Assemble Electron + Asset tracker

[ninjatill]

You probably want to do some research on sleep modes:

Choosing an Electron sleep mode

There are several sleep modes available on the Electron, and choosing the correct one can make a large difference in the amount of battery usage, data, and time to connect. There is no one best method, however it mostly depends on the amount of time you plan to sleep. There is also a wildly inaccurate calculator that you can use to get a wild guess of how long a battery will last and how much data it will use. Updates to this document can be found on Github along with the test code. The four …

Your battery run-time will vary based on how often you sleep, how long you are awake and the capacity of the battery. You may also want to ping @RWB and @Rftop who I have seen do a lot of solar and battery trials. You can also search the forum for sleep modes and battery capacity threads as I know this question is asked often... maybe not in the context of the asset tracker but the concept is all the same.