How long do night vision goggles last?

The average life of night vision goggles depends on the kind of model or generation of goggles you are using. If you are using a generation 2+, then it will last around 5,000 hours. A gen 3+ will have a life of 15,000 hours with continuous operation. The most common type of night vision goggles nowadays has an average life of 10,000 hours.