TLP2-SFB is a solar powered asset tracker featuring 9600mAh/3.6V internal battery and highly efficient large solar panel. So for long term and remote deployments there’s no need for maintenance to replace or manually charge the battery. Comparing to battery tracker, the advantage is that it supports much more frequent location updates. In area with good level of sun, like the Americas, Australia, and Middle East it can easily report every 60s when moving and still maintain at a good battery level.
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Source: topflytech.com