sentences:  NiH2 rechargeable batteries possess properties which make them attractive for the energy storage of electrical energy in satellites and space probes.For example, the ISS, Mercury Messenger, Mars Odyssey and the Mars Global Surveyor are equipped with nickel–hydrogen batteries.The Hubble Space Telescope, when its original batteries were changed in May 2009 more than 19 years after launch, led with the highest number of charge and discharge cycles of any NiH2 battery in low earth orbit.