Matthew Posted September 24, 2012 Report Share Posted September 24, 2012 Is there any change in the power consumption of the Symphonie 3 logger relative to the previous Symphonies? I have a new install, powered by a GSM iPack on a battery, which is discharging about twice as fast as I expected based on previous installs with the same size battery. If there is a higher power consumption, then I'll need to recalculate my battery size. If not, then I probably have a bad battery. I've previously calculated with 60 mA-hr / day for the 12V-2V DC-DC converter and 12.5 mA-hr / day for the daily GSM call, plus a safety factor of 2 in determining battery size. Link to comment Share on other sites More sharing options...
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