It varies depending on usage. For continuous playing, the battery lasts for approximately 3.8 hours.* If it is not continuously playing, the battery time should be longer.

Low Usage: 2 weeks
Typical Usage: 2-3 days
Heavy Usage: 1 day

* For our continuous use testing, the play pattern used the following: 3 minutes playing games, 2 minutes taking videos and 20 minutes taking photos.