The Hotronic Footwarmer S4 Custom set is more powerful and longer lasting than ever before. Inside each battery pack are four rechargeable batteries that at the appropriate temperature on the lowest settings can last up to eighteen hours. Included in the S4 Custom set are two Battery Packs, one Recharger, two Heating Elements, two Caberelle Covers that are one sizes fits all, that work with any type of footbed, custom, pre-molded or stock. S4 utilizes a NiMH AA battery that has a high capacity cold temperature operation. These NiMH battery cells do not have a memory effect that has plagued boot heating systems for years, and does not need to be fully drained before being recharged. Warmer feet improve your balance; better balance improves your skiing. Get some today.



  • Improve your Skiing! Warmer Feet=Better Balance. Better Balance=Better Skiing!
  • Great for Diabetics
  • Works on Custom, Pre-Molded, and Stock Footbeds
  • 3 Base Level Settings for Comfort and Warmth
  • 4th Timed Setting for Extra Heat
  • High Capacity, Cold Temperature operation NiMH AA Batteries
  • NiMH Cells Do Not Have a Memory Effect, that Does Not Need a Discharge Before Fully Charging
  • Recharger LEDs Indicate Recharging Mode and Charge Status

Hot Tronics Custom S4 Set


    18 Washington Street - Upper

    Ellicottville, NY 14731

    (716) 490-1621


    We will be reopening in November.  Click here to make an appointment.