Subnautica Wiki
This article is about Engine Efficiency Module. If this is not what you are looking for, see Upgrade Module (Disambiguation).

The Engine Efficiency Module is an Upgrade Module which increases the power efficiency of the Seamoth and Prawn Suit.

The Engine Efficiency Module recycles heat by-product to minimize power inefficiencies. Each Module reduces power use by 15% (Can be stacked up to four modules resulting in a maximum power efficiency of 60%).


Computer Chip.pngPolyaniline.pngArrow-right (1).pngVehicle Upgrade Console.pngArrow-right (1).pngSeamoth Power Efficiency Module.png