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  #1  
Old 10-21-2022, 06:08 PM
BillL's Avatar
BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
Posts: 6,902
Default Odyssey PC680 - did you know?

A few of us still use the Odyssey PC680 battery.

I have had mine since 12-2017, and it gets a slow spin now and again. So, coming up on 5 years. Time to do some research . . .

When I went looking found that the red-top-black case or the red-top-red case are variants of the PC680. I am finding the red case has a higher listed price, so it has to be better - right?

I sent a note to Odyssey about this for an "RV application", and here is the answer to: "are they the same?

"Yes, the guts are the same. Actually we put the black battery <guts> into a red "metal jacket" which is a sheet metal sleeve. The metal jacket increases the operating temperature of the battery which I wouldn't think is needed in an RV application."

This metal jacket increases temperature specification from 113F to 176F.
It looks like the red case has better specs for our RV's in spite of the additional weight but wonder about field experience.

Has your experience in battery life been the same for either? Black case - ODS-AGM16L (PC680) or Red case - ODS-AGM16LMJ (PC689MJ)
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  #2  
Old 10-21-2022, 06:26 PM
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MacCool MacCool is offline
 
Join Date: Aug 2020
Location: central Minnesota
Posts: 1,467
Default

I have two PC-680s in parallel on the firewall. Backup avionics are wired to number 2, which I would switch in if needed. 5+ years on these batteries in including 3 Minnesota winters. They're on an Odyssey battery charger OBC-6A 24/7 while in my hangar. They have both been utterly reliable.
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  #3  
Old 10-21-2022, 07:41 PM
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AlexPeterson AlexPeterson is offline
 
Join Date: Sep 2005
Location: Ottertail, MN
Posts: 2,562
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I've had the plastic jacket 680 for maybe 15 years now, perhaps 3 or 4 of them. It survived a 1.5 hour taxi at Oshkosh some years ago... I'm sure it was nearly roasted.

I believe the metal jacket one is larger dimensionally, so be aware of that.
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  #4  
Old 10-21-2022, 08:32 PM
Bavafa Bavafa is offline
 
Join Date: Oct 2007
Location: Sacramento, CA
Posts: 4,186
Default

I had a Red/Black type that I purchased in 2007 and was put to service in 2008 and worked fine till 2019. I always connected it to a trickle charger when not in use which some people say is a no no.

It seems the older one last much longer than the new ones.
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  #5  
Old 10-21-2022, 10:32 PM
crabandy crabandy is offline
 
Join Date: Jan 2010
Location: Ottawa, Ks
Posts: 2,462
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My undocumented theory is that heat kills batteries, and pre-2012ish odyssey batteries were better.
I killed a std plastic orange Odyseey battery once a year in Kansas temps from 2013-2017 if memory serves correctly. Iím sure the higher temp rating would last longer.
My 1st EarthX lasted about 4 years in the same airplane and same environment, but only a year on the second one so time will tell.
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  #6  
Old 10-22-2022, 04:27 AM
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jliltd jliltd is offline
 
Join Date: Sep 2013
Location: Rancho San Lorenzo
Posts: 1,386
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A friend of mine bought the jacketed version (red) to replace his non-jacketed battery (black). The jacketed version is wider in both dimensions due to the thickness of the metal jacket. So it wouldn't fit. He brought it to me and I removed the jacket, which was not a simple process but worked out in the end.
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  #7  
Old 10-22-2022, 07:28 AM
Tooch Tooch is offline
 
Join Date: Nov 2011
Location: Amelia, Va
Posts: 357
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I also buy the one with the metal jacket and just remove it.
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  #8  
Old 10-22-2022, 02:40 PM
cajunwings cajunwings is offline
 
Join Date: Jun 2007
Location: new iberia la
Posts: 937
Default 680

The metal jacket model does not fit in the standard vans battery box. The battery is glued into the jacket with a big dab of clear silicone on front and back sides. Local autozone usually has 680ís with the metal jacket. You can slice open a corner of the metal jacket with a cutoff wheel (there is a bit of space in the corners) but easier and quicker way is a serrated bread knife inserted between the battery and the jacket and just cut thru the silicone.

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  #9  
Old 11-16-2022, 06:10 AM
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swisseagle swisseagle is offline
 
Join Date: Feb 2005
Location: 20km outside of Zurich, Switzerland
Posts: 522
Default Vans use the metal jacket as battery box

The VANS metal-Jacket is very tight on the battery. It seems, that the metal jacket itself is the battery case, which is used as the battery holder, together with two angles left and right.

So if you buy a jacket version, it does not fit.
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  #10  
Old 11-22-2022, 05:22 PM
JET14 JET14 is offline
 
Join Date: Aug 2019
Location: Ridgeway, SC
Posts: 49
Default Odyssey PC680

I'd look for alternatives. I have an Odyssey AGM16L PC680, new in the box that came in my Firewall Forward Kit in June of this year. The battery won't hold a charge and shows an internal short. Odyssey Corporate won't warrant it. Van's won't warrant it. Van's distributer won't warrant it.

Better be looking for options. Mine is a $185 boat anchor.


Last edited by JET14 : 11-23-2022 at 03:22 PM.
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