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Battery modules primarily comprised of multiple rechargeable lithium-ion battery cells, bus bars, plastics to secure the cells in place, interconnection wires, and a battery management and charge control electronics circuit that is primarily comprised of integrated circuits that monitor the individual cell voltages, the module current draw, and the temperature throughout the battery modules, integrated circuits that regulate the charge current available to the cells, and embedded software that monitors key battery status information such as state of charge, number of cycles, and number of potential abuse conditions, for use in energy storage in medical, industrial, motive power, renewable energy storage, and telecommunications applications