There are many ways to create a DC water heater, including installing a solar panel and battery backup. However, this isn’t the easiest project. You will need a large tank and insulation. A smaller element of less than 1kW can be used. The water heater can be powered by excess power from an alternator, SOC, or voltage. For a more environmentally friendly option, you can use your car’s alternator to power your water heater.
How to Make a DC Water Heater
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