I keep charged batteries in an egg-cup by the charger. Charged go in the egg-cup. Uncharged are just lying by the charger waiting their turn.

I grab a fresh batt out of the egg-cup and lay the to be charged batt by the charger. We keep a post-it note with the time the batt in the charger was put in. Check the time, if charged, remove, put in egg-cup, replace old batt in charger, note time.

I also use an egg-cup when I wash an atomizer. I stuff some paper towel into the cup and cradle the atomizer in the paper towel and this keeps it firmly standing up.

Very simple.