Understanding Charge Power Before Deep Trips
Large vehicles and tools require a return-trip energy reserve.
This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.
How to use this information
Count spare Power Cells and avoid unnecessary high-drain systems.
What to avoid
Returning with no power in a deep cave may strand equipment.