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Can I replace NiCad with NiMH?

Discussion in 'Electronic Basics' started by Mitch, Mar 28, 2007.

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  1. Mitch

    Mitch Guest

    I have some rechargable wireless headphones that I use on the
    treadmill. The NiCads have developed so much memory that they only
    last about 1/2 hour.

    Can I replace them with NiMH? Will the charging dock handle them the
    same?
     
  2. redbelly

    redbelly Guest

    Your headphones will probably work fine with NiMH, BUT YOU MUST USE A
    DIFFERENT CHARGER, ONE MEANT FOR NIMH.

    I repeat, do not charge NiMH batteries in a NiCad charger.

    Mark
     
  3. Lionel

    Lionel Guest

    Yes, it should work fine. I use NiMH cells on everything I have that
    takes NiCads, including my expensive Canon 550-EX flashgun.
    That's a different story. If it trickle charges (eg; 12+ hours on
    NiCad cells), it should be fine. If it uses a fast-charge system, it
    might be okay, but you're tempting fate. Just go & spend $20 on a
    generic NiMH fast charger.
     
  4. Mitch

    Mitch Guest

    Glad I asked...thanks!
     
  5. Eeyore

    Eeyore Guest

    Almost invariably they're fine.

    Graham
     
  6. Eeyore

    Eeyore Guest

    Why ?

    Graham
     
  7. Rich Grise

    Rich Grise Guest

    It lets the magic smoke out.

    Good Luck!
    Rich
     
  8. Old Mac User

    Old Mac User Guest

    Because that will ruin the NiMH battery and may smoke up your
    workshop. OMU
     
  9. Puckdropper

    Puckdropper Guest

    *snip: Why not to charge NiMH with NiCd chargers*
    I've had NiMH on a NiCd charger (NiMH/NiCD switchable) for somewhere
    around 15 minutes once. While the batteries appear to have survied
    without incident, they did get really hot. It makes me wonder if they
    could explode. (Heat --> pressure --> POW!)

    Puckdropper
     
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