RE: Charging from OBand more
Eric Johnson (ej@tx3.com)
Thu, 4 Feb 1999 11:49:53 -0800
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West Wight Potter Website at URL
http://www.lesbois.com/wwpotter/
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> >John,
> I have a Nissan 8hp with electric start and generator. It seems to do the
> job well for me. I have a group 24 gel cell and a group 27 wet cell
> connected to a battery switch in the cabinet under the stove. From the
> switch I ran +& - leads to under the aftmost portion of the port coaming.
> All leads (wires) are 4 gauge marine grade tinned wire. These are huge and
> overkill but I did not want any loss of power due to resistence, as I had
> called Nissan US in Texas and was told by a Tech rep that (off
> the top his
> head--"he didn't know") at best I could expect only 2/10ths of an amp for
> charging batterys.
> I installed a electric trolling moter plug recepticle through the port
> coaming just forward of the aft cleat and installed the male plug to the
> wires coming off the moter. This allows not only the connection of the
> Nissan but also should I chose, connection of a electric trolling moter.
> RESULTS: When cruising I conserve power but still run Boom
> Box,GPS,VHFRadio,and lights. Running the Nissan approx. two hours a day
> seems to keep up with consumption. I think (and have no data to support
> this) that the Nissan is probably putting out closer to 2 amps. Thanks to
> Solar Fry for the info 13.8 volt upper limit info as the reason I called
> Nissan was I was afraid of cooking my Gel-Cell with too much voltage.
FWIW my fish finder lists input voltage in the system, and when the motor is
cranked on my tohatsu 5 it sometimes displays as high as 16+V. But it may be
getting fooled by the pulsed nature of the current coming from the OB.