Extra Battery Pack 3,800 mAh

The 3,800 mAh battery pack is built for those who need longer-lasting warmth in colder conditions. With increased capacity, this battery ensures extended usage time while maintaining a slim and comfortable design. Ideal as an upgrade for more demanding environments.

The 3,800 mAh battery operates at 7.4V and delivers a total energy capacity of approximately 28.1 Wh, ensuring extended performance and longer-lasting warmth in colder conditions. The battery is rechargeable via USB-C, allowing you to easily charge it at home or on the go using a power bank.

With dimensions of 78 x 65 x 13 mm and a weight of 115 grams, this battery offers a strong balance between increased capacity and wearing comfort.

Heating duration varies per product and usage. For an estimated heating time, we recommend consulting the specific product page.