Yep, it's a spin-off of The LEGO Movie, featuring the Batman from that movie. It's set to be released in 2017.
Batcave Teaser Trailer
Wayne Manor Teaser Trailer
Also, in case you're wondering what would happen if The LEGO Movie version of Batman meet the canon Batman: https://www.youtube.com/watch?v=wzPmqHC0o-A