UltraLast - Lithium-Polymer Battery for Fitbit Charge 2

Measures weight, BMICompatible with select iOS and Android devicesDigital display

Power up your smartwatch with this UltraLast smartwatch replacement battery. The precise design provides compatibility with select Fitbit smartwatch devices, providing dependable power for lasting use. A convenient rechargeable format helps extend the life of your device, and the simple configuration makes this UltraLast smartwatch replacement battery easy to install.