QUICK REGEN is a specialization featured in Battlefield 4 and is the fourth specialization apart of the Defensive upgrade path. It decreases the amount of time it takes to start out of combat health regeneration by 20%.
Quick Regen is a Specialization featured in Battlefield 1 for all kits. Introduced as part of the In the Name of the Tsar expansion, it was added to the Community Test Environment in August 2017. The specialization decreases the time to initiate Out of Combat Heal by 20%.