Friends:

I'm not sure how you ventilate a space and at the same time vent it. If you are to insulate, then you must have an active venting system that can open and commence venting promptly and reliably at the first possibility of hydrogen gas emission.

Being from a temperate climate, this has not ben an issue for me, but for those of you in more extreme climates, how do you handle this conundrum?

William Miller


At 02:10 PM 12/11/2010, you wrote:
At 08:25 -0800 11/12/10, Joel  Davidson wrote:
I recommend insulation. In general, operating temperature is very important. Batteries last longer if kept cool. However, a battery below 60 degrees F (15.5 C) has reduced capacity. Temperatures above 77 F (25 C) increase capacity only slightly but they significantly reduce battery life. Batteries operating regularly above 85 F (29.4 C) lose have their operating life.
Joel Davidson

OK so you recommend insulation to keep them cool? For me, insulation is more likely to result in higher temperatures in summer. In winter, an insulated space is obviously ideal for performance depending on the kind of winter (which seems to be a variable these days). In summer, insulation directly on the battery seems unlikely to keep them cool. On charge they will definitely need a temperature sensor and will be likely to get hotter than ambient if insulated.

--
Hugh Piggott
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