Spacewalking astronauts completed their part of a three-year power upgrade to the International Space Station on Thursday, replacing six more outdated batteries with powerful new ones.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/7-spacestation.jpg)
Source:
https://phys.org/news/2020-07-space-station-power-finished-spacewalk.html