OASIS/NOAA Equatorial Pacific Energy use

                                  Acquire  Sample          Consump.  Consump
  Sensor       Number   Current    Time    Interval   Hrs    /day     /year
              Deployed   (ma)      (sec)    (min)    /day  mAh@12V   Ah@12V
  ------      --------  -------   -------  -------   ----  -------   -------
Battery Pack 1 - 10-15VDC
OASIS		  1	   25	  25% duty	      24    120       43.8
NO3		  2	internal
WetStar		  2        45       10        15      24     24        8.8
PRR		  2	  250       10        15      12     66.7     24.3
MCP-200		  2        45       10        15      12     12        4.4
Satlantic	  2         4       10        15      12      1        0.4
Lens covers	  3       150       10        15      24    120       43.8
AC-9		  1	  800	    25	      15      24    533      194.7
pCO2		  1	 1000	   200	     180      24    444      162.2
pCO2 pump	  1        40       60        15      24     64       23.4
March pump *	  1       500@8V    30        15      24    314      114.5
							            -------
							             620.3
Battery Pack 2 - 7-11 VDC
Argos PTT	  1	  750 ma send @ 1/55 duty, 8 hrs/day          31.9
			  + 150 ua quiescent, 24 hrs/day

Battery packs:
Pack 1:  52 strings of 10 D cells @ 12 Ah/cell = 624 Ah @ 9 to 15 VDC
Pack 2:   4 strings of  7 D cells @ 10 Ah/cell =  40 Ah @ 7 to 10.5 VDC

* Note - March pump operates at 8VDC, we generate via DC-DC converter,
         assume 85% efficiency