The S-Pack 1400B battery delivers up to 14 hours of warmth and full Bluetooth control for your Therm-ic and SIDAS heated socks. Sold individually.

Bluetooth app control lets you fine-tune your comfort. USB charging cable and 5V/2A charging cube not included.

Heating Duration

• Level 1: up to 14 hours
• Level 2: up to 7 hours
• Level 3: up to 3.5 hours

Key Features

• Bluetooth control via smartphone app
• Three manual and ten Bluetooth-adjustable heat settings
• Compact and lightweight

Compatible Heated Socks

• Therm-ic Powersocks Heat Men
• Therm-ic Powersocks Heat Ladies
• Therm-ic Powersocks Heat Fusion
• Ultra Warm Comfort S.E.T®
• Ultra Warm Performance S.E.T®
• SIDAS Ski Race S.E.T®
• SIDAS Ski Heat LV
• SIDAS Ski Heat MV