The dog and I really enjoy going camping out in the wilds in our little teardrop camping trailer.
This is a really lightweight trailer, so I can easily pull it with the 1.8 liter Toyota Crayola and still get more than 30 miles per gallon. The trailer has photovoltaic cells on the roof which charge two deep cycle batteries. These power a 1,600 watt inverter, which in turn provides 115 vac for the microwave oven. The trailer has rechargable lights inside, an mp3 player, and a tiny little black and white TV.
The limiting factor the last several times we have gone out is that after two nights out I really long to clean up with a hot shower.
(click on this photo and it will enlarge)
So I bought a Coleman propane powered demand hot water heater with the shower attachment. It has a built in rechargeable battery, which can also be recharged from the electrical system in the teardrop trailer.
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At the home improvement store I bought a collapsible fiberglass pole which supports the inflatable shower stall. When I’m not using it the pole goes under the side of the mattress, and the shower stall goes back into its stuff sack.