The Vantage Stadium Seat from Gobi Heat delivers portable comfort and warmth with a 7.4V 6500 mAh battery powering 2 heat zones and 3 settings: low (113°F/9 hrs), medium (122°F/6 hrs), and high (131°F/4.5 hrs). Fully charge in 3-4 hours for up to 9 hours of warmth. Designed for outdoor use, it fe...