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From dpreview forum:

"I've said it before, but I was reminded again today just how incredible the battery endurance of the D3 (and D2x and D2hs) can be.

I took over 15,000 photos today and I still had 10 % battery charge left.

And believe it or not, the D300 is even more efficient in it's power consumption. I added the battery grip to my D300 and put an EN-EL4a battery in the grip and without touching the charge in the D300 "internal" battery I got 12,000 shots and still had 44% battery life left in the EN-EL4a battery. With those numbers I would estimate I could get about 20,000 shots out of one battery in the D300 ! Wow."

Wow 15000 shot and still 10% battery left??
and 15000 shots a day!!!???

and D300 can get 12000 shot with 44% battery left???

Is the EN-EL4a battery a magic? Or is there some tricks to increase battery life?

Did you take all those in one day?

I think the En-EL4 is more powerful than the En-EL3 but 15,000 shots, that is alot!!!!! That is what most of our SLR's have done over their lifetime!! Hoax????

I find I can rattle off 400-500 shots in half an hour if I am somewhere like a wildlife park or bird sanctury. Since I don't get out to these places much I tend to go nuts and worry about all that PP and deleting the rubbish later.
As such, 15000 is not impossible but does seem unlikely.

The max number of photos i took in 1 day is like 1500-2000 with my D200. (that's with 4 batteries i think)
it's technically possible to shot 15000 photos. i think i might have to glue the shutter button down and need a dozen or so batteries to do that!

It looks like the EN-EL4A on a D3 can reach 15,000 shots. Some people even saying as far as 20,000. Pretty amazing if you ask me.

So in the total lifespan of a D3, considering that its max shutter is 300,000 divided by 15,000 per battery charge = 20 recharges. Pretty impressive!

(09-20-2009 03:51 PM)CTM Wrote: [ -> ]It looks like the EN-EL4A on a D3 can reach 15,000 shots. Some people even saying as far as 20,000. Pretty amazing if you ask me.

even 15000 sounds amazing even if you are shooting at high speed continuous mode, JPG, don't turn on LCD, no d-active lighting....etc

maybe i should go buy a EN-EL4A for my D700!!

(09-20-2009 03:51 PM)CTM Wrote: [ -> ]So in the total lifespan of a D3, considering that its max shutter is 300,000 divided by 15,000 per battery charge = 20 recharges. Pretty impressive!

haaa yes.. that sounds impressive. and scary. 20 recharges and you need to have your super heavy duty shutter replaced!!

After some photoshoots yesterday, i checked my battery usage when i got home.

My D700 says:
Battery MBD-10 (EN-EL4A)
number of pictures took 1050 shots
battery left 73% !

i was shooting in RAW and i did quite a bit of review when i was taking photos

Wow, that is impressive!