Battery

In space and astronautical engineering, a battery is a device that stores electrical energy and can be used as a power source for spacecraft and satellites. Batteries are essential for providing power during periods when solar panels are not receiving sunlight, such as during eclipses or when a spacecraft is in the shadow of a planet. They are also used to provide backup power in case of a solar panel failure or other power system malfunction. Batteries used in space must be designed to withstand the harsh environment of space, including extreme temperatures, radiation, and vacuum conditions. Lithium-ion batteries are commonly used in space applications due to their high energy density and long cycle life.
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