Products ARRIS 2022 7.4V 5500mAH Rechargeable Battery for ARRIS Heated Jackets and Heated Vests

--Package Includes Battery and Charging cable. No adaptor.
--Enjoy up to 12 hours of long-lasting warmth thanks to the increased capacity of the 5500mAh, which delivers performance equal to market-leading 3.7V 10,000mAh power bank with higher efficiency.
--The battery can be charged via directly plugging to Computer or directly charge with wall charger (Not Included)
--Charge be used to charge your mobile phone or other smart device.
 

Here is the link for the adaptor.