Smoke alarm alarm
On 15/01/2021 21:52, Theo wrote:
Bert Coules wrote:
The (strongly) recommended battery a Duracell MN1604 Energizer 9 V.
That could be code for 'don't use a zinc carbon from Poundland'.
But an 9V alkaline from Poundland would be a good equivalent to the
manufacturer's preference.
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