So I'm guessing this is what Lisa referred to as "tea breaks" (and Kaeya struggled to keep a straight face bullshitting away) in Eula's bio... ( ͡¬ ͜ʖ ͡¬)
By that definition, if I ran out of juice in my cordless weed eater, I can just plug into Baal's boob and whenever I'm done with the job I can store it too. What a convenient