Is your D4 battery holding its charge?

Started 8 months ago | Questions
Paul Szilard
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Is your D4 battery holding its charge?
8 months ago

I have 2 D4 batteries. I always put the camera away in its Pelikan case, with a full battery, and the camera body turned OFF. I also ensure that Network is also turned OFF.

In spite of this, my D4 battery that is in the body, seems to discharge slowly. I don't have exact measurements, but I would estimate that in 1 month of OFF time, the battery would loose about 15-20% of its charge. I have put my battery on Reclibrate, today.

Anybody else experiencing similar behavior?

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enkindler
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Re: Is your D4 battery holding its charge?
In reply to Paul Szilard, 8 months ago

I have never left a camera unused for that long but the camera is never full off.

Turn your camera off, pull the card and replug it in, note how the access light blinks.

With Lithium Ion you will get some self discharge but I would also make sure that your case isn't pushing any of the buttons. Even if the camera is "off" this may be causing activity and drain.

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SAkp
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Re: Is your D4 battery holding its charge?
In reply to Paul Szilard, 8 months ago

Yes. I have noticed battery loss after it has been sitting several days. Enough to raise an eyebrow, anyway. It never bothered me too much though, I always top up the batteries the day before, and also bring the charger with me when warranted. Just wanted to let you know it's not just you.

Paul Szilard wrote:

I have 2 D4 batteries. I always put the camera away in its Pelikan case, with a full battery, and the camera body turned OFF. I also ensure that Network is also turned OFF.

In spite of this, my D4 battery that is in the body, seems to discharge slowly. I don't have exact measurements, but I would estimate that in 1 month of OFF time, the battery would loose about 15-20% of its charge. I have put my battery on Reclibrate, today.

Anybody else experiencing similar behavior?

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Paul Szilard
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Re: Is your D4 battery holding its charge?
In reply to SAkp, 8 months ago

Glad it's not just mine

Of course I realise that an "OFF" camera is only "sleeping". But I have had dozens of digicams, as well as laptops/phones, etc. that kept their charge seemingly better. 'nuff said.

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jjnik
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Re: Is your D4 battery holding its charge?
In reply to Paul Szilard, 8 months ago

Paul Szilard wrote:

Glad it's not just mine

Of course I realise that an "OFF" camera is only "sleeping". But I have had dozens of digicams, as well as laptops/phones, etc. that kept their charge seemingly better. 'nuff said.

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I notice very minimal loss on mine - no more than my other cameras lost and nothing to be concerned about.  Remember even though the camera is off, the top LCD is still partly "on" (displaying memory card info, remaining shots and shots taken info) as long as the battery is in - so that has to have some small drain on the battery.

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bikinchris
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Re: Is your D4 battery holding its charge?
In reply to Paul Szilard, 8 months ago

That camera and battery are not designed to sit idle for a month.

That being said, yes they will slowly 'leak' down over time. Even when they are out of the camera.

Paul Szilard wrote:

I have 2 D4 batteries. I always put the camera away in its Pelikan case, with a full battery, and the camera body turned OFF. I also ensure that Network is also turned OFF.

In spite of this, my D4 battery that is in the body, seems to discharge slowly. I don't have exact measurements, but I would estimate that in 1 month of OFF time, the battery would loose about 15-20% of its charge. I have put my battery on Reclibrate, today.

Anybody else experiencing similar behavior?

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Red G8R
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Re: Is your D4 battery holding its charge?
In reply to jjnik, 8 months ago

Try leaving the battery out and see if it makes a difference. Mine also slowly looses power even without use but that's not unexpected. So does my D600.

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Peter
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rgolub
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Re: Is your D4 battery holding its charge?
In reply to Paul Szilard, 8 months ago

Yes, all batteries self discharge.  Yes, the camera is never really "off".

But my experience with the D4 batteries mirrors yours and is a bit different from my experience with the D2x.  The D4's batteries self discharge a noticeable bit more than the D2x's.  Not enough to change how I use the camera, but enough that I've noticed it.

There are a number of possible reasons.  1) I could be hallucinating about it (time seems to fly by faster as I get older), 2) the D4 batteries are slightly smaller capacity than the D2x or D3, 3) the battery formulation / charging parameters / charging circuitry are different and may be tuned differently and 4) the D4 may have a higher idle draw than other cameras (phoning home to the NSA?).

According to a number of sources, long term storage (30 days +) of LiOn batteries is best done with the battery at something like 2/3 - 3/4 charge, so it sounds like you're just doing fine at least as far as longevity goes.

And the one thing that no one has mentioned so far is that the D4 charger has a calibration feature.  Have you tried that?  (Mine seems to make no difference although the batteries are relatively new).  And these are real Nikon batteries?

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Paul Szilard
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Re: Is your D4 battery holding its charge?
In reply to rgolub, 8 months ago

In my original post, I did mention that I am currently Reclibrating the battery. And yes they are originals. I didn't think that there were any fake ones around. The Nikon batteries have a cpu in the battery, which provides estimated usage info.

Anyway, thanks for the feedback. Yes I did realise that there would be sleeping usage, but was just curious if it should be as high as it is. (e.g. my two Fuji X cameras seem less susceptible).

Have a nice day folks,

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Marianne Oelund
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It's the battery chemistry
In reply to rgolub, 8 months ago

rgolub wrote:

Yes, all batteries self discharge. Yes, the camera is never really "off".

But my experience with the D4 batteries mirrors yours and is a bit different from my experience with the D2x. The D4's batteries self discharge a noticeable bit more than the D2x's. Not enough to change how I use the camera, but enough that I've noticed it.

There are a number of possible reasons. 1) I could be hallucinating about it (time seems to fly by faster as I get older), 2) the D4 batteries are slightly smaller capacity than the D2x or D3, 3) the battery formulation / charging parameters / charging circuitry are different and may be tuned differently and 4) the D4 may have a higher idle draw than other cameras (phoning home to the NSA?).

You're not hallucinating, and it isn't a difference in camera body.

There is a significant and consistent difference in self-discharge rate between the EN-EL4/a batteries and the new EN-EL18 batteries, even for batteries sitting outside of the camera. The EN-EL4 variety can be left sitting for months with minimal self-discharge, whereas the EN-EL18 will lose the majority of their charge in a couple of months.

Also see http://www.dpreview.com/forums/post/51298880

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