NASA Successfully Upgrades Space Station's Power System After Efforts of Several Years

After 13 different astronauts conducted 14 spacewalks over several years, the primary power system of the International Space Station (ISS) has now been fully upgraded to lithium-ion technology, NASA has said. The space station's primary power system originally used nickel-hydrogen batteries for storage, the US space agency said on Tuesday. More

(Source: The Weather Channel - Feb 5)