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BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

First Alert BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

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is this a SEALED lithium battery


I assume the battery is sealed. There is no way of accessing it unless you bust the unit open. There are NO access panels.

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