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General discussion • Re: Will the pi 4 power a 5 volt 550 miliamp hard disk from USB ?

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Try it and see. Though your use of charger does cause concern. PSU's designed for charging batteries (eg "mobile charger") are less likely to maintain both the voltage and current advertised at the same time. i.e The more current drawn could cause a drop in the voltage that the Pi & peripherals require. There's also the resistance in the cable connecting source to sync to think about.

Statistics: Posted by wildfire — Thu May 02, 2024 4:25 pm



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