Extra battery kit for heated gloves - Ultra Heat Boost GL3600 Old Collection A wrist adjustment strap ensures

A wrist adjustment strap ensures a snug seal against cold air

Primaloft® insulation for warmth and moisture control

Lightweight and compact

Anatomical padding: Low-profile

Extra battery kit for heated gloves - Ultra Heat Boost GL3600 Old Collection A wrist adjustment strap ensuresDeveloped for the Therm ic Ultra Heat Boost Gloves and Ultra Heat Boost Mittens (gloves with a new heating element (+1. 5W) to increase the feeling of warmth), these 3600mAh batteries are more powerful, allowing you to get more heat. In addition, these batteries charge faster than the old ones (5h30 instead of 8h). Please refer to the table below for the heating times of the different batteries.