Designed for use with prewired Anatomic Insoles or with Heating Elements installed in Hotronic Heat Ready Insoles or custom insoles and orthotics (not included)

Includes 1 battery pack; contains 4 batteries total

Additional battery packs (not included) extend total warming duration for extremely cold days

S-series NiMH batteries maintain up to 55% of a full charge and 95% of their initial capacity after 4 years of nonuse

An increase in capacity over past models offers up to a combined 30% higher average temperatures and longer durations on a single full charge in the cold

Hotronic NiMH batteries do not have a memory effect and thus do not require a full discharge before fully recharging

• Best Use: Snowsports
• Rechargeability: Rechargeable
• Battery Type: NiMH
• Battery Size: Special Purpose
• Weight: 0.4 pounds