When commanded to deploy, it starts thumping the ground repeatedly, and after several thumps(how many?), it becomes fully charged and it explodes.
The MAD tank is the only unit in the game that deals damage on percentages. It deals 19% damage to all units in its range on detonation, plus 1% per thump while charging. The total damage passes 33%, which makes 3 MAD tank able to destroy any building or vehicle in their range if properly detonated.