff! Those cheap ones work in a pinch though.

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