Thread: Try to charge, LED flashes orange once, phone doesn't boot?
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shadowjk is offline shadowjk
2011-05-15 , 12:51
Posts: 1,258 | Thanked: 672 times | Joined on Mar 2009
#17
Yeah at 4.1 it's probably flashing for "Undervoltage" error.
A led wouldn't use much power.

Try add capacitors on your output as close to N900 as possible?

I myself built a pack out of a 11.1V rc lipo battery and a 5V/3A RC UBEC, and that seems to work.