How do I replace the batteries? Jes Jakobsen December 06, 2017 11:23 Updated The batteries in UGO can easily be replaced by removing the silicone. UGO uses two CR2032 lithium batteries. Related articles GO What kind of batteries are used for Reelight GO? How much light does UGO emit? There is no light when I spin the wheel AMS Light Comments 0 comments Article is closed for comments.