Energon grenade

Energon Grenades are weapons from the War for Cybertron portion of the Generation 1 continuity family.

Are you and your allies under heavy fire? Toss an Energon Grenade to create an area-wide healing effect. These beneficial bombs come in sets of two.

Fiction

War for Cybertron

Energon grenades were carried by Scientist-class Transformers during the Great War. Transformers: War for Cybertron