David — you need a controller! The open-output voltage under full sunlight of many panels is too high for your batteries; and if you get an MPPT controller, you’ll get good charging even under less-than ideal sunlight conditions, where the panel voltage is generally too low to charge without the controller.
Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On May 24, 2016, at 9:48 AM, David via CnC-List <cnc-list@cnc-list.com> wrote: > > Just to verify, it seems at 50 watts and a 400 amp battery capacity, I will > not need a controller. Or is t prudent to have one anyway... > > David F. Risch > 1981 40-2 > (401) 419-4650 (cell) > > > Date: Tue, 24 May 2016 10:42:39 -0400 > To: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > Subject: Re: Stus-List solar power setup...again. > From: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > CC: cenel...@aol.com <mailto:cenel...@aol.com> > > I built an adjustable frame for mine from PVC pipe for about $15. This allows > it to more directly face the sun and the frame collapses so I can store it, > with the panel attached, below. > > FWIW--it took less than an hour to build and glue the frame. Go the idea from > a you tube video. > > Charlie Nelson > Water Phantom > C&C 36 XL/kcb > > cenel...@aol.com <mailto:cenel...@aol.com> > > > -----Original Message----- > From: David via CnC-List <cnc-list@cnc-list.com > <mailto:cnc-list@cnc-list.com>> > To: CNC CNC <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> > Cc: David <davidrisc...@msn.com <mailto:davidrisc...@msn.com>> > Sent: Tue, May 24, 2016 10:28 am > Subject: Re: Stus-List solar power setup...again. > > Geez Bill...what the heck took you so long... > > Perfect. Thanks Bill, you saved a from much Googling! > > David F. Risch > (401) 419-4650 (cell) > > > To: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > Date: Tue, 24 May 2016 10:24:06 -0400 > Subject: Re: Stus-List solar power setup...again. > From: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > CC: billbinal...@gmail.com <mailto:billbinal...@gmail.com> > > http://www.ebay.com/itm/161669212758 <http://www.ebay.com/itm/161669212758> > The 50 watt one is 21x27 inches and quite thin. > Bill Bina > > > On 5/24/2016 10:06 AM, David via CnC-List wrote: > OK...so I am trying to put a trickle charger on top of my sliding > companionway hatch. Found a quality one within the length (27") and width > (24") of the hatch but it is too tall at 1" and the hatch will not slide > open. > > Anybody find a setup that might work that is not one of those cheapo packaged > units? > > Thanks in advance. > > David F. Risch > 1981 40-2 > (401) 419-4650 (cell) > > > _______________________________________________ This list is supported by the > generous donations of our members. If you like what we do, please help us pay > for our costs by donating. All Contributions are greatly appreciated! > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> > Virus-free. www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> > > <x-msg://6/#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2>_______________________________________________ > > This list is supported by the generous donations of our members. If you like > what we do, please help us pay for our costs by donating. All Contributions > are greatly appreciated! > > _______________________________________________ This list is supported by the > generous donations of our members. If you like what we do, please help us pay > for our costs by donating. All Contributions are greatly appreciated! > _______________________________________________ > > This list is supported by the generous donations of our members. If you like > what we do, please help us pay for our costs by donating. All Contributions > are greatly appreciated!
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