This narration is, firstly, a mursal (disconnected) report because Nasheet said, "from some of our companions." Furthermore, the earlier narration was transmitted with a connected chain, and its content contradicts this report. It is also possible that the narrator made an error in reporting it. Even if it were considered authentic, it could be interpreted that his statement "with an amount equal to it" refers to an amount equal to the urine discharged, which would be more than twice the moisture remaining on the glans. What clarifies this interpretation is (following hadith):
Commentary #22