| http://www.w3.org/ns/prov#value | - After a year or so of camping, mostly boondocking, we find we can get a four solid days out of the Optima, using FantasticFan or furnace, LED lights, and chargers for laptop and cell phone, and then we have discharged it down to about 65%. (We can then recharge it in less than a day with our solar panel and charge controller.) If we needed more days of use, the Optima would not be able to do it, and
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