Schematic Category
Mark IV Shield Upgrade

This category is a subcategory of Mark V Shield Upgrade

These categories are subcategories of this category:

Mark III Shield Upgrade


The following schematics belong to either the Mark IV Shield Upgrade category or a descendant of the Mark IV Shield Upgrade category and can thus be used in a slot that requires an item of the Mark IV Shield Upgrade category:

Defense Systems I: Light Armaments
- Shield Energy Saver Kit - Mark I
- Shield Intensifier - Mark I
- Shield Limiter - Mark I
- Shield Overcharger - Mark I

Defense Systems II: Standard Ordnance
- Shield Energy Saver Kit - Mark II
- Shield Intensifier - Mark II
- Shield Limiter - Mark II
- Shield Overcharger - Mark II

Defense Systems III: Heavy Weapons
- Shield Energy Saver Kit - Mark III
- Shield Intensifier - Mark III
- Shield Limiter - Mark III
- Shield Overcharger - Mark III

Defense Systems IV: Advanced Ship Defense
- Shield Energy Saver Kit - Mark IV
- Shield Intensifier - Mark IV
- Shield Limiter - Mark IV
- Shield Overcharger - Mark IV