Battery life and power, Battery life, Charging your force – Fitbit Force User Manual
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Battery Life and Power
Battery life
Your Force contains a rechargeable lithium-polymer battery.
With normal use, your fully charged Force should last about 7 to 10 days before
needing a charge. You can check the level of your battery by logging into Fitbit.com
and clicking the
gear
icon on the top-right corner of the page.
When you press the button on your Force to cycle through your stats, the first
screen will show a battery if there is approximately one day or less of battery life
remaining.
Charging your Force
To charge your Force, plug the charging cable into the USB port on your computer
and plug the other end into the port on the back of the Force.
Charging completely takes an average of one and a half to two hours.