Your freezer will stay frozen for several hours after a power outage. So will the contents. If the power is restored within 24 to 48 hrs the food should be okay.Edit: Actually, when our power was out after a hurricane, our deep freezer stayed almost completely frozen for five days.our freezer will stay frozen for several hours after a power outage. So will the contents. If the power is restored within 24 to 48 hrs the food should be okay.