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  #1  
Old 10-29-2018, 11:34 AM
Jimbo54 Jimbo54 is offline
 
Join Date: Feb 2018
Location: Eugene
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Default Battery Tender

Is this what I want for the RV12 with an Odyssey battery?

BatteryMINDer® Model 2012-AGM $99.95.

http://www.batteryminders.com/2012ag...acid-batteries

Thanks. Jim
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  #2  
Old 10-29-2018, 12:00 PM
Vansconvert Vansconvert is offline
 
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Yes. I just researched it and bought one two weeks ago. Works fantastic.
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  #3  
Old 10-29-2018, 12:25 PM
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Sam Buchanan Sam Buchanan is offline
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Location: North Alabama
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Quote:
Originally Posted by Jimbo54 View Post
Is this what I want for the RV12 with an Odyssey battery?

BatteryMINDer® Model 2012-AGM $99.95.

http://www.batteryminders.com/2012ag...acid-batteries

Thanks. Jim
That is probably a good charger......but don't use it for trickle charging. Leaving a trickle charger on a battery has killed a bunch of Odysseys. That is a great battery that will hold nearly a full charge for several months. Trickle charging can result in premature death of the battery....do your battery a favor...leave the charger in the toolbox.

Many threads are in the forum archives on this subject, here is a recent one:

http://vansairforce.com/community/sh...ighlight=pc680
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Last edited by Sam Buchanan : 10-29-2018 at 12:30 PM.
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  #4  
Old 10-29-2018, 12:50 PM
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Piper J3 Piper J3 is offline
 
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I have Odyssey OBC-6A and leave it connected all winter long.

From Odyssey specs: Powerful enough to charge batteries quickly, yet sophisticated enough to leave them connected to your batteries indefinitely without damage...

The charger has a 6-stage process where stage #6 is:

Stage6-StorageReconditionMode: Duringthismodethe“StorageReconditionMode” green indicator will illuminate with a slow fade in and out pulse. This indicates that while your batteries are in storage the charger will automatically recondition the battery for up to 3 hours once a month extending battery life and maximizing the battery power performance.
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Last edited by Piper J3 : 10-29-2018 at 12:58 PM.
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  #5  
Old 10-29-2018, 12:56 PM
DHeal DHeal is offline
 
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I too am in the "anti-trickle charger" crowd. Trickle-chargers have their place but not IMHO on an Odyssey battery -- I think they can do more harm than good. Of course, the best charger is to fly often. If you can't do that, the Odyssey battery seems to maintain its charge for a relatively long period of time -- over several months or more. Early on I purchased the factory Odyssey 6-amp charger and was not impressed -- it did not seem to do any trickle-charging and only kicked in to charge if the battery was extremely low on charge -- in some cases, you have to "trick" the charger into operation using a second nearly dead battery. Like for many products there are folks on both sides of the value equation (Marvel Mystery Oil comes to mind at the moment).

ps -- Living in northern California's somewhat temperate climate may play a role in my current (;?) experience. In my former upstate NY winter flying days with lead-acid batteries, use of trickle-chargers and light bulbs under the cowl was standard procedure.
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Last edited by DHeal : 10-29-2018 at 01:05 PM.
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  #6  
Old 10-29-2018, 01:02 PM
lr172 lr172 is offline
 
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Quote:
Originally Posted by DHeal View Post
Early on I purchased the factory Odyssey 6-amp charger and was not impressed -- it did not seem to do any trickle-charging and only kicked in to charge if the battery was extremely low on charge .
There would be your evidence that Odyssey themselves do not recommend trickle charging. They properly set up their charger to charge the battery and shut off when finished. If odyssey thought trickle charging was good for their batteries, I have all confidence that they would have designed it to do that. Instead, they had to produce a special unit that doesn't trickle charge because every other charger out there does.

Larry
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Last edited by lr172 : 10-29-2018 at 01:07 PM.
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  #7  
Old 10-29-2018, 01:20 PM
alexe alexe is offline
 
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+1 for NO trickle charging. I have seen several Odyssey batteries go belly up when left on a trickle charger.
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  #8  
Old 10-29-2018, 01:30 PM
sandpiper sandpiper is offline
 
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Location: Independence, OR
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Quote:
Originally Posted by Piper J3 View Post
I have Odyssey OBC-6A and leave it connected all winter long.

From Odyssey specs: Powerful enough to charge batteries quickly, yet sophisticated enough to leave them connected to your batteries indefinitely without damage...

The charger has a 6-stage process where stage #6 is:

Stage6-StorageReconditionMode: Duringthismodethe“StorageReconditionMode” green indicator will illuminate with a slow fade in and out pulse. This indicates that while your batteries are in storage the charger will automatically recondition the battery for up to 3 hours once a month extending battery life and maximizing the battery power performance.
I also use one of these and have it hooked up at all times the plane is parked in the hangar.

This is my second Odyssey battery. The first one I replaced after 9 years just because. Others were talking about after 5-7 years having failures so I figured I was on borrowed time.

The first one was continually hooked to a Mean Well charger I got from Lockwood. I keep it as a backup. I got it out the other day and it was showing 12.42 volts on the multi meter. Maybe I didn't need a new battery after all??
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  #9  
Old 10-29-2018, 02:20 PM
rv7charlie rv7charlie is offline
 
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Default thread drift...

Only way to *know* whether you needed one is to do a load test. Charge it, hook up your typical in-flight load, and time it to Odyssey's spec for 'fully discharged' (IIRC, it's somewhere around 10.2-10.4 V). If the time comes up short of 75% of the new battery number (from their charts), it's time to replace. (Ability to start the engine tells you nothing about battery *energy* capacity; it only says it has enough *power* to spin the engine. )
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  #10  
Old 11-08-2018, 04:23 PM
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MartySantic MartySantic is offline
 
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Quote:
Originally Posted by Jimbo54 View Post
Is this what I want for the RV12 with an Odyssey battery?

BatteryMINDer® Model 2012-AGM $99.95.

http://www.batteryminders.com/2012ag...acid-batteries

Thanks. Jim
Have used that trickle charger since the original RV-12 battery was installed. Has been going strong after 9+ years. Have it plugged in continuously when the temperatures are below about 50 degF or when I have not been flying for a few weeks. Have been using the cheaper AGM version. Similar to this.... http://www.batteryminders.com/batter...er-desulfator/
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Last edited by MartySantic : 11-08-2018 at 04:26 PM.
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