Hello @CX5 is your Charge 2 still connected to your Fitbit account? If it is, then all you should have to do is charge it up and you should be good to go.
If you do need to reconnect this Charge 2 to your account. Open the fitbit app, press the Account icon in the top left and then press Add Device. Now follow the prompts.
Let's tap on the link to Fitbit Help or the YouTube link.
My concearn is with the battery in the Charge 2. Have to kept the Charge 2's battery charged? If the battery has been left dead then the battery may now be useless.
Let's look below and tap on help.
Or we may tap on the YouTube link.
Best Answer