Re: How difficult would it be to convert this water heater from 12V to 6V?
Power = Amps X Volts (remember P=IE, it is a piece of pie!)
The minor disagreement with Synchro909 is that you are usually trying to maintain a given level of power, like a 5 watt light bulb. So, if you are trying to provide the same level of power at 6 volts instead of 12 volts, you must double the current. This is why the wire gauge in a 6 volt car is bigger than in a 12 volt car. The age old rule is that if you want to switch to 12 volts, your wiring is not a problem but all your light bulbs, etc must be changed.
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