Classification Information
municipal off-peak electrical storage systems for charging the batteries in electrically powered automobiles, namely, a group of interconnected storage batteries, a first battery charger connected to the storage batteries and connectable to high-voltage ac transmission lines, a second battery charger connected to the storage batteries and connectable to an automobile battery in an electrically powered automobile, and an inverter connectable to the storage batteries and to the ac transmission lines
Electrical and Scientific Apparatus