Battery life not lasting as expected

[Fraser]

I upgraded under warranty to an Ionic Adidas at the start of August to replace a faulty Charge 3. 

At first, I was getting 4-5 days from a full charge but after a couple of weeks, this suddenly dropped off drastically to the point I was getting less than 2 days use from a full charge.

I consulted the forums last week and based on the advice I found here, gave it a factory reset, but that didn't resolve anything.

I tried a second factory reset and full charge yesterday. It was fully charged, clean from a factory reset as of 7AM yesterday morning, but the battery is already down to 19% again less 30 hours later.

I'm not sure a 3rd factory reset is going to achieve anything so am wondering what my next step should be?

Moderator edit: Updated subject for clarity 

[SilviaFitbit]

It's great to see you around @Fraser. Thanks for the time you took to share your experience with Ionic. 

I appreciate the troubleshooting you've performed and for letting me know that you've contacted our Support team. In this case, I've shared your post with them, they will continue assisting you and providing you with further options. 

I'll be around if you have any additional questions.