Rackluster,

I have been researching Jesse's Hunting Pages (JHP) on how to build my own. I have noticed that most of the simple, straight forward setups are just as you explained, 1 9V for the sensor and 2 AA's for the camera and they last about 3 to 4 months. However, I'm no power or wiring expert, but from what I'm reading since these are custom units so are the power supplies. They are using everything you can think of from standard 6V & 9V batteries to rechargeable cordless drill and RC car batteries to 12V car batteries. One setup I saw actually had a recharging solar cell panel built in and he never changed his batteries. Not to mention these guys are always figuring out ways to reduce the power consumption on the sensors.

Toby