Quote:
Originally Posted by DaWizard
Well, since concrete never dries, and water is a great conductor, it gets around to the same theory as being able to now charge your smarter phone without plugging into the charger, just laying it on the pad allows energy to transfer from pad to battery. Even with asphalt this convection can remove some of the charge, not as much as concrete, but still draw from the battery even through the plastic of the battery insulates the bottom. Since air is a decent insulator and wood is a poor conductor, placing on the wood just helps get and keep the charge in the battery.
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yea, anything placed directly on concrete and the temp fluctuates in the night (like fall and spring) you lift it up in the morning and its soaking wet underneath.