Lesser Mana Battery [Perfect]

The Lesser Mana Battery has 5 charges, that it
regains after 1 day it isnt in use. You may expend
a spell slot as an action to restore charges equal to
the level of the spell slot used. When you attack a
single target, you can expend a charge, dealing an
additional 1d6 Force damage.
As an action you regain a Spell Slot up to 3rd (5).
As an action gain advantage on the next save
within 1 minute (3).
As part of an attack against a single target deal an
additional 1d6 Force damage (2)