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  #1  
Old 04-04-2017, 10:57 AM
xkahoona xkahoona is offline
 
Join Date: Oct 2008
Location: Irwin, Pa
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Default Odyssey PC 680

Too many issues with my Odyssey battery. Has anyone switched to a stronger battery.
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  #2  
Old 04-04-2017, 11:30 AM
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Gash Gash is offline
 
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I'm using EarthX now. Love it. Will never go back.
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  #3  
Old 04-04-2017, 11:40 AM
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Sam Buchanan Sam Buchanan is offline
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Quote:
Originally Posted by xkahoona View Post
Too many issues with my Odyssey battery. Has anyone switched to a stronger battery.
That is an intriguing statement. While there are indeed larger batteries, those of us who have used the PC680 for many years would be interested in hearing what kind of issues you have experienced. There might be a fairly simple solution that the knowledge base on this site can offer.
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  #4  
Old 04-04-2017, 11:53 AM
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bret bret is online now
 
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The battery in my new setup is also the Earth X 900. Pull the spark plugs and you can almost taxi with the starter
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  #5  
Old 04-04-2017, 12:00 PM
Ron B. Ron B. is offline
 
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Location: Yarmouth, Nova Scotia
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I'm only going on my eleventh year on my PC 680 in my O-360 SuperCub.
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  #6  
Old 04-04-2017, 12:02 PM
jabarr jabarr is offline
 
Join Date: Sep 2008
Location: Fayetteville, Georgia
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Coming up on my sixth year with the Odyssey. Many on our field have equally impressive results. Do you, by chance, keep it on a tender? They don't seem to like that.
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  #7  
Old 04-04-2017, 02:32 PM
Bavafa Bavafa is offline
 
Join Date: Oct 2007
Location: Sacramento, CA
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I pulled my PC680 after nearly 8 years which it was still all good. I am currently on a EarthX680 and wonder if the less weight was worth the additional $300+
We will see if my EarthX will last as long but there has been no issues so far.
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  #8  
Old 04-04-2017, 03:45 PM
BobTurner BobTurner is offline
 
Join Date: Dec 2011
Location: Livermore, CA
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There seem to be many that have great luck with Odyssey, and a few that don't. Unfortunately I'm one of the latter. I'm on my third one and cannot figure it out.
PC925 in a -10.
It IS mounted on its side (Odyssey says that's okay, but is it really?)
Voltage measured with a good voltmeter, at the battery terminals, is 14.1-14.2 volts with the engine running. Is this too low?
I make a fair number of 30-40 minute flights. Are these too short?
I do not run a trickle charger. I have used an Odyssey approved "optimizer" (I think) charger a few times to bring it back up to fully charged.
Symptom: voltage measures 12.8 (fully charged). Turn on avionics, engine off. Within 2 - 3 minutes voltage is down to 12.0. After that, it continues to decrease but at a much slower rate. It's as if it's lost the top 40% of its capacity. It does always start just fine.
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  #9  
Old 04-04-2017, 04:10 PM
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Vlad Vlad is offline
 
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Quote:
Originally Posted by xkahoona View Post
Too many issues with my Odyssey battery. Has anyone switched to a stronger battery.
Just get a new Odyssey. Fly often, never use a charger and you you won't have issues any more.
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  #10  
Old 04-04-2017, 05:39 PM
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Gash Gash is offline
 
Join Date: Aug 2009
Location: Goodyear, Arizona
Posts: 616
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If you're trying to save weight, compare the weight difference between the Odyssey and EarthX. Both brands worked fine for me, but the EarthX is much lighter and cranks a lot stronger than the Odyssey.
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