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.

  • Why would you want exact motion detection when sailing?
    – HTDutchy
    Apr 28 '14 at 6:29
  • @HTDutchy For when my boat is on the dock
    – aneuryzm
    Apr 28 '14 at 7:53


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)

  • Hi! This link is dead. Now that the question's active again, might you want to change it to something else? Thanks! Oct 24 '17 at 22:23

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