This 3.8V 260mAh Li-Polymer battery is a compatible replacement for Fossil APP00221. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Included: One replacement battery pack.
Battery specifications
| Voltage | 3.8V |
| Capacity | 260mAh |
| Chemistry | Li-Polymer |
| Energy | 0.99Wh |
| Dimensions | 29.10 x 23.40 x 4.00mm |
| Battery weight | 5g /0.18 oz |
Replacing your Fossil APP00221 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
Fossil Gen 4 Smartwatch, Gen 5 Smartwatch, Sport Smartwatch
Replacement battery numbers
Fossil APP00221