Note that if you power through the GPIO header pins you are bypassing all security measures (polyfuse, overvoltage, shorting protection) that powering through the microUSB offers, you also can make costly wiring (polarity) mistakes.MaxK1 wrote: ↑Wed Apr 25, 2018 8:07 amI have had couple of so-called PSU's go bad anywhere from an hour to a few days. (In other words, built to pass inspection, but not much else...) And as Mahjongg said - most inexpensive cables (even some of the spendy ones) are pure crap (thin wire, poor connectors) My preference is to power my Pi's (And my "other" SBC) via pins 2/6 with a 3A-6A power "brick" using short, heavy gauge wires whenever possible.
I have the opposite experience. Every charger/power supply/whatever with MicroUSB connectors have had no problems connecting to any of my Raspberrys. (Ok, so a couple were too weak to power them). On the other hand, I have only found a couple that will connect properly to my Samsung mobile phone and actually charge it.
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