Canon ELPH LT IXUS M-1 Manuel D'utilisation page 19

Checking the Battery Power
Check that Em is displayed on the LCD panel
when the power is turned on.
Shooting capacity with a new battery — Approx. 22
film cartridges of 25 exposures, at normal
temperatures with 50% flash use. (Data based on
Canon's Standard Test Method.)
Battery Check Indicator
= (Lit): Battery is full
ES (Li: Have a new battery ready
E (Blinks): Replace the battery (> 15)
im battery (CR2).
fl + Before shooting, be sure to check the battery
power.
+ The shooting capacity is reduced to about 1/3 of
normal if the camera is used at low temperatures.
+ When traveling or planning to take many pictures,
be sure to take a supply of spare batteries, they
may not be available where you are.
+ Shooting continuously with the flash will cause the
battery power to fall momentarily, and the LCD
panel display may be incorrect. Tum the power off
and wait a while before turning it back on.