Hecusma Quilted Heated Vest with Battery Pack Warming Winter Full Zip Womens S Womens Size Small. Battery Pack Included. Quilted Heated Vest Women with Battery Pack 16000mAh 7.4V, Warming Heated Vest for Women, Smart Women's Heated Vest QUICK LONG-LASTING WARMTH: Compared with 5V 10000 mAh heated vest, our heated vest for women with battery pack included 7.4V 16000mAh, large-capacity keep you long time warmth ,7.4V voltage allowing the womens heated vest to quickly heat within 3 secs. All areas can be used for up to 10 hours (low),6 hours (med) and 4 hours (high) on a full charge. UL/CE-certified battery pack supply with safeguard system to prevent overheating and overcurrent, keeping you warm and safe at the same time. Why Shop with US?Customer Service is our #1 Priority Excellent Pricing Excellent Feedback Quality Assurance Fast Shipping FeedbackIf you are completely satisfied with your purchase please leave us positive feedback. If there is an issue with your order, please understand we are human and we do make mistakes. Please send us a message and give us a chance to resolve before returning or opening a dispute with . Shipping PolicyWe will ship almost all items within 1 business day. All items ship from Kansas City MO and take 2-5 days depending on shipping service. On rare occasion, USPS or FedEx may delay a package. Please understand this is out of our control. If you order/pay before 12 PM CST we will try our best to get your package out same