The Marshall Space Flight Center (MSFC) began testing the HST Ni-H2 Six Battery Test and the 'Flight Spare Battery' Tests approximately one year before the launch of the HST. These tests are operated and reported on by the MSFC, but are managed and funded by Goddard Space Flight Center in direct support of the HST program. The HST Ni-H2 batteries are built from Eagle Picher RNH-90-3 cells. The HST EPS (electrical power system) is a direct energy transfer power system. The HST Ni-H2 Six Battery Test is a breadboard of the HST EPS. The batteries in the test are composed of test module cells and packaged into three battery modules identical to the flight modules. This test is the HST EPS testbed. The 'Flight Spare Battery' Test is a simulation of one of the six battery channels on the HST. The cells in the test are from the flight spare lot of cells, which are the same lot of cells that three of the six HST flight batteries are made from. This test is the battery life test for the HST program.


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    Hubble Space Telescope nickel-hydrogen battery testing: An update

    Whitt, Thomas H. / Brewer, Jeffrey C. | NTRS | 1995


    Hubble Space Telescope Nickel-Hydrogen Battery Testing - An Update

    Whitt, T. H. / Brewer, J. C. / NASA Aerospace Flight Battery Systems Program | British Library Conference Proceedings | 1995


    Hubble Space Telescope Nickel-Hydrogen Battery and Cell Testing - An Update

    Brewer, Jeffrey C. / Whitt, Thomas H. | SAE Technical Papers | 1992


    Nickel-hydrogen battery testing for Hubble Space Telescope

    Baggett, Randy M. / Whitt, Thomas H. | NTRS | 1989


    Nickel-hydrogen battery testing for Hubble Space Telescope

    Baggett, R.M. / Whitt, T.H. | Tema Archiv | 1989