 The nickel hydrogen battery was used for the first time in 1977 aboard the U.S. Navy 's Navigation technology satellite @-@ 2 ( NTS @-@ 2 ) . For example , the ISS , Mars Odyssey and the Mars Global Surveyor are equipped with nickel @-@ hydrogen batteries . In the dark part of its orbit , the Hubble Space Telescope is also powered by nickel @-@ hydrogen batteries , which were finally replaced in May 2009 , more than 19 years after launch and 13 years beyond their design life . 
