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Apr 6, 2020 at 21:27 comment added feetwet @MadsSkjern – DC power supplies with high efficiency ratings are more expensive than those that are not.
Apr 6, 2020 at 21:14 comment added Mads Skjern I don't understand what you mean when saying that high-efficiency DC converters "carry an up front premium". Could you please explain?
Jan 27, 2015 at 4:25 history answered feetwet CC BY-SA 3.0