We consider the time-independent quasi-periodic Schrodinger equation [GRAPHICS] with a potential function V : T-2 -> R of class C-2 with a unique non-degenerate global minimum, large coupling constants K-2 and energies E in the bottom of the spectrum of the associated Schrodinger operator. We obtain estimates on the Lyapunov exponents and the Lebesgue measure of the spectrum, as well as localization results. Moreover, we show that the projective flow on T-2 x P-1 induced by the Schrodinger equation often is minimal.