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Power thoughts

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    Power thoughts

    First post here,

    I have a hub motor 3 Phase power surplus, I want a mid drive for my older MTB 27 inch fat wheels now to the question coming from a brain fart.

    Can I drive with the mid drive and charge a second battery at the same time then as drive battery gets down to a point where I want to charge It, swap the the charge battery to the drive battery. Possible or not.

    waiting for guru thoughts

    Please review the Laws of thermodynamics, in particular the first one


    • AZguy
      AZguy commented
      Editing a comment
      In a nutshell, there's no free lunch

      It is more efficient to just charge a second battery directly from the other battery (not much point to that when you think about it?) than to convert electrical energy to mechanical energy and then back to electrical....