Elevation Lab AirTag battery case powers years of use for just $16
Elevation Lab’s TimeCapsule AirTag 10-Year Battery Case uses two AA batteries to extend AirTag life up to 10 years (about 14x the CR2032), is IP69 waterproof, and is on sale for $16 at Amazon (30% off) with two- or four-pack options for long-term placements like in cars, luggage, or work bags.