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Old 12-18-2013, 10:12 PM   #29
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Originally Posted by terry735001 View Post
just make sure there not in a bay that can get to cold i lost 2500$ of AGMs when i could not stop the cold from getting to them
How cold is cold? Mine have been down to 1o without any ill effects.

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Old 12-19-2013, 11:44 AM   #30
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My four AGMs seem to have survived the recent cold snap here with temps down to 15 below F. If they are properly charged, cold should not affect them.

2013 Leisure Travel Vans Unity U24MB, 635 watts solar, 440 AH batteries, 2000 watt inverter, Koni struts and shocks, Hellwig rear anti-swaybar, SumoSprings front and back, 2012 Hyundai Accent SE, Blue Ox baseplates, Aladdin towbar and Patriot
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Old 12-19-2013, 02:52 PM   #31
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When I purchased my Lifeline AGM's from Lifeline in California, I asked this question, "Do your batteries need to be equalized" and contrary to what others have said here, the answer was YES. Our AGM's need to be equalized but most other brand AGM's don't.

As a matter of fact, when AM Solar did my solar system, the controller was programmed to do a equalization. I ask why? Was told that the Lifeline batteries love this, and by the way, Lifeline is all the AM sold at that time. I don't know about now.

Call Lifeline and ask them, they have a ton of information that they will share for free. I did! 909-599-7816

And Lifeline calls it conditioning not equalization.
2006 Mountain Aire, Jeep LJ, 900 watts of solar, boondocking life away! Volunteer Fire Fighter!
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Old 12-19-2013, 09:14 PM   #32
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Originally Posted by dons2346 View Post
How cold is cold? Mine have been down to 1o without any ill effects.
Wet cells freeze points:
Here's the ACTUAL freezing temps for wet cells based on their state of charge:
100%= -77F
75%= -35F
50%= -10F
25%= +5F
0%= +20F

AGM's are even LOWER... the key is the state of charge. Topped up or close to it and there is no danger of damage.

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batteries, house batteries

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