If a battery case falls apart is it safe to just glue it back together?
Lithium Ion batteries are prone to "vent with flame" type sudden ''self-dismantlement'' if subject to heavy discharge or if the battery casing is ruptured or penetrated by a sharp (or other) object. ''Vent with flame'' is not quite an explosion, but the difference is sometimes hard to spot - especially if you are standing close by, or you bag is in an aircraft overhead …