This single Therm-ic C-Pack 1300B battery offers up to 13 hours of warmth with either manual or app-based Bluetooth® control. Great as a spare or replacement for your C-Pack 1300B set. Enjoy the same 3 physical settings, or fine-tune using 10 levels in the Therm-ic Heat Control app. Best attached to the tongue loop of your ski boot liner.

Includes: 1x C-Pack 1300B battery (USB charger not included)

Heating duration:

• Level 1: up to 13 hours
• Level 2: up to 7.5 hours
• Level 3: up to 4.5 hours

Key features:

• Manual or Bluetooth® control with 3 or 10 heat levels
• App features motion sensor and eco mode options
• Bluetooth levels mirror manual output: Manual 1 = App Level 3, Manual 2 = App Level 6, Manual 3 = App Level 10
• Compatible with USB charging (5V/2A wall cube required)
• Upgrade available: C-Pack 1700B for up to 17 hours of heat

Compatible with:

• Insole Heat Kit
• Insole Heat Flat