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jtarkington
Purchased a IDX Lith-Ion NP-L7S battery which is labelled as a 14.8V battery. After charging and placing in the camera it shows 15.9V initially, the sepc's on the camera shows the maximum input voltage for the camera to be 15V. Anyone know if that's going to be an issue for the camera until the voltage drops off some?
Thanks,
Jeff
poncho
Jeff, there are a variety of chemical compositions used in Lithium-Ion batteries which the manufacturers try to keep to themselves. This may affect the open circuit voltage. Most Lithium-Ion cells are typically rated at approximately 3.6 to 3.95 per cell when fully charged. Optimum charge parameters are defined during the design of the Li-Ion/Polymer cell which the highest is normally 4.2V per cell. You probably have a four cell battery which would not surprise me if you saw 15.9 volts initially.
How did you measure the voltage? Open circuit and loaded circuit voltages will normally be very different.
I would not worry about the voltage you are seeing.
Rich
jtarkington
Just looking at the voltage in the viewfinder from the camera.
Thanks,
Jeff
poncho
I wonder about the accuracy of the reading and it can differ depending on how they read it, open circuit or under load.
Like I said earlier I do not think it is a problem and will probably drop shortly after you use it. I am assuming your camera is designed to use Lithium Ion batteries. (I'm not familiar with your camera)
Rich
smootharm
Hi Jeff,
I have used my jvc gy-dv5000 from Apr 2004.
Don't worry about that. It is not an issue.
Regards
Leigh
www.smootharm.com
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