S-Pack 1400B

Heated socks batteries


The S-Pack 1400B is the most powerful battery in the range. Bluetooth technology allows you to remotely manage your heat level via your smartphone. Up to 16 hours of heat.

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Product benefits

The S-Pack 1400B battery has a maximum autonomy of 16 hours and is controllable via your smartphone thanks to Bluetooth technology. It has three different intensity levels, allowing the user to adjust the level of heat to suit their needs. It can be recharged using the included USB charger.

The pack includes two rechargeable batteries. Easily adaptable to compatible heated socks to provide constant heating during winter outdoor activities.

In a nutshell

  • Pack of two S-Pack 1400B batteries
  • Controllable via Bluetooth on your smartphone
  • Heating time level 1: up to 16 hours
  • Heating time level 2: up to 8 hours
  • Heating time level 3: up to 5 hours
  • S-Pack batteries are compatible with Therm-ic Powersocks
  • Pack includes a USB charger to charge both batteries simultaneously


List of compatible heated socks

The S-Pack 1400B battery is designed to be used with our Therm-ic heated ski and outdoor socks. Here is the list (from the oldest to the newest):

Heated ski socks :

Outdoor Heated Socks :


  • Store batteries in a cool place (5°/41°F to 20°/68°F)
  • Batteries should be half charged before storage
  • Disconnect batteries from socks before storage/cleaning
  • Clean the batteries with a soft cloth slightly dampened with a mild detergent

  • 4 reviews
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    3.3 /5

    Based on 4 customer reviews

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    Giuseppe T. published the 10/10/2023 following an order made on 12/09/2023


    My impression is that is not heating even if I set at max power ( batteries of 1400 )

    Did you find this helpful? Yes 1 No 1

    Sergio M. published the 15/02/2023 following an order made on 11/01/2023


    No es el producto que necesitaba

    Did you find this helpful? Yes 0 No 0

    Anonymous customer published the 10/02/2021 following an order made on 31/01/2021


    Works well and it is easy to put on socks. Maybe charging could be a bit faster, but I can manage with that.

    Did you find this helpful? Yes 1 No 0

    Anonymous customer published the 01/02/2021 following an order made on 14/01/2021


    One of the batteries dod not work and had to be returned:-(

    Comment from Therm-ic the 27/01/2021
    Hello, for information our products are guaranteed for two years. Have a good day. Team Therm-ic.

    Did you find this helpful? Yes 6 No 0

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