400W x 2h is 800Wh or 0.8kWh. you're off by 10x rob :)

ben

--- In harryproa@yahoogroups.com.au, Rob Denney wrote:
>
> Thanks for that. Very impressive.
>
> If you have 400W of solar panels, will 2 hours of (bright) sun fully
> charge 8kWh batteries?
>
> In bright sun, could you motor at 4.5 knots (4kWh) without battery use?
>
> Hope it proves reliable, as this is a significant jump in auxillary motors,
> imo.
>
> rob