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Peter Hucker Peter Hucker is offline
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Default 9v battery terminal blanks?

On Wed, 24 Dec 2008 20:19:18 -0000, William Sommerwerck wrote:

I put lithium in smoke alarms to save the bother
of changing them more often.


What sort of life are you getting? Given the price, I'd hope at least five
years.


I'd prefer to use rechargeables (now that there are low self-discharge ones), but for some reason smoke alarm circuitry is very sensitive to voltage.

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