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I was looking at GPS Trackers such as Spark Nano 4.0. I wanted to apply one of these devices inside my boat to exclusively use it for motion detection in case of theft.
The battery life of this device is of 2 weeks, for accurate tracking in movement. But I can't find how long it last for the motion detection task.
I'm planning to deactivate it then, when I'm sailing to save the battery.
Sources:
http://gps-tracker-review.toptenreviews.com/spark-nano-details.html
http://sparkgps.com/
Reading up on the device and from simple knowledge.
I'd say device life would largely depend on the update frequency.
The device will always easily acquire a GPS fix with an accuracy of at least 5-10 meters.
I couldn't find the default interval to quickly but I assume that you can easily get more then 2 weeks when updating every 2 hours or so. (should be enough unless you're dealing with a racing cat)
