This 3.7V 100mAh Li-Polymer battery is a compatible replacement for FitBit Surge. 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 | 100mAh |
| Chemistry | Li-Polymer |
| Energy | 0.37Wh |
| Dimensions | 24.00 x 15.50 x 4.20mm |
| Battery weight | 2.7g /0.10 oz |
Replacing your FitBit Surge 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
FitBit Surge
Replacement battery numbers
FitBit LSSP491524AE