Margaret, if and when H.H., rewire and fit alarms with rechargable batteries, make sure the are not cadmium batteries, I wouldn't recommend them, they have a fault, which is referred to as memory, if they are charged up without having been fully used, the life of the battery becomes shorter and shorter, then one day you may have a power cut and the battery is no good. Go for the stand alone with lithum batteries, even 6 years is better than the alkaline battery which only lasts 9-10 months and they are FREE.
Retlaw.
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I can see that you are genuinely concerned Walter, and I appreciate it.
The hallway is the central point of my flat, and the one bedroom leads directly off it, as do the lounge and bathroom.
The kitchen is accessible from the lounge only and I always close the kitchen door at night.
I have had one of those 10 year battery alarms but it only lasted 6.
This one is less than a year old, so I hope it will last until a mains supply type is put in by HH - I will mail them to ask if it will be done during the rewire which is due this year.
Your expert info on this subject is appreciated -karma due
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