Replace battery in Ei141 smoke alarm

This video shows how to replace the battery in an Ei141 ionisation smoke alarm made by Ei Electronics / Aico. Please note that we are not the manufacturer but felt that a help video was needed, as a lot of people experience difficulties removing the alarm to change the battery. Should you need a replacement alarm, these can be found on https://www.safelincs.co.uk/easichang...

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