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New Sense battery is draining too quickly

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I just got my Sense today and set it up for use. The battery has literally been draining 1% every minute.

I've tried the following: no Always-on display, SpO2 app not installed (I didn't sign up for premium), Clock face is the Fitbit default, restarted as well as factory reset the device.

I went from 96% to 30% within an hour.

Please advise on what to do or if I need to return this item.

Moderator Edit: Clarified subject

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Hi @soomx - if you have just gone through the setup process and it is draining that quickly it must have a fault.

If you hold the watch button for 10 seconds till it blanks or vibrates and wait for the logo to appear and for it to start, you can see if it makes a difference.

It is best to get a refund which gives complete freedom on what to do next.

Author | ch, passion for improvement.

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Hi there, @soomx. Welcome to the Fitbit Community Forums. Thanks for bringing this to my attention and for the troubleshooting steps you've tried. I'm sorry to hear that the battery of your Sense is still draining quickly. I understand where your concern is coming from, we're here to help! 

Have you tried what @Guy_ has suggested?

To better assist you, may I know if your Sense was bought directly from Fitbit.com or it's a second hand device? If your Sense belonged to someone else prior to you, please  bear in mind that as all rechargeable batteries age, they deteriorate to some extent and an older device will need to be charged more often than a new one. The best way of minimizing this effect is to avoid deep discharges of the battery. To maximize the overall life of your Fitbit device's battery, ideally keep it between 20-80%.  Many people find that a daily battery boost works best ( e.g. giving it a 15 minutes charge while you are showering in the morning). For more information, see Can I extend my Fitbit device's battery life?

Additionally, please find below some tips to best charge Fitbit devices:

  • Use only genuine Fitbit charging cables
  • Use only UL-certified wall chargers
  • Avoid USB battery packs
  • Charge at room temperature

For charging purposes, your charging cable or your base station can be plugged into any USB power source, including but not limited to:

  • A computer
  • A Wall A/C to USB adapter, commonly found with smartphones
  • A DC to USB adapter (vehicle power port)
Maria | Community Moderator, Fitbit


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