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Violet351 t1_iy4n4ma wrote

Mine don’t have batteries but you have made me wonder what happens if there’s a power cut


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