Chris - thanks for your reply. The battery capacity of the 1003 is 550 watt-hours. Charging at a 10% rate is 55 watts. That's pretty close to 45 - 50 watts which is the output of the supplied charger re 4 amps at 12 VDC. Steve S.
--- In electricboats@yahoogroups.com, chris Baker <chris@...> wrote:
>
> Hi Steve,
>
> Torqeedo states quite specifically in the 1003 manual that you can charge at a maximum of 4 amps. The limitation is amps not watts.
>
> And with a nominal 24v solar panel this would be about a 100 watts.
>
> I know of a 1003 owner who has two of those CIGS solar panels mounted on a bimini on his Sea Eagle kayak and he estimates that each hour in good sun gives him about 10% of the battery capacity.
>
> Cheers
>
> Chris
>
> On 14/05/2011, at 7:06 AM, Steve wrote:
>
> >
> >
> > The solar panel that Torqeedo shows on their website for charging the 503/1003 is rated at 45 watts. The Kill-O-Watt meter on my 801 charger showed 43 watts. The output of the AC charger for 503/1003 is rated at 12 VDC @ 4 amps or about 48 watts. I was hoping you could charge at a faster rate with a larger panel but all the signs are telling me that the charge rate for the integral battery is limited to 45 - 50 watts. I will have to assume that this is the case until Torqeedo tells me otherwise. Thanks. Steve S.
> >
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