It's tough to find quality 18650 batteries that actually fit your Nucleus-M Kit! We have extensively worked with SJ Batteries on the Tilta Nucleus-M kit and they work flawlessly! 

Batteries only. Nucleus-M Sold Separately.

Not compatible with Nucleus-N, only compatible with Nucleus-M units. 

Tilta, filmmakers, batteries for professional filmmakers. We're happy to answer any questions. Just ask!