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  #11  
Old 10-24-2021, 07:26 AM
Lemos Lemos is offline
 
Join Date: Jun 2020
Location: Julian, California
Posts: 90
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Quote:
Originally Posted by BobTurner View Post
Just to echo others: Odyssey says to never charge their batteries at any voltage over 15 volts.
Can you point me to where you saw that?
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  #12  
Old 10-24-2021, 07:47 AM
sailvi767 sailvi767 is offline
 
Join Date: Sep 2010
Location: Charlotte NC
Posts: 1,389
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Here is the recommended range from the manufacturer. I was always told anything above 14.8 boils the electrolyte out of the cells over time even in a gel cell battery.
If the battery is used in a starting application, the alternator should provide between 14.2 and 14.5 volts at the battery terminals. In cycling applications, the absorb voltage should be between 14.4 and 14.8 volts, while the float setting (if applicable) should be between 13.5 and 13.8 volts.
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Last edited by sailvi767 : 10-24-2021 at 08:37 AM.
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  #13  
Old 10-24-2021, 08:35 AM
Mich48041 Mich48041 is offline
 
Join Date: Apr 2008
Location: Riley TWP MI
Posts: 3,236
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Quote:
Can you point me to where you saw that?
Page 33 of this document from EarthX says:
https://earthxbatteries.com/wp-conte...111017_Y-1.pdf
Do not charge above 14.6V
Do not use any charger with voltage that pulses above 15V! This will damage the battery.
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  #14  
Old 10-24-2021, 12:34 PM
BobTurner BobTurner is offline
 
Join Date: Dec 2011
Location: Livermore, CA
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Quote:
Originally Posted by Lemos View Post
Can you point me to where you saw that?
It’s on the Odyssey web site, I think under ‘charging’.
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  #15  
Old 10-24-2021, 02:18 PM
Mich48041 Mich48041 is offline
 
Join Date: Apr 2008
Location: Riley TWP MI
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The Odyssey Battery owner's manual says:
https://eu.odysseybattery.com/wp-con...A_May-2019.pdf
"The deep cycle charging voltage must be within 14.1V minimum to 14.7V maximum."
_
Read this thread:
http://www.vansairforce.com/communit...0&postcount=47
It says, ". . . exceeding 15.0V can cause overheating, overcharging and lead to premature failure."
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  #16  
Old 10-25-2021, 11:47 AM
3bythelake 3bythelake is offline
 
Join Date: Jul 2020
Location: Lakeport, CA
Posts: 13
Default Master switch

When I had that same problem it turned out to be a failing master switch.
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  #17  
Old 10-26-2021, 06:22 PM
Lemos Lemos is offline
 
Join Date: Jun 2020
Location: Julian, California
Posts: 90
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Turns out, Vans does not sell the Nissan Denso alternator. So, I have sourced one on eBay and am having it sent home. I’ll change it upon my return to California in about a week.

Thank you for the help getting this troubleshot.
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  #18  
Old 10-26-2021, 06:45 PM
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PaulvS PaulvS is offline
 
Join Date: Aug 2019
Location: Western Australia
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Do you mean Nippon Denso? (Nissan is a car/vehicle company; whereas Denso is a Japanese component manufacturer.)
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