New Garmin Fenix 6 pro battery drained 33% in 12 hours, no GPS nothing other than this watch face (photo) and phone connection that showed ~50/60 notifications during the day. I have
Original Replacement Battery For Garmin Fenix 2 GPS Watch Battery with Back Case - AliExpress
Garmin Fenix 7X - Really disappointing battery life - anyone else experiencing their Fenix 7X dying on them after 3 days of very light use? : r/GarminFenix
Amazon.com: XUNNENG Replacement Battery Part No.361-00034-02 for Garmin Fenix 3, Garmin Fenix 3 HR,Li-Polymer Smartwatch Battery : Electronics