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nicklee
Joined: 21 Aug 2023
Posts: 3
City/Region: Seattle
C-Dory Year: 1988
C-Dory Model: 22 Classic
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 Posted: Mon Aug 21, 2023 5:36 am Post subject: Battery charging |
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| I am curious to know what most of you guys with boats do for battery charging when there is little to no floor space for solar panels... |
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ssobol
Joined: 27 Oct 2012
Posts: 3374
City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
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| Posted: Mon Aug 21, 2023 10:33 am Post subject: Re: Battery charging |
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| nicklee wrote: | | I am curious to know what most of you guys with boats do for battery charging when there is little to no floor space for solar panels... |
If I am not cruising, I just run the engine at about 1000 rpm for awhile. I have a battery monitor that lets me see when to stop. |
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DayBreak
Joined: 16 Jul 2017
Posts: 847
City/Region: Monmouth, Or.
State or Province: OR
C-Dory Year: 2018
C-Dory Model: 23 Venture
Vessel Name: DayBreak
Photos: DayBreak
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| Posted: Mon Aug 21, 2023 11:19 am Post subject: Re: Battery charging |
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| nicklee wrote: | | I am curious to know what most of you guys with boats do for battery charging when there is little to no floor space for solar panels... |
We use a Renogy 100 watt flexible solar panel. We have been using ours for about 5 years and are quite happy with it. It is lightweight and stores easily in the cabin when not in use. It can be used in a variety of locations and often we hang it vertically to better face the sun.
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Gary F
DayBreak, 23 Venture, 2018 - present |
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thataway
Joined: 02 Nov 2003
Posts: 20812
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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| Posted: Mon Aug 21, 2023 12:47 pm Post subject: |
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A lot depends on the outboard motor, and what type of battery you have. Most of the 150's will have 44 to 50 amps output. Older 90's and that platform only17 amps,
I have found that running the 150 for about 5 hours a day brings the batteries to about 85% State of Charge. Difficult to get outboard powered boat batteries higher than that. With the LiFePO4 200 amp hr bank, it would keep up with the refer/freezer, and most of the time induction burner cooking and a little microwave use,
If that does not keep it up, then I use a Honda generator or mains power. The Li battery charges at up to 80 amps with the Victron Multiplus. 2000, 80, 50 (120 volt boost)
The FLA batteries are charged with a NOCO "genius" mains charger at about 20 amps max.
_________________
Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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