the Duracell Coppertop 9V alkaline battery is made to power everyday devices throughout the home, like toys, remote controls, flashlights, clocks and radios, portable electronics, and more ...

I just spent $20, again, on batteries for my smoke alarm. The Duracell batteries I bought ... It's true that a lithium 9-volt battery will probably last longer than an alkaline 9V (which in ...