https://apnews.com/b8d8a5766296489895dfc60f211ac62e > CAPE CANAVERAL, Fla. (AP) — Astronauts are kicking off the first of five spacewalks to replace old batteries at the International Space Station. > Christina Koch (Cook) and Andrew Morgan ventured out Sunday. They will remove a pair of old batteries and install a new one delivered just a week ago. These new lithium-ion batteries are so powerful that only one is needed for every two old ones, which are original to the orbiting lab.