Adds 2 Quantum backpacks with their own upgrades or simply UP that adds more 250 litres of capacity and durability and removes electric conductivity but if their damaged they'll leak radiation irradiating you if you have them in your inventory or worn
Quantum Backpack able to carry 250 exact litres only found in labs, rare to find though
Quantum Duty Backpack able to carry 750, can be found in labs but their more common in military bases but still extremely rare