The Gyde Heated Puffer Jacket, powered by Gerbing Technology, is the most technologically advanced 800-fill jacket on the market. Powered by Gerbing Coreheat 7 technology, the Gyde Heated Puffer Jacket is a standalone battery powered heating system. This system maxes out at 135F degrees, and is powered by a 7 volt 2.2Ah lithium-ion battery. This is the premier jacket for anyone struggling to deal with the extreme cold temperatures. The combination of battery powered heat and naturally produced body heat being stored by the 800-fill down makes for unbeatable warmth. Features: In Pocket Heat Control, coreheat7 Technology, microwire system, Hours of Heat: 2 hours at 100% / 4 hours at 75% / 6 Hours at 50% / 8 hours at 25%, Rechargeable Battery, We Recommend you Hand Wash and Hang Dry Product, Wall charger included, Car charger sold separately Exterior Material: Mini Rip Shell, Micro Poly Lining, Insulation Weight: 800 Fill Down, Taped Seams: None, Waterproof Rating: N/A, Breathability Rating: Not Specified, Warranty: Other, Battery Heated: Yes, Race: No, Type: Insulator, Jacket Fit: Regular, Length: Medium, Insulation Type: Down, Waterproof: None, Breathability: Not Specified, Waterproof Zippers: No, Wind Protection: Yes, Warmth Factor: Warmest, How Does This Fit?: True To Size, Model Year: 2015, Product ID: 355517, Model Number: JKCHPFWWH-S, GTIN: 0875166009651