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In the Higgs Triplet Model and the neutrinophilic Two-Higgs-Doublet Model theobserved neutrinos obtain mass from a vacuum expectation value which is muchsmaller than the vacuum expectation value of the Higgs boson in the StandardModel. Both models contain a singly charged Higgs boson (H^-) whose Yukawacoupling is directly related to the neutrino mass (i.e. a "neutrinophiliccharged Higgs"). The partial decay widths of H^- into a charged lepton and aneutrino (H^- to l^- nu) depend identically on the neutrino masses and mixingsin the two models. We quantify the impact of the recent measurement ofsin^2(2theta_{13}), which plays a crucial role in determining the magnitude ofthe branching ratio of H^- to e^- nu for the case of a normal neutrino massordering if the lightest neutrino mass m_0 < 10^{-3} eV. We also discuss thesizeable dependence of H^- to mu^- nu and H^- to tau^- nu on sin^2(theta_{23}),which would enable information to be obtained on sin^2(theta_{23}) and the signof \Delta m^2_{31} if these decays are measured. Such information would helpneutrino oscillation experiments to determine the CP-violating phase \delta.

Dependence of the leptonic decays of H^- on the neutrino mixing angles theta_{13} and theta_{23} in models with neutrinophilic charged scalars