Originally Posted By OregonMouse
I take only my camera and my headlamp, neither of which uses rechargeable batteries. I take an extra set for my camera, but since I can turn off the LCD screen and use just the viewfinder (I deliberately bought one of the rare cameras that has this feature) I rarely use up the fresh batteries in the camera even if out for 10 days.


I know that this sounds counter-intuitive, but the EVF on my Sony DSLT actually uses more power than the LCD screen.