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Third generation of the Fitbit Charge fitness tracker series.

Fitbit Charge 3 charging pinout?

I was looking for the pinout earlier and nobody on the internet had the answer...

I ended up buying a charger clip and promised myself to post the pinout to help anyone who needs to charge it without the clip.

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가장 유용한 답변
Block Image

From left to right:

  • +5V
  • not in use
  • GND

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Appears that this info is also correct for the Fitbit Charge 4 as well.

I brought Fitbit charge 3 band for less than $1 at scrap store. Thank you for the information, i needed it finally, now I will hack into it

And add new battery and charge without the clip...

Also worked on a Fitbit Inspire 2, which looks similar on the underside. 5V (red) on the left contact, GND (black) on the right, when oriented like the photo.

YES! Wonderful, thank you so much. I taped carefully stripped USB-cables +5V and GROUND and it's charged from 7% to 56% now. Can't thank you enough. Charging my Fitbit Charge 3 right now. Saved me a three hour ride!

I've been using this Fitbit Charge 3 for so long now the display stopped working a year ago. Still tracks good though.

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