The mod reduces players’ Super ability cooldown after they use a class ability — Titan Barricade, Hunter Dodge, and Warlock Rift.
Normally this mod adds a bit of bonus Super energy on each class ability cast, but the Season of Dawn patch added the ability to stack multiple Dynamo mods together.
Farewell Dynamo, we barely knew you As part of the Season of Dawn patch for Destiny 2, Bungie increased the effectiveness of the Dynamo armor mod by removing its mod stacking restrictions.
But until then, players won’t be able to use even a single Dynamo mod to get Super energy back.