Amends the Smoke Detector Act. Provides that the battery for specified battery powered smoke detectors must be a self-contained long term battery if specified conditions occur. Provides that specified battery requirements do not apply to fire alarms, smoke detectors, smoke alarms, or ancillary components electronically connected to specified alarm systems; that use a low-power radio frequency wireless communication signal; that uses Wi-Fi or other Wireless Local Area Networking capability to send and receive specified notifications; or to devices as designated by the State Fire Marshal. Provides that certain smoke detector requirements do not apply to dwelling units and hotels within municipalities with a population over 1,000,000 inhabitants. Effective January 1, 2018.