Canon s2is PowerShot S2 IS Camera User Guide - Page 171

Battery Performance Number of Images Shot LCD Monitor ON(Based on the CIPA standard) Viewfinder on AA Alkaline Batteries (included with the camera) Approx. 130 images Approx. 130 images AA NiMH Battery (NB4-200) (full charge) Approx. 550 images Approx. 570 images Playback Time Approx. 800 min. Approx. 900 min. z The actual figures will vary according to the shooting conditions and settings. z Movie data is excluded. z At low temperatures, battery performance may diminish and the low battery icon appears very rapidly. In these circumstances, the performance can be improved by warming the batteries in a pocket before use. Shooting:Normal temperature (23 °C ± 2 °C/73 °F ± 3.6 °F), normal relative humidity (50% ± 20%), alternating wide angle end and 10 telephoto end shots at 30 second intervals with the flash fired once every two shots and the camera power turned off after every tenth shot. Power is left off for a sufficient amount of time*, then the power is turned back on and the testing procedure is repeated. z A Canon-brand memory card is used. * Until the battery returns to normal temperature Playback:Normal temperature (23 °C ± 2 °C/73 °F ± 3.6 °F), normal relative humidity (50% ± 20%), continuous playback at 3 seconds per image. Appendix Proper Battery Handling (p. 16) 169