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Help creating a electronic circuit

  1. Feb 6, 2012 #1
    I want to create a project which involves about 5 Peltier cooling units run off a battery.
    The problem is, I have no clue what type, or the specifications of the battery.

    The cooling units run between 0-15V and 0-9A.

    I want this circuit to be able to run at maximum capacity continuously for an hour or longer would be good, but in reality it would probably be using between a fifth to half capacity. I was planning on limiting the circuit using electronic controllers to turn the dc current into a pulse, so one time unit on, four time units off as an example, and increase the pulse time when the need for extra cooling comes into play.

    Another note, this should hopefully be portable and compact.
    A challenge for you all.
  2. jcsd
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