As I understand it the Tellaro units come with a solar system, just like the Sequence. If so you should be able to see the battery status on the solar control panel (go power). While you are at it you might check the manual and make sure it is set up for the right battery type.
If that is showing that the battery is charged then you might check the Distribution Center (WFCO Ultra III WF-8900 series).
From what I have seen the Tellaro uses the same equipment as the Sequence, which I have. Though I do not have the upgraded batteries.
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