Roost is offering an affordable battery that can fit into most current smoke alarms, and can transform them into smart detectors.
The small battery can easily be placed inside standard home fire alarm systems, and is able to connect to users' home Wi-Fi within minutes of setup. It transforms the alarms it is placed in into smart systems that allow users to receive notifications if they are outside of the home when their fire alarm goes off. The alarm is also able to notify homeowners when it is running low on batteries, avoiding the regular chirps that traditional alarms give off when they're running out of juice.
The Roost smart battery is certified for use in the United States, United Kingdom and Australia, and can last from three to five years.