For my usage I got an easy one and a half day of mixed usage on a single charge. (gogi.in)
On our testing, we found that the battery gives about a day backup with mixed usage of voice calling, web surfing and music playback. (techone3.in)
Overall battery life on the Moto G4 Plus is as advertised, and will last all day with moderate mixed usage of the browser, audio and video playback. (9to5google.com)