This charger is designed for use with the Guide Pro Smart Heated Gloves Clim8® batteries and can charge two batteries at once! The body includes an LED light to indicate the charge level. Eddie Bauer First Ascent is a comprehensive collection of premium, technical outdoor products for all mountain experiences, informed by over 100 years of product development and design expertise.WARNING: The charging pin for this product can expose you to lead, which has been identified as a harmful substance. See