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

Note: The 5500mAh battery is only available in US, UK, EU warehouse. If you are in Canada, check available battery here. 

--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.

Specification:
Model:1090191
Capacity: 7.4V-5500mAh/40.7WH
Type-C input: 5.0V-2.2A Max
DC output:7.4V-2.5A Max
USB output:5.0V-2.1A Max

Battery User Manual

Here is the link for the adaptor.