I accidentally overcharged my Lenovo a6000 plus battery for 5hrs. What is the effect on battery?

I accidentally overcharged my Lenovo a6000 plus battery for 5hrs. What is the effect on battery? - 1

You Can't overcharge a battery.
You can leave the charger connected for a week & without damage

There's no effect, chill out.

None. Modern batteries have trickle-charging, so you can't overcharge the battery.