Can i plugged in Lenovo U41-70 ultrabook all time in conservation mode?

Hi
i just bought lenovo ultrabook and there's feature "conservation mode" which keep battery 55-60 percentage
and due to excessive downloading i need to plugged in all the time.
is it effect battery life of my ultrabook if i keep plugged in on conservation mode.

Added (1). Should i plugged in Lenovo U41-70 ultrabook all time in conservation mode?

Yes