Yes, CHARGED is a Scrabble word!

Letter values in Scrabble US: C 3, H 4, A 1, R 1, G 2, E 1, D 2.

Is it a valid word?

CHARGED is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

to make a rush at or sudden attack upon, as in battle
blame for, make a claim of wrongdoing or misbehavior against
demand payment
move quickly and violently
assign a duty, responsibility or obligation to
file a formal charge against
make an accusatory claim
fill or load to capacity
enter a certain amount as a charge
cause to be admitted; of persons to an institution
give over to another for care or safekeeping
pay with a credit card; pay with plastic money; postpone payment by recording a purchase as a debt
lie down on command, of hunting dogs
cause to be agitated, excited, or roused
place a heraldic bearing on
provide (a device) with something necessary
direct into a position for use
impose a task upon, assign a responsibility to
instruct (a jury) about the law, its application, and the weighing of evidence
instruct or command with authority
attribute responsibility to
set or ask for a certain price
cause formation of a net electrical charge in or on
energize a battery by passing a current through it in the direction opposite to discharge
saturate

of a particle or body or system; having a net amount of positive or negative electric charge
fraught with great emotion
supplied with carbon dioxide
capable of producing violent emotion or arousing controversy

Also: bear down, shoot down, institutionalize, institutionalise, turn on, charge up.