Diving holidays have a unique rhythm—long surface intervals perfect for...
https://wiki-tonic.win/index.php/How_to_Keep_Your_Phone_Charged_on_a_Liveaboard:_Practical_Tips_for_Divers
Diving holidays have a unique rhythm—long surface intervals perfect for relaxing, peaceful evenings spent rinsing gear and chatting with fellow divers, and the occasional quiet downtime