One of Paul Walker's last movies, he passed away two weeks before this movie was released in the USA.
Nolan Hayes charged the battery at least 1280 times. That's over 5200 cranks on the generator handle.
From the time the power was lost, Nolan went 46 hours without sleep, causing him to inevitably collapse. However, it was a lot longer than in that there's no telling how long he was already awake when bringing his wife to the hospital.
Eric Heisserer's directorial debut.