Current drain of all 12V devices:

+------------------+------------+------+--------+
|                  |            |      | Min/AH |
| Item             | Condition  |  I   | (Hr/AH)|
+------------------+------------+------+--------+
| 9020             | Rx         |0.09A | 11hr   |
+------------------+------------+------+--------+
| 9020             | Tx         |0.77A | 1.3hr  |
+------------------+------------+------+--------+
| 9020             | @ 50%DS    |0.43A | 2.3hr  |
+------------------+------------+------+--------+
| Argonaut         | Rx         |0.15A | 6.6hr  |
+------------------+------------+------+--------+
| Argonaut         | Tx         |0.57A | 1.7hr  |
+------------------+------------+------+--------+
| Argonaut         | @ 50%DS    |0.36A | 2.7hr  |
+------------------+------------+------+--------+
| 38 Special       | Rx         |      |        |
+------------------+------------+------+--------+
| 38 Special       | Tx         |      |        |
+------------------+------------+------+--------+
| 38 Special       | @ 50%DS    |      |        |
+------------------+------------+------+--------+
| IC2-AT           | Charging   |.038A | 26hr   |
+------------------+------------+------+--------+
| RFC amp          | Rx         |.027A | 37hr   |
+------------------+------------+------+--------+
| RFC amp          | Tx         |3.75A | 16min  |
+------------------+------------+------+--------+
| IC2-AT + RFC amp | @ 50%DS    |1.89A | 32min  |
+------------------+------------+------+--------+
| Low-I-Pole-light | On         |.315A | 3hr    |
+------------------+------------+------+--------+
| Hi-I-Dome-light  | On         |1.35A | 44min  |
+------------------+------------+------+--------+
| Hi-I-Tail-light  | On         |1.41A | 42min  |
+------------------+------------+------+--------+
| Air-Pump         | On         | 8.5A | 7min   |
+------------------+------------+------+--------+
| Inv              | No Load    |.06A  | 16hr   |
+------------------+------------+------+--------+
| Inv              | Soldering  |2.95A | 20min  |
+------------------+------------+------+--------+
| Inv              | Notebook   |1.5A  | 40min  |
+------------------+------------+------+--------+
| Inv              | Bug-Zapper |      |        |
+------------------+------------+------+--------+
| TV               | On         |0.58A | 1.7hr  |
+------------------+------------+------+--------+
| Cell Phone       | On         |.18   | 5.5hr  |
+------------------+------------+------+--------+
| Cell Phone       | Talking    |.56   | 1.7hr  |
+------------------+------------+------+--------+
Min/AH = 60/I
Hr/AH  = 1/I