The POLAR SEAL heated clothes are powered by an external 5V compact USB power bank (not provided) with an output of 2A or more (with USB-A connector) delivering 5,000 to 20,000 mAh, which you can procure online or from most electronics stores in your country.
2A or more (up to 2.4A)
5,000 to 20,000 mAh
This open compatibility allows you to choose the power bank of your liking, in terms of brand name, size, capacity, color etc. There are multiple advantages:
If you set your buttons on two heating zones at a high level, your POLAR SEAL will heat you up for the following periods of time.
Around 4 hours autonomy
Around 8 hours autonomy
Around 14 hours autonomy
(Data subject to variation depending on the quality & age of the power bank)
If necessary, you can use the spare right pocket to store an extra power bank, thereby extending the heating time to a whole day.
You insert this power bank in the dedicated left pocket and connect it to the USB plug located inside the pocket. You need to remove the power bank from the pocket when you wash your POLAR SEAL.