Results are discussed for a Ni-Cd battery test over a period of 8 years, 2 months and 44,213 simulated low Earth orbits. The battery cells were protected against overdischarge and reversal at discharge rates up to 25 amperes (1.25C) by a battery protection and reconditioning circuit. The circuit performed flawlessly during the test, and proved its value, both as a battery reconditioner and a cell protection device. Battery cell failures are also discussed. The test demonstrated the viability of using Ni-Cd batteries at depth-of-discharge up to 25 percent for over 5 years in a low Earth orbit.


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    Title :

    Life Test of a Nickel Cadmium Battery with a Protection/Reconditioning Circuit


    Contributors:
    J. R. Lanier (author) / J. R. Bush (author)

    Publication date :

    1981


    Size :

    19 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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