I am about to replace the `d` batteries on my wireless alarm box (yale).
I purchased fresh batteries that have a best before of 2019. The alarm
states 2 years or more for the life of the batteries. The alarm is
rarely used, maybe 4 times a year but thats for switching it on and off
and it has never gone off in anger yet.
With this rate of usage should I get pretty near the `best before` date
before having to replace again or is there some other reason once
installed they would consume the power from the batteries.
An aside perhaps.
I use a couple of Yale wireless alarms. They're about as good as wireless
kit gets imho.
Presuming your bellbox is at some altitude.
If you can securely do so, it might be worth rigging up a remote battery
Through the wall to a location of your choice. Makes changing battery
process much easier.
Stay with alkaline batteries. The cost of more modern batts is not worth the
expense. I tried a mains powered power supply, didn't work. Spoke to Yale
about this. They said 'it won't work'. They were right but I do not
Just my 2d's worth.
I'd imagine the whole idea is to make it tamper proof ie with any wires from
bell, you can cut them, no bell.
As for why mains supply won'dt work, who knows. I guess it depends how
sensitive the things is to ripple.
From the Sofa of Brian Gaff Reply address is active
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