Canon GP-E2 Instruction Manual page 60

Setting the Positioning Interval
Estimated Battery Life, by Positioning Interval
Position Update
Timing
Every second
Every 5 sec.
Every 10 sec.
Every 15 sec.
* With an AA/LR6 alkaline battery.
* At normal temperature (23°C / 73°F).
* Battery life will be shorter when signal conditions are unfavorable.
* The nature of GPS may cause some inconsistency between positioning intervals.
22
Battery Life
(Approx.)
10 hours
27 hours
37 hours
39 hours
Position Update
Timing
Every 30 sec.
Every minute
Every 2 min.
Every 5 min.
Battery Life
(Approx.)
39 hours
54 hours
63 hours
92 hours