Thursday 7 December 2017

Why are battery consumption numbers for flagship Nikon and Canon cameras so different?



I have been looking to acquire new gear and I came across a curious fact regarding the two flagship cameras.


The Nikon D5 has a battery capacity of 27Wh (2500mAh, 10.8V), and a CIPA battery life of 3780.


The Canon EOS-1D X Mark II has a battery capacity of 30Wh (2750mAh, 10.8V)and a CIPA battery life of 1210.


These are massive differences, so I checked the older variants and the results are as follows:


The Nikon D4 has a battery capacity of 2000mAh, and a CIPA battery life of 2600


The Canon EOS-1D X has a battery capacity of 2450mAh, and a CIPA battery life of 1120.


These differences are very large and continue to exist.


I would like to understand why this is so.


Please note that I am not asking for opinions on which is better, or how to get more mileage out of the batteries.




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