Solely battery-powered smoke alarms are required to be powered by a non-replaceable, non-removable 10-year battery. Battery-operated smoke alarms that use low-power radio frequency wireless communication signals, Wi-Fi or other Wireless Local Area Networking capability are exempt from this new requirement. The law exempts any dwelling units and hotels within municipalities with a population greater than 1,000,000 inhabitants.

Effective date: January 1, 2023