A battery is a collection of electrochemical cells. If the cells are connected in series, the voltage of the battery will be the sum of the cell voltages. For example, a 12 volt car battery contains six 2-volt cells connected in series.
An analyst is an individual who performs analysis of a topic. The term may refer to one of the following professions: Accounting analyst, an accounting analyst evaluates and interprets public company financial statements. Business analyst, an employee who examines the needs and concerns of clients and stakeholders to determine where potential problems and opportunities lie, known also as a Business Systems Analyst in business.
Economic Analysis. The application of data to a theory of how people produce, trade, and use goods and services. One may use both qualitative and quantitative tools in economic analysis. For example, given a theory of what causes unemployment, an economic analyst may take the data in an attempt to find its true causes and compare them to the original theory.