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Camper owners often invest in lithium batteries and solar panels, but the main limitation for extended off-grid travel is the fresh water tank. With average consumption of 7–25 liters per person per day, a standard 60–120 liter tank empties quickly. Water-saving habits—turning off the tap while brushing teeth, using the navy shower technique, and washing dishes in a basin—can add days of autonomy. Managing grey water and maintaining the water system are also essential.
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