Attention Before Purchase: Type C Heated Jacket Charger Cable can Excited Power Bank TypeC outlet from 5V to 9V from your QC 3.0 Power Bank or PD function Power Bank. The heated jacket adapter cable only work with QC 3.0 Power Bank or PD function Power Bank. NOT work for old version power bank which USB outlet is 1.0A, 2.0A, 2.1A, 3A. Heated Jacket Battery Charger Adapter Cable compatible with most of 7.4v or 8.4v Heated Jacket in the market. FIT most of 7.4v or 8.4v HEAT JACKET! NOT FIT Craftsman / AEG / Revean / Metabo / Milwaukee / Makita / Snap-on 12V HEAT JACKET! (As connector size and voltage is different) Why your Jacket cannot work with this Cable? The function of this Type C Heated Jacket Charger Cable is that it can Excited your Power Bank TypeC outlet from 5V to 9V from your QC 3.0 Power Bank or PD function Power Bank. The heated jacket adapter cable only work with QC 3.0 Power Bank or PD function Power Bank. NOT work for old version power bank which USB outlet is 1.0A, 2.0A, 2.1A, 3A. (Most of the time, Your jacket won't work because your power bank doesn't have Real QC3.0 or PD function ) Why Choose this Heated Jacket Step-up Magic Adapter Cable? This 9V Heated Jacket Step-up Adapter Cable can connnect with your own QC 3.0 Power Bank or PD function Power Bank. This Can save your money. This Magic Cable can be as Replacement Heated Jacket Battery Pack Solutions for most of 7.4v 8.4v heated jacket, heated gear. Benifts of This Heated Jacket Step-up Magic Adapter Cable? 1, Save money and don't need buy extra heated jacket backup battery and your can use your own own QC 3.0 Power Bank or PD function Power Bank. 2, This cable can make your heated jacket battery Slimmer,Flatter - Don't have to put up with the Heated jacket original battery jabbing into your back when sitting in a chair or truck seat any more! Why your Jacket cannot work with this Cable? The function of this Type C Heated Jacket Charger Cable is that it can Excited your Power Bank TypeC outlet from 5V to 9V from your QC 3.0 Power Bank or PD function Power Bank. The heated jacket adapter cable only work with QC 3.0 Power Bank or PD function Power Bank. NOT work for old version power bank which USB outlet is 1.0A, 2.0A, 2.1A, 3A. (Most of the time, Your jacket won't work because your power bank doesn't have Real QC3.0 or PD function )