Megan Ellis / Android AuthorityAdd Android Authority on Google: After my positive experience with the Samsung Galaxy Watch 8, I couldn’t wait to try out the Galaxy Watch 9. It has a larger battery than its predecessor and new features that come with One UI 9 Watch, so I was curious as to how these changes would play out in real life.After three months with the device, my hopes for improved battery life were largely extinguished. But I found myself enjoying the watch’s improved sleep tracking, and two new features in particular. Readers’ pollWhich Samsung Galaxy Watch 9 feature interests…