Conn. Gen. Stat. § 21a-447: Prohibition re distributing, selling or offering smoke detection and warning equipment powered solely by a battery. Exceptions. Fines.

(a)(1) Except as provided in subsection (b) of this section, on and after October 1, 2025, no person shall distribute, sell or offer for sale any smoke detection and warning equipment that is powered solely by a battery unless such battery is nonreplaceable, nonremovable and capable of powering the equipment for not less than ten years.

(2) The provisions of subdivision (1) of this subsection shall not apply to any smoke detection and warning equipment that is powered by the electrical system of a building, fire alarm systems with smoke detection and warning equipment, fire alarm devices that connect to a panel, or devices that use a low-power radio frequency wireless communication signal.

(b) A person may sell smoke detection and warning equipment that does not meet the requirements of subsection (a) of this section on or after October 1, 2025, if such person (1) possesses such equipment on October 1, 2025, or (2) has placed an order for such equipment prior to October 1, 2025.

(c) Any person who violates the provisions of this section shall be fined not more than one hundred dollars for a first violation and not more than five hundred dollars for a subsequent violation.