RE: Unboxing the Raspberry Pi 4 and accessories
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Doesn't the Pi give the underpowered lightning bolt with only 2.5 Amps? All my 2.5 amp chargers give my pi3 a sad yellow bolt :( I assume, since they made it able to do this that it will work.
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2.5A should be plenty unless you have accessories.
It's very likely your power supply isn't truly 2.5A. Most power supplies are overrated and unreliable.
I believe the Pi 4 will run at 1.3A if you have the latest firmware and running at 100% usage. (Source)
TBH, the only 2.5 amp chargers I have are Samsung fast chargers that came with my cell phones. At one time they worked with no lightning bolt, but one update that changed. So maybe there's something in the pi or charger circuitry that prevents it from kicking up to the "fast charging" 2.5A
One less cable going to the pi is always a good thing, I hope the PoE hat works out well for you or your friend. Not sure if that one was for home use or a retro pie
Ok. You might be on to something because there is a known problem with the Pi 4 and third party power supplies. I am not sure if it is completely fixed or not but it was one of the reasons I held off on the Pi 4 initially. That and the heat problems.
I would make sure you are running latest firmware by doing ‘sudo apt full-upgrade’
https://www.google.com/amp/s/www.tomshardware.com/amp/news/raspberry-pi-4-usb-c-update