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When a new cell goes in without a calibration cycle
The collar runs GPS acquisition
and if the cell hasn't completed a calibration cycle
the issue is interference or antenna contact inside the unit
and other 12V sealed battery needs
Xiaomi Max BM49 Replacement Battery 3.85V 4750mAh GZ-HM550BUS When a new cell goesXiaomi Mi Max Series 3. 85V Li Polymer Replacement Battery (BM49) The BM49 is a 3. 85V, 4750mAh Li Polymer cell that fits the Xiaomi Mi Max, Mi Max Dual SIM, Mi Max Dual SIM TD LTE, and 2016002 variants. It replaces a degraded original cell that no longer holds charge through a normal day. Capacity is rated at 18. 29Wh. Mi Max platform fit: These models share the same battery bay dimensions, connector pinout, and BMS handshake protocol. The BM49 cell
