Canon GP-E2 Mode D'emploi 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.
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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