The suit is described as magnifying the average man's strength by a factor of 20, which means the user should be able to lift 4-5 tons in a military press. That's not even Spider-Man territory, but in several scenes, Mills is shown to be about as strong as Superman.
While demonstrating the battle suit, Sgt. Mills says it sports a powerful "cash-ay" of weapons, but the word "cache" is pronounced "cash."