AirTags use lithium button cells which are not really a fire risk when compared to a lithium polymer cell like in your cell phone. Enough of a mitigated safety

AirTags use lithium button cells which are not really a fire risk when compared to a lithium polymer cell like in your cell phone. Enough of a mitigated safety risk that the CR2032 that the AirTag uses is small enough to be exempted from the lithium battery rules.