How long is QuietTV's battery life? September 07, 2021 16:06 Updated On average, a full charge of the QuietTV headphones lasts between 5-7 hours. Related articles What do the lights on QuietTV mean? How do I connect to my TV? What type of streaming does QuietTV use? Can QuietTV be used with hearing aids? Can multiple people use QuietTV wireless headphones at the same time?