Fitbit Fitness Activity Tracker Replacement Battery

Compatible model: For Fitbit Charge 3, FB409 Part No.: LSS271621 A Grade High-quality Li-Ion battery.Brand NEW Cameron Sino branded battery. Excellent quality and reputation.Equipped an integrated microchip that prevents overcharging and lengthens battery lifeThe battery should be charged for about 4-6 hours before being usedGreat replacement for your old, damaged or worn one.This battery is compatible with Fitbit Charge 3 Fitness Activity Tracker.