Double the power, wherever you need it. Originally designed as a replacement or backup battery for Fieldsheer’s heated gloves, the 7.4V Powersheer™ Mini Battery 2 Pack is also a smart upgrade for anyone looking to extend warmth in their heated jackets, vests, or baselayers. Compact and lightweight, each 2250mAh battery features a USB-C charging input and an easy-to-read LED battery meter. Keep one charged and ready while using the other—perfect for long days in the cold or back-to-back adventures.