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paralleling NIMH batteries

Discussion in 'Electronic Design' started by Martin Riddle, Apr 13, 2007.

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  1. I have an idea that requires a large capacity rechargable battery and NiMH
    seems to fit the bill. I need to charge them quick.

    The problem is I'll need 2 or 3 strings of SC or D size cells. From what I
    can gather connecting to the load is straight forward, but charging will
    require contrl circuits for each string and relays to connect them.

    Any other gotchas with this?

  2. not always,C1,C1003,C1037,C1078

    this looks good

  3. MassiveProng

    MassiveProng Guest

    Unless you have watchdog circuits and charge individually, you will
    end up with a "memory effect". Of course, it is easily solved by Ind.
    charging again.
  4. Winfield

    Winfield Guest

    I've come to the conclusion that Li-ion is the way to go.
  5. He said NiMH, not NiCd. NiMH batteries are _almost_ never affected by
    "memory effect". You don't have to go thru that much trouble. People that
    fly expensive RC models may have different opinions on that. ;-)
  6. have you seen the seiko stuff?
    such as

  7. Winfield

    Winfield Guest

    Hmm, an 800-cell PowerPack for my Prius would require 400 ICs?
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