#942 in Battery chargers & accessories
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Reddit mentions of eFreesia AC Adapter Power Supply 5V 5A (Tip Size: 2.5mm x 5.5mm with positive center) 4A 3A 2.5A 2A 1A
Sentiment score: 0
Reddit mentions: 3
We found 3 Reddit mentions of eFreesia AC Adapter Power Supply 5V 5A (Tip Size: 2.5mm x 5.5mm with positive center) 4A 3A 2.5A 2A 1A. Here are the top ones.
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Compatible with most devices that use a 5V 5A or lower amperage2.5mm x 5.5mm (Inner diameter x Outer diameter) with inside positive polarityInput: 100-240V~0.6A, 50/60Hz / Output: 5V 5000mA 25W Max12 Months eFreesia Warranty
Specs:
You could set the max_usb_current setting and get 1.2A from USB. You'd probably want to have a 4A USB power supply, though, to prevent CPU brownouts on the Pi.
That said, I don't recommend it. You're better off getting a 5V power supply with enough current to power the strip and an extra 2A for the Pi itself and powering the Pi from the 5V pins. Just get something like this and power both the LED strip and the Pi from it.
I used this power supply from Amazon, It's more than enough power if you are using to use uIEC, Wifi Modems, and Easy Flash and an Atari power supply. (Yes, you read that right.. The Atari power supply also shows a slightly higher voltage under no load.) I've been using this supply for a month+ with no issues.
https://www.amazon.com/gp/aw/d/B00KTQD6GU/ref=mp_s_a_1_3?qid=1451410299&sr=8-3&pi=SY200_QL40&keywords=5v+5a+power+supply&dpPl=1&dpID=41IAfTHF%2BGL&ref=plSrch
You'll have to replace the tip with a 2.1/5.5 charger tip or use these specs to find one with the right tip. Marc has a comment in FC about connecting a non-firewood power supply.
http://fuckcombustion.com/threads/firewood-vaporizer.9306/page-56#post-877201
However I have not tried this power supply so I can not guarantee that this will not break the device.