Is there any difference from one another? I keep hearing that using chargers is absolutely a no-go and that power supplies are much safer and better overall. Do you guys confirm this?
Thanks in advance.
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Not all USB power supplies are rated for the current the rpi requires (i forget the number off hand). Anecdotally I had nothing but trouble using a name brand charger supposedly rated for the correct current, which disappeared the instant I switched to a $15 power supply specifically sold for rpi.
For the minor cost and potential headaches of brownouts and unexpected shutdowns, and given that you are asking the question, I would absolutely go with one made for an rpi.