7.4V/12V rechargeable battery powered heated warm jacket for winter Main Features: 1,The heating element is made of carbon fibres offering reliability and durability, as well as medical properties by far infra red waves. 2,A safe and economic Li-ion battery provides a long time of operation of the heating system 3,A pocket for storing the battery offers you comfort of use every day 4,The heating element is located on belly and back , thanks to which your body will remain comfortably warm all the time 5,Our clothes'setting could show the battery capacity Technical Data: Material : Outer:95% polyester+ 5% spandex
Filling : cotton
Inner: 100% polyster
Color:red/black
Temperature :45-65 ℃
Heating pad : 1 on the back / 2 on the chest Size:S-M-L-XL
Note:the control button on chest 7.4 V battery power : 7.4V , 10W . working time :High-4 hours , Mid-6 hours ,Low - 8 hours
Battery type : Li-ion
voltage:7.4 V
capacity:5200 mAh Note : includes batteries More photos: