Men's Women's Electric Heated Vest Jacket Body Warmer Heating Warm Thermal Gilet
For 2/4/8/9 zones heated vest,you can use 5V/2A,5V/3A,12V/1.5A,9V/2A, 9V/2.2A,12V/1.67A,4.5V/5A,4.5V/5A,7.4V/3A power bank. (10W,15W,18W,20W,22.5W power bank is suitable for 2/4/8/9 zones heated vest).