Violet351 t1_iy4n4ma wrote
Mine don’t have batteries but you have made me wonder what happens if there’s a power cut
Peace_is-a-lie t1_iy4tdqf wrote
You really hope it's not from a fire in the electrical box.
the_buckman_bandit t1_iy4vz5s wrote
Also hope it is not from a blood thirsty maniac as well
KamovInOnUp t1_iy5bgxn wrote
They don't go off.
I'm pretty sure all new builds (at least in my area) are required to have either shared battery backups (battery + hardwire) or a 10-year sealed battery
Violet351 t1_iy5jix5 wrote
My house is 130 years old but I had them put in when the electrics had to be replaced a few years ago
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