I guess nobody told Energizer. https://camelcamelcamel.com/product/B01C4PP8FK?cpf=amazon-ne... My Nest smoke detectors demand these specific batteries. They were all installed around the same time, so they all come due at once, at a cost of ~$200.
$200/$65.89 = 3 packs of 24 AA batteries Nest smoke detectors take 6 batteries each https://support.google.com/googlenest/answer/9297548?hl=en#:... . 72 batteries / 6 batteries/device = approximately 12 smoke detectors (could be 9, 10, or 11) We have 6 First Alert smoke detectors that are connected together but don't use WiFi. There's 1 in each bedroom and a couple left over for key places. Using 12 smoke detectors i…
I don't have a huge house, but it is a 1950s split-level, and is pretty much the opposite of a modern open-plan design. And yes, I'm careful. Following NFPA recommendations, I have a smoke/CO detector in every bedroom, outside every sleeping area, and on every level, which adds up. Better safe than sorry.