My old Dell Inspirion has only 2 USB ports , I've added a Logitect 4 port hub and do not want to have a stack of stuff running of the laptop's battery (6600mAH) and don't want to have to lump a laptop about as well as the Jumpstart battery pack.
And I definitely do not want to run an extension cord 20 - 30 m across damp dew covered grass when I restart using my back yard. That's just plain suicide.
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