You mean keep them on the charger after they're charged? I sometimes put a battery on the charger before I go to bed. I shouldn't do that?
I didn't mean to worry you.

Technically, in a perfect world, I would pull them when they were done charging. But, technically, the protection circuit should prevent overcharging. So ....
If you can take them off the charger when they are done, I would;
If you put them on the charger when you go to bed, I would pull them off in the morning.
You don't gain anything by leaving them on the charger after they are done. But I also would rather take the route that is most convenient and buy new when you have to.
