A single unit of an electrochemical device capable of producing direct voltageThe amount of electromotive force, measured in volts, that exists... by converting chemical energy into electrical energy. A batteryTwo or more electrochemical cells are enclosed in a container... usually consists of several cellsThe smallest semiconductor element within a PV module to perform the immediate... electrically connected together to produce higher voltages. (Sometimes the terms cell and batteryTwo or more electrochemical cells are enclosed in a container... are used interchangeably). Also see photovoltaic (PV) cellThe smallest semiconductor element within a PV module to perform....