Fuel Cell

(Unlocked in Inventor tab).

Requirements to produce:
 * Cell (Inventor tab)
 * Zinc (Inventor tab)
 * Heat (The Machine tab)

Possible upgrades:
 * Job Speed (cost: Zinc)
 * Item Capacity (cost: Cell)
 * Worker Capacity (cost: Electrolyte)
 * Worker Efficiency (cost: Energized Cell)

Used With

 * Flare Gun