Fitbit Ace won't sync, keeps turning off @ 35% charge

[meeshmom]

Got my son a fitbit in July. Was working fine until November-Decemberish when it started dying after hitting about 35% charge (around 1.5 days). Now, we are having trouble syncing it. My app will say it has been synced, but the time and date aren't syncing. 

We have tried the various troubleshooting techniques mentioned in these forums and have current version of the app on my android.

Suggestion would be appreciated!

[Odyssey13]

Reach out to customer support. Their phone number is (877)623-4997 between the hours of 4am-8pm PST Mon-Fri, and 6am-5pm PST on weekends, if you're in the USA. The phone number to call from the UK is: 0800 069 8505. Operation hours: 9:00am - 6:00pm. If you're not in the USA or if you prefer an online chat or email, then click for contact options

[Roskva]

I'm having a similar - my son's ace won't sync at all, only bought it for him in Sept.  I can't even get the time to change to the correct time.