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krc
Joined: 06 Nov 2017 Posts: 113 City/Region: SF Bay Area
State or Province: CA
C-Dory Year: 2006
C-Dory Model: 25 Cruiser
Photos: krc
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Posted: Wed Jun 01, 2022 5:36 pm Post subject: House battery |
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I noticed that interior lights would only stay on when the charger was on
(hooked to shore power). Strange. Getting 13.6 volts or so at the house battery with charger on (original Guest) I believe. House battery is a 24DC-140 from Alliance. When charger is off, voltage would float down and settle around 5-6 volts so I think that is a good indication the battery is toast.
It is a lead acid battery and frankly I haven't been checking the water level - would that perhaps recover the battery at all? Or is it just best to replace in the interest of time... the battery is at least 5 years old and I usually just replace at that age.
Next question - should I go with AGM? Are those compatible with the original guest chargers? Or just stick to the same battery? Recommended brands/where to buy?
Thanks.
K |
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thataway
Joined: 02 Nov 2003 Posts: 20829 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: Wed Jun 01, 2022 7:23 pm Post subject: |
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Replace the battery. Next time around check the battery water each time you go on a major trip and ever couple of months. If you leave the battery hooked up to the charger, it may boil the electrolyte off. The factory charger is not really a "smart charger". There are chargers which sample the voltage, and then apply a charge if the voltage is below a certain place.
You were just getting the voltage of the battery charger when you tested. _________________ 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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kaelc
Joined: 19 Jul 2017 Posts: 411 City/Region: Saanich
State or Province: BC
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: Island Magic
Photos: Stil-Afloat
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Posted: Thu Jun 02, 2022 10:56 am Post subject: |
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I went with an energizer 31 agm and replaced the quest charger with a Victron. I just feel more confident with my batteries being agm. |
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Dreamer
Joined: 01 Jan 2006 Posts: 1764 City/Region: Really Sunny SaddleBrooke
State or Province: AZ
Photos: Dreamer
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Posted: Thu Jun 02, 2022 1:40 pm Post subject: |
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We saw the result of letting a battery run dry and the charger left on recently. This was on a Golf Cart down the street. The house fire destroyed most of the house! _________________ Roger
Once a C-Brat, always a C-Brat
Dreamer- Sold 25 Feb. 2013 |
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