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Let me introduce you to the Eastern Seaboard and Gulf Coast of the United States of America, where people often run generators intermittently for weeks after a hurricane in order to keep their refrigerators and freezers cold until power can be fully restored.

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> days or weeks

The eF150 gives you a couple days. The Prius is a better solution if you really need backup power.

They're not running it non-stop though. They run it about 4 times a day for an hour each time, and ONLY for those appliances.

In that case, the prius prime battery alone is probably sufficient for several days. And it's 30K less than the eF150. And you can actually buy one off the lot today. :)

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