9 Inverters; Chargers for electric batteries; Electron microscopes; Frequency converters; Off-grid power and deep cycle battery storage systems comprised of batteries, charge controllers and inverters with integrated LED bulbs and LED light fixtures for solar, thin-film solar (TFS), vertical axis wind turbine (VAWT) installations; Photovoltaic cells and modules; Solar-powered battery chargers; Step-up transformers; Voltage stabilizers