That's right the chargers are programmed not to overcharge but maintain them at optimum levels and sustain longevity. I have 4 chargers and I have batteries in them 24/7.
That's really interesting that the chargers can do something like that.
I always thought Lithium ion batteries overcharged a lot. But I guess it's quite useful if we can leave the batteries in the charger and not have to worry about damage being done to them, or their longevity decreased when you use your saber.
