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Old 04-23-2010, 10:26 PM   #4 (permalink)
TheSGC
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Join Date: Nov 2008
Location: Massachusetts, USA
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I remove my insulation in the warm weather and I usually drop the rear seat and crack the windows open to keep the batteries under 100F. At school my spot is in direct sunlight and cracking the windows help a lot. At home I just pop the trunk open to get the same effect.

I did find that the insulation kept the batteries cooler than the trunk, if they weren't charging. Once on the charger, their temp shot up to over 115F in no time, pumping 12.5 AMPs into them.
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