The OatmealApr 30
Beep.
Show threadFubaroqueApr 30
@oatmeal I learned recently that it always happens at night because then the room temperature goes down and therefore the battery voltage too, bringing it below the "low battery" level. #makessense
Show threadEd DaviesApr 30

@fubaroque Yep. Some modern alarms have temperature compensation to try to avoid this. OTOH, modern alarms shouldn't have replaceable batteries.

@oatmeal

Show threadFubaroqueApr 30
@edavies @oatmeal I'd rather replace a battery regularly than find that it has been screaming half my holiday when I return and the ten year battery is empty.
Show threadEd Davies

@fubaroque The problem is the actual smoke sensors only last so long. With replaceable batteries you can be blissfully replacing the battery and pressing the test button on an alarm which won't actually work when it's really needed.

The law's a bit muddled but alarms with replaceable batteries no longer suffice in Scotland in places where alarms are required, which includes basically all residential property, IIRC.

(Unfortunately this law was scheduled to come into force in early 2020 but people had other things on their mind at the time. It was delayed by a year but still didn't get much publicity.)

@oatmeal

Apr 30 at 7:33pmWeb
Show threadFubaroqueApr 30
@edavies @oatmeal I usually "test" mine by forgetting something on the stove. Still works just fine. 😘 #noworries