All Lifeline® batteries offered by Concorde Battery Corporation are classified as Valve Regulated Lead Acid (VRLA) batteries. According to Section 608 of the International Fire Code (2006), spill containment is not required for VRLA batteries regardless of the size.
https://lifelinebatteries.com/wp-content/uploads/2015/12/Technical_Bulletin_GPL_Acid_Volume.pdf

