This 3.7V 300mAh Li-Polymer battery is a compatible replacement for Garmin Fenix 3 HR. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Included: One replacement battery pack.
Battery specifications
| Voltage | 3.7V |
| Capacity | 300mAh |
| Chemistry | Li-Polymer |
| Energy | 1.11Wh |
| Dimensions | 32.10 x 24.52 x 4.88mm |
| Battery weight | 7.4g /0.26 oz |
Replacing your Garmin Fenix 3 HR battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
Garmin Fenix 3, Fenix 3 HR
Replacement battery numbers
Garmin 361-00034-02