I have about 8. They used to run low at the same-ish time frame, but over time they drift apart due to frequency of moving around. (e.g.: the AirTag in my lugga

I have about 8. They used to run low at the same-ish time frame, but over time they drift apart due to frequency of moving around. (e.g.: the AirTag in my luggage runs out months after the one in my wallet)