Flat-out powerful

ewool® 70W flat battery

Power through the coldest weather without feeling bulky under your coat. Worn with your ewool PRO heated vest, our new 70W flat battery is the perfect balance between size and power.

Order your new flat-out powerful battery today.

5 review(s) Write a Review
ewool® 70W flat battery being inserted in ewool® PRO heated vest

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.

ewool® battery is straight up powerful

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.

ewool® 70W battery is up to 4 times thinner than other batteries on the mark
Up to 3x more power
Up to 4x thinner
ewool® battery with 32W charger plugged on a wall

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

ewool® dual battery kit

Twice the power

Double the battery life of your ewool PRO heated vest with our dual battery kit.

Buy dual battery kit

Order your new ewool 70W flat battery today

Buy now
ewool® flat battery front view ewool® flat battery side view with charging port ewool® flat battery back view

5 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Yves Bedard on 2020 Dec 8th

    Très légère et mince, passe inaperçu dans la veste, très confortable, mais semble un peu juste pour la duré de chauffage

  • 5
    Empereur de l'Univers parallèle

    Posted by Denis Lussier on 2020 Nov 23rd

    J'aime la chaleur !

  • 5
    battery flat 70 watt

    Posted by mr tran on 2020 Nov 22nd

    excelllent quality, and services

  • 5

    Posted by sylvain on 2020 Nov 16th

    De bonne dimension mais pas nuisante lors du port de la veste

  • 5
    70W Flat Battery

    Posted by Charles-Antoine Fournier on 2020 Jun 17th

    This new ewool battery is an improvement to the previous generation. It's flat design fit better my ewool vest and it's more powerful!


Lithium Polymer


1270-01 V2


6 300mAh 11.1V
70 Wh


12.6V ⎓ ≤2.5A


11.1V ⎓ ≤4.5A

Product size

Height: 200 mm
Width: 100 mm
Depth: 12 mm

Product weight

380 g


ewool® battery-certification
Made in China

Download user manual