[Elecraft] Smoke detectors

[Phil Kane]

On 10/30/2020 2:49 PM, K9ZTV wrote:

> For what it’s worth, the American Red Cross is recommending
> installation of units that have 10-year lithium ion batteries which
> are sealed and not replaceable.  History has shown that kids tend to
> remove the batteries for their toys and games.

The sealed batteries in the ones that we have are replaceable but the
cells within them are not.  Experience with the "10-year" batteries is
that they  start getting flaky at about 7-8 years, but the building
management is very cooperative about replacing them when they start
chirping.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon