Battery Type: Li-ion Polymer battery Capacity: 500mAh Nominal Voltage: 3.7V Pack Dimension: 37.00 x 25.50 x 6.00mm Weight: 10g Working Temperature: Less than 60℃(140℉) Compatible Models: Garmin Fenix 6X, 010-02357-00, Tactix Delta Compatible Part Number: 361-00126-00Cautions: 1. DO NOT ATTEMPT OPEN, DISASSEMBLE THE BATTERY. 2. DO NOT CRUSH, PUNCTURE OR DISPOSE OF IN FIRE OR WATER. 3. DO NOT EXPOSE TO ABOVE 60℃(140℉).