Canon Battery Mystery...

T

Tdes

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Tony
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I was at an event for three days last week with my 77d and three batteries (one that came with the camera and two OEM).

The batteries are LP-E17 which are rated for 600 shots (CIPA whatever that is) in the 77d, I did not have to change batteries on any of the days, shot with the canon original battery over the course of 8 hours. Mix of mainly viewfinder but some live view pics as well, pic review turned off but I would say I checked (and zoomed in) on 10% of the pics.

Thursday 2,791 shots (jpeg about but shot jpeg and raw)
Friday 2,581 shots (jpeg only)
Saturday 1,342 (jpeg only)

I don't understand how I can be getting so many more shots that in the specs! A few maybe but more than 4x the quoted amount!

Does anyone else get loads more shots than the book says from one battery or have any idea why I am getting this?

T
 
CIPA ratings seem to have absolutely no relation to the amount of shots you get from a camera battery. I have an EOS 80D and can easily get 1,400 shots on a charge, with image review turned on. I do have a spare battery in my bag all the time but I very rarely have to use it.
 
The CIPA ratiings for camera batteries cover all tyes of digital cameras and have a common test for usage which dictates that there are 30 seconds between shots and each shot is reviewed on the LCD. If you take bursts then only the final image gets reviewed and this saves a lot of power-thirsty display time.
 
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CIPA really needs to modify their test procedures to more accurately reflect typical use, particularly regarding flash use which is very heavy on the battery. The current standard assumes flash for 50% of pictures taken.
 
Cheers, that is reassuring, thought i had a rogue battery that would blow up the camera soon!!

T
 
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