Flat-out powerful.
Power through the coldest weather without feeling bulky under your coat
Wear with peace of mind.
The 70W flat battery is designed to seamlessly fit in the back pocket of your ewool PRO heated vest. Meeting the rigorous UL1642 certification, you can safely wear it. It’s also TSA approved for air travel.
Flat and Powerful
This 70 W battery will keep you going steadily for hours in the most extreme cold. That’s three times more powerful than most 22 W competitor batteries.
With its stunning design, the flat portable battery is 12 mm thick (just slightly over ¼ inch) and up to 4 times thinner than other batteries on the market.
Fast charging
The new ewool battery is not only exceptionally flat and powerful but also charges faster. In just 2½ hours the battery is fully charged with the ewool 32W charger. Sold separately.
Buy 32W charger
Twice the power
Double the battery life of your ewool PRO heated vest with our dual battery kit.