Charging NiMH batteries (for Panasonic FZ20)

Discussion in 'Panasonic Lumix' started by Pierre Jelenc, Mar 4, 2005.

  1. The charger included with the camera is supposed to charge the battery in
    2 hours, then the green light goes off. Is it safe to leave the battery in
    the charger at this point (for instance overnight) or must it be removed
    promptly? The instructions say nothing about this.

    Pierre Jelenc, Mar 4, 2005
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  2. I would imagine so, and would leave the charger overnight myself.
    However, that isn't the definitive answer you want. By the way: it's a
    Lithium Ion battery, I think, not NiMH.

    David J Taylor, Mar 5, 2005
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  3. Pierre Jelenc

    Sheldon Guest

    It all depends on how the charger works. Some you have to remove it. Some
    you can leave it in there forever. I would call the manufacturer and ask.
    Sheldon, Mar 5, 2005
  4. Indeed. I got carried away...
    OK, thanks. As long as no damage ensues, that's the most important.

    Now, I have another question: the Panasonic battery charged fine and
    performed well last night. However, the extra battery I bought, "Merkury
    MI-S002" does not get charged. When I place it in the charger, it feels
    very subtly smaller, in that it falls into place with the merest nudge,
    instead of having to be snapped down the way the Panasonic needs to be.
    The tell-tale green light never lights up.

    Its label says "for Panasonic CGR-S002" while the Panasonic one advertises
    itself as "CGA-S002A". Was I sold the wrong battery? I can easily imagine
    the "CGR" to be a misprint for "CGA" because the font they use is rather
    contorted, but is "S002A" different from "S002"?

    Pierre Jelenc, Mar 5, 2005
  5. Pierre Jelenc

    irwell Guest

    What is the voltage and amp rating printed on the battery.
    Should be 7.2volts and 680mAh.
    irwell, Mar 5, 2005
  6. Pierre Jelenc

    Sheldon Guest

    I almost always buy OEM batteries when it comes to Lithium Ion. The price
    generally isn't that much more, and I've had less problems with them. Too
    bad they don't standardize Lithium Ion batteries like AA, AAA, etc. Every
    one is a different size for each product, and you need a different charger
    for each product.
    Sheldon, Mar 6, 2005
  7. 7.4 V and 800 mAh

    Pierre Jelenc, Mar 6, 2005
  8. Pierre Jelenc

    Ron Hunter Guest

    The information you need should be in the user manual (yeah, I know, who
    reads those things...). If it doesn't spell out the information, call
    and ask. Generally, chargers will reduce the charge to a very low
    'maintenance charge' after the battery becomes charged. Some chargers,
    such as those for cameras with 'docks', are designed to have the camera
    mounted for long periods, and will periodically 'top off' the batteries.
    Ron Hunter, Mar 6, 2005
  9. Pierre Jelenc

    irwell Guest

    That should Ok then.
    How about in the camera, is it a snug fit
    with the little clip in place?
    irwell, Mar 6, 2005
  10. It is. The size difference must be minute, I cannot tell at all by putting
    the two against each other.

    The Merkury battery actually contains some charge, about 25% according to
    the little display on the camera's LCD, even though it's straight out of
    the package.

    Pierre Jelenc, Mar 6, 2005
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