17 Areas Usb Heated Jacket Men Women Electric Heated Vest Heating Vest Heated Bodywarmer Usb Inner Heat Vest Veste Chauffante
①Battery not included
②Please choose suitable power bank model.If you feel the vest does not heat better,pls check whether your power bank model is right.
③for 11/13/17 zones heated vest,you can use 9V/2.2A,12V/1.67A,4.5V/5A,4.5V/5A,7.4V/3A power bank.(
(20 W,22.5W power bank is suitable for 11/13/17 zones heated vest)
④for 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)
⑤please use power bank with high USB Power Delivery（unit：W）， The higher the USB Power Delivery, the higher the heating temperature.
output Power (W)=Voltage (V) * Current (A).for example ：output power 10W=5V*2A / output power 22.5W=5V*4.5A