Up to your personal preference. I use electric cause I’m lazy 😂. Only when I have crack/painful nipples then I use manual pump. They don’t teach you how to use, only LC (usually on second day). After you finish pumping, just pass it to the nurses. They will sterilise and bring it back to you.
Be sure to check EVERYTHING when they pass it back to you. I passed mine to them and it came back with 2 missing parts (tube and valve), only realized when I’m home…….. Had to specially make another trip to go down again (valve still missing tho). 😮💨