5 A Shottky diode \ |(band) (or optionally much larger)
  +--------+------->|--+-------------+-------------------------+---+--------->
  |        |     A/ |C |             |                         |   |
  |+Nominal|<-+        >             >                         >   |+  Nominal
----- 12   |  |        < 2.4K   200K <                     10K < ----- 13.8
 ---  Volt |  > Opti-  > .25W   .25W >       +--+         .25W >  ---  Volt
----- Solar|  < onal   <  R3     R2  <       |  |           R4 < ----- Lead
 ---  Panel|  > 1.8    |    -----    |       |  > R1           |  ---  Acid
-----      |  < Ohm    |   | ZM  |   +--+----+  < 91K   +------+ ----- Storage
 ---       |  | 100W   |   | 330 |   |  |    |  >.25W   |(band)|  ---  Battery
 -|        |<-+ RL     |   | 64C |   |  < CCW|  <   5.1V|C /   |  -|
 ---       |       +---+    -----    |  ><---+  |     -----    |  ---
  -        |  Zener|   | Out| | |Gnd |  < 500K ---   / A^Zener |   -
 ZM33064C  |  5.1V |C /+----+ |---   |  > R8    -       |      |      POWER
  Voltage  |     ----- |      | -    |  < CW  LM2902   ---     |       MOSFET
   Monitor |    / A^   |   VCC|In    |  |     /|        -      |      -------
 --------- |      /|\  |  +---+---+  |  |  O /+|-----+-----+   |     |       |
 |       | |D      |   |  | LM2902|  |  +---<  |3    |   V0|  +|VS   --|-|-|--
  \| | |/  |--|   ---  |  |    /| |  |  |  1 \-|-+   |     -----     --|-|-|--
   |-|-|   T1 | |- -   |  | O /-|-+  |  > 20K \|2| -----  |LM50C|      | | |
   | | |  IRL | |      |  +--<  |6   |  < .25W   | -----   -----       G D S
   O I G Z44N | |G     |    7 \+|-+--+  >R6+--+  |   |.47uF  |Gnd      a r o
   u n n   |->| |------+       \|5|     <  |  |  |  ---     ---        t a u
   t   d   |--| N Channel         |     |  |  >CW|   -       -         e i r
  Bottom   |S   Power MOSFET    -----   +--+  <1K|                       n c
   View    |    No Heat Sink    -----         ><-+                         e
          ---   Required for 470pF|     +--+  < R7                     Lead
           -    Up To 7 Amps     ---    |  |  > CCW                     View
                                  -     >  |  |
                                        <  +--+
                                        > 2.7K
                                        < .25W
                                        |  R5
                                       ---
                                        -