The CS-FTB424SL battery provides 3.87V 75mAh Li-Polymer power. Match your equipment model or current battery number below, then compare the specifications and product photos.
Included: One replacement battery pack.
Battery specifications
| Voltage | 3.87V |
| Capacity | 75mAh |
| Chemistry | Li-Polymer |
| Energy | 0.29Wh |
| Dimensions | 19.30 x 11.80 x 3.40mm |
| Battery weight | 2g /0.07 oz |
Find the right battery for your equipment
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
FitBit inspire 3
Replacement battery numbers
FitBit FB424