Once you've collected at least two Fortnite fuel cells by walking through them, your backpack should be fully lit up and you'll receive a message from The Imagined telling you to get it back ...

The Fortnite Sensor Backpack is a handy item to find, as it'll help you track down a Fortnite energy fluctuation around Loot Lake once you have it equipped.

Fortnite's Resistance Week 8 quest requires the player to use a Sensor Backpack, but finding them is just a part of completing it. Skip to main content Skip to header right navigation ...

Use the sensor backpack to record Zero Point energy signatures - Fortnite Chapter 3 Season 4 storyline quest Before you can start this task, there are other challenges you have to complete first.