I built a project that I need to power off-grid for at least a few months at a time. It doesn't really do much and it sleeps most of the time (all but a handful of times per day), but does include a XBee-PRO 900HP. I have been able to get the power consumption to approx 25 mA by putting both the ard…

Long-life Battery Powered Project

johnwasser January 3, 2013, 3:29pm 2

You could remove the power LED from the Arduino board. That should save you at least 5 mA.

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