I've had mine turned on and off since last night..keeping track of how long the battery will last while I'm sitting here to watch it. One thing i've noticed is if you have it on full screen brightness that it drops the voltage 1 volt.. compared to mid level lighting, so I'd suggest running it there or the lowest setting if you can see it good enough.
I'll take some pics and post them up in a bit. Nothing special... a Plano waterproof case, ram mount ball attached to the top.. the ram mount arm and gimble bracket as removed from my boat, the PC-23x power cable, an old 12v - 7Ah battery that came out of our alarm system (I may need a new one but seeing how long it lasts), an old motorcycle battery charger I had and the transom mount transducer that I don't use on the boat (as I have a built in on my motorquide wireless). Total cost for what I didn' t have.. about $65 if you include the Ram flanged ball. I put one notch in the case so no wires ever have to be connected when outside.. gloves on etc. Open the lid.. lift the unit out.. put the power cable in the slot and close the lid... ram mount to ball.. drop the transducer in the hole and turn it on.