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Manganese oxide thin films were developed on soda-lime glass substrates at different deposition time, 4,6, 8, 12 and 24h, by Chemical Bath Deposition (CBD) technique, using aqueous manganese sulfate solution and ammonia, at a low temperature of 333 K. The structural, morphological and optical properties of the nano-structures of the as-prepared films were investigated by means of X-ray diffraction (XRD), Field Effect Scanning Electron Microscopy (FESEM) and Ultraviolet-Visible (UV-Vis) spectroscopy. X-ray diffraction and Raman analysis revealed that the as-prepared samples consisted of polycrystalline crystallites of tetragonal Hausmannite. FESEM image studies exposed the uniform film coverage on the substrate surfaces. Optical studies showed that the films exhibited a maximum transparency, 60% to 70%, at about 600 nm in the Vis-IR spectrum. Optical band gap varies slightly as deposition time increases from 4 to 24 h. In order to study the electrochemical behavior, we have also synthesized Manganese Oxide films on silver substrates at 333 K by Chemical Bath Deposition. The electrochemical characteristics of the film were examined by Cyclic Voltammetry (CV). The CV curves showed the capacitive behavior of the film. [ABSTRACT FROM AUTHOR]