  The species scale provides a lower bound on the shortest possible length that
can be probed in gravitational effective theories. It may be defined by the
size of the minimal black hole in the theory and, as such, it has recently been
given an interpretation along the lines of the celebrated black hole
thermodynamics. In this work, we extend this interpretation to the case of
charged species. We provide working definitions of minimal black holes for the
case of uncharged and charged species constituents. Then, examining the
modifications in the thermodynamic properties of near-extremal charged species
compared to the uncharged case, we uncover interesting implications for the
cosmology of an expanding universe, particularly within the context of the Dark
Dimensions Scenario. Finally, we explore possible microscopic constructions in
non-supersymmetric string theories in which towers of charged near-extremal
species may arise.
