The Chaheati Seat Cushion lets you bring comfort and 3 levels of gentle heat with you wherever you go. The 5000 mAh 7-volt battery powers the Chaheati Cushion so you can enjoy that baseball game, family picnic, or a lazy day by the pool for hours at a time. The 7V battery tucks away discreetly inside a zippered pocket for easy storage and use and the attached carry strap lets you easily transport the cushion to your destination and back home again.