The biggest drawback to lower voltage, assuming you need X watts, is larger diameter cables and/or shorter cable runs. If the batteries can be located next to the motor than this isn't much of an issue. But if the batteries need to be centered in the boat this can be very expensive. You can't just use smaller wires, because they get hot. They can get hot enough to start fires.
--- In electricboats@yahoogroups.com, "Peter" <peter@...> wrote:
>
> The OZecoDrive setup uses a 24 volt battery pack, whereas most of the other off-the-shelf setups use higher voltages. I understand it's all about Watts, but what are the upsides/downsides of the 24 volt system?
> It seems it would give one the option of having a lot smaller battery bank if you only needed it for docking etc.
>
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