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EFFICIENCY The ratio of power output of a Photovoltaic cell to the incident power from the sun or simulated sun sources under specified standard insolation conditions.
ELECTRIC CURRENT The rate at which electricity flows through an electrical conductor, usually measured in amperes (amps).
ELECTRICITY Energy resulting from the flow of charge particles, such as electrons or ions.
ELECTROLYTE The fluid used in batteries as the transport medium for positively and negatively charged ions.
ELECTRONS A negatively charged particle. The movement of electrons in an electrical conductor constitutes an electric current.
EQUALIZATION The process of restoring all cells in a battery to an equal state-of-charge. For lead-acid batteries, this is a charging process designed to bring all cells to 100% state-of- charge. Some battery types may require a complete discharge as a part of the equalization process.
EQUALIZING CHARGE A continuation of normal battery charging, at a voltage level slightly higher than the normal end-of-charge voltage, in order to provide cell equalization within a battery.
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