Anyone using the $10 Ultralife lithium batteries in their smoke detectors?

-----Original Message-----
>From: "M. Adam Davis" <stienman@gmail.com>
>Sent: Nov 30, 2009 2:14 PM
>To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>Subject: Re: [EE] Making a Smoke Alarm distinctive 99tweet
>
>Unless you (or the installer's) time is worthless, it's probably
>cheaper in the long run to simply implement a scheduled replacement of
>all the batteries.
>
>Do it twice a year.  If any unit is dead when you do it, replace the
>unit with a more efficient unit that lasts 6+ months on a single
>battery.  Buy the batteries in bulk.
>



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