Double the power, wherever you need it. Replacement or backup batteries 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. Keep one charged and ready while using the other—perfect for long days in the cold or back-to-back adventures. Note: Glove Liners, Mid-Weight Gloves and some older models of MW gloves use MWBT2 Split Batteries.