CAPE CANAVERAL (CBSMiami/AP) — A four year effort to modernize the International Space Station’s power grid was completed on Monday when a pair of spacewalking astronauts installed one last battery.
Over the weekend, flight controllers in Houston used the space station’s big robot arm to replace the last pair of old-style batteries with a single better-quality one. Astronauts Mike Hopkins and Victor Glover needed to put the finishing touches on this newest lithium-ion battery to complete a series of spacewalks that began in 2017.READ MORE: Miami-Dade Daniella Mayor Levine Cava: 'Countywide Curfew Could Be Lifted By April 5th'
“Beautiful day. Let’s go for a walk outside,” Mission Control radioed.
Although the spacewalk got started late, Hopkins and Glover hustled through the battery work in under an hour.
The space station is now equipped with 24 lithium-ion batteries to store power collected by the solar panels. The big, boxy batteries, surpassing 400 pounds each, provide electricity for the orbiting lab when it’s on the night side of Earth. They’re so powerful that only half as many are needed as the old nickel-hydrogen batteries they replaced.
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The upgrade took longer than expected after one of the new batteries failed after it was installed two years ago and had to be replaced. In all, 14 spacewalks were needed to complete the battery work.READ MORE: CBS4 Photojournalist Rafael Murciano Is Quite 'The Entertainer' With His Musical Talents
NASA expects these batteries to last the rest of the space station’s operating life.
Other spacewalking chores Monday for Hopkins and Glover: installing a new camera on the U.S. Destiny lab and replacing parts in the camera system outside the station’s Japanese lab, named Kibo, or Hope in English.
During a spacewalk last Wednesday, the two astronauts made improvements to the European lab, Columbus.
Two more spacewalks will be conducted in about a month to get ready for additional solar panels set for delivery later this year.
Seven astronauts currently live on the space station: four Americans, two Russians and one Japanese.MORE NEWS: Dolphin Legend & Humanitarian Nat Moore Honored With Mural In Overtown
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