How many shots per battery? (PowerShot SX150 IS)

Power Source	Maximum number of shots*	Playback Time
Alkaline Batteries (Supplied)	Approx. 110 images	Approx. 7 hours
NiMH Batteries (Sold Separately)	Approx. 320 images	Approx. 9 hours

* Based on the test standard of CIPA (Camera & Imaging Products Association).

Under some shooting conditions, the number of shots that can be taken may be less than mentioned above.
For alkaline batteries, the number of shots or the recording times may vary significantly depending on the brand of the batteries.
For NiMH batteries, the number of shots or the recording times listed above only applies when the batteries are fully charged.