Does the 4G LTE Cellspot Mini Tower have backup battery?


    I noticed that my 4G LTE Cellspot Mini Tower shipped with a Lithium Battery warning label on the package.  However, on looking at the device it does not seem to have a batter inside the unit.  Does it have a backup battery?  Or is the Lithium Battery warning label applied to every package that T-Mobile sends just in case the package has a cell phone?

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