[zifnab06]

I debated Amazon for this but decided to go to a hardware store instead. Found out they make smoke alarms with 10 year lithium batteries now, and they're not that much more expensive.

[astura]

In some states (NY is one) those 10 year battery ones are the only ones legal to sell.

https://www.democratandchronicle.com/story/news/2019/04/01/n...