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International Space Station Nickel-Hydrogen Battery Startup and Initial PerformanceThe Battery Orbital Replacement Unit (ORU) was designed to meet the following requirements: a 6.5-year design life, 38,000 charge/discharge Low Earth Orbit cycles, 81-Amp-hr nameplate capacity, 4 kWh nominal storage capacity, contingency orbit capability, an operating temperature of 5 +/- 5 C standard orbit and 5+5/-10 C contingency orbit, a non-operating temperature of -25 to +30 C, a five-year Mean Time between failure, an on-orbit replacement using ISS robotic interface, and one launch to orbit and one return to ground. The ISS electrical power system is successfully maintaining power for all on-board loads. ISS Eclipse power is currently supplied by six Ni-H2 batteries (12 ORUs), which are operating nominally.
Document ID
Document Type
Conference Paper
Dalton, Penni
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Cohen, Fred
(Boeing Co. United States)
Hajela, Gyan
(Boeing Co. Canoga Park, CA United States)
Date Acquired
August 20, 2013
Publication Date
February 1, 2002
Publication Information
Publication: The 2001 NASA Aerospace Battery Workshop
Subject Category
Electronics And Electrical Engineering
Distribution Limits
Work of the US Gov. Public Use Permitted.

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