Maryland Code, Commercial Law § 11-902

(b) A person may not remove, deface, alter, or destroy or cause to be removed, defaced, altered, or destroyed any identification mark attached to a battery which he does not own.

(c) A person other than the owner may not dispose of, sell, deliver, or give or attempt to dispose of, sell, deliver, or give any battery to any person except its owner.

(d) Except in an emergency, a person may not recharge any battery without the consent of its owner or his authorized agent or employee.

(e) A person may not retain possession of a battery for more than 30 days after the owner demands the return of the battery by registered or certified mail.

(f) Any person who violates any provision of this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $25.