Regular price$174.95
- Ships Via UPS Ground
Flammable liquid waxes, base cleaners, and products containing Lithium-ion batteries must ship via UPS Ground.
UPS ground cannot deliver to USPS PO boxes.
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The Therm-ic S-Pack 4000B Batteries for Heated Socks are high-performance rechargeable battery packs engineered to provide exceptional warmth and extended runtime for cold-weather activities. Designed for use with compatible Therm-ic heated socks, these advanced lithium-ion batteries help keep feet comfortably warm during skiing, snowboarding, winter hiking, hunting, and other outdoor adventures. Featuring integrated Bluetooth® technology, the S-Pack 4000B allows users to conveniently adjust heat settings from their smartphone, ensuring personalized comfort in changing weather conditions.
Built for demanding winter environments, the S-Pack 4000B delivers powerful, consistent heating performance with multiple temperature levels to suit individual preferences. The lightweight and compact design attaches securely to heated socks without restricting movement, making it ideal for long days on the mountain or in the backcountry. Whether you're facing freezing temperatures or spending extended hours outdoors, the Therm-ic S-Pack 4000B provides reliable warmth, convenience, and all-day comfort.
Key Features:
- High-capacity rechargeable lithium-ion batteries for extended heating performance.
- Bluetooth® connectivity enables convenient smartphone heat control.
- Multiple adjustable heat settings provide customized warmth.
- Lightweight, compact construction ensures comfort and freedom of movement.
