Merseyside Fire Brigade has fitted many, many hundreds of smoke alarms over the years, a large number of them featuring batteries with a 10-year life span.
However, after about three years, the "long life" batteries' charge state has all too often dropped so low that they start to give off a squeak every 40 seconds as a warning the alarm needs completely replacing.
I've had three replaced by the manufacturers free of charge in recent years along with many others. Latest still has to be taken to the local recycling tip and continues to squeak regularly and very loudly some weeks after apparently giving up the ghost...:-(
Last edited by: Stuartli on Wed 6 Jul 16 at 17:35
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