The design and overall construction of Google’s upcoming Pixel Watch leaked to the internet earlier this week after a “test model” was reportedly left behind in a US restaurant. Now, 9to5Google has an internal scoop inside. According to sources in the publication, the Pixel Watch will be powered by a 300mAh battery and will also have support for mobile connectivity. Recent reports indicate that Google is working on three different models of its long-rumored smartwatch, but how many of these models will offer mobile connectivity remains unknown. To put the expected Pixel Watch battery life in perspective, Samsung’s Galaxy Watch4, which is also 40 mm, has a 247 mAh battery and has been rated for 40 hours of battery life with Wear OS 3. In actual tests, Galaxy Watch4 usually gives you 24 hours of life, depending on usage. Google’s smartwatch is slightly thicker than the Galaxy Watch4 and will have a slightly larger battery. That said, the Pixel Watch is also expected to run Google’s new Wear OS 3, co-developed with Samsung, or a Pixel-only upgrade. Recent code references for one of Google’s applications have shown that the Pixel Watch will be powered by an Exynos chipset from Samsung, so Google may end up using the same W920 chip that powers the Galaxy Watch4. The rumor mill does not yet have information on how much (or how fast) the Pixel Watch will charge. Leading smartwatch makers Apple and Samsung both use a form of Qi charging for their devices, which seems reasonable to expect from Google. Google’s first smartwatch, codenamed “Rohan”, is expected to be announced sometime this year, possibly at the Google I / O event in May. The tech giant is also expected to unveil its latest Pixel phone, the Pixel 6a, at the same event.