Long Battery Life: With just one charge, the vest can last for many hrs, based on the heat environment. Workers in Chilly Environments: People that work outside throughout the colder months, including design workers, shipping and delivery drivers, or outside routine maintenance teams, can profit drastically from heated vests. https://how-much-is-a-voltex-heat71234.pages10.com/the-ultimate-guide-to-how-much-does-a-voltex-heated-vest-cost-67268674