Hotronic  Foot Warmer Power Plus Custom S4+ Set

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Whether you're planning a brief outing or a long-term journey, this Hotronic Foot Warmer Power Plus Custom S4+ set is easy to use in all types of footwear.


  • Comes with 2 battery packs, 1 recharger and 1 pair of heating elements with Cambrelle® Covers
  • Designed for use in Hotronic Heat Ready Insoles or on custom insoles, orthotics or insoles of your own choice (not included)
  • By blocking and neutralizing the penetrating cold, the Hotronic heating elements keep the blood circulation open while maintaining comfort and warmth in the feet
  • Includes 1 Recharger Power Plus S/e/m that charges compatible battery packs globally in 100V to 240V destinations; includes North American and European plug adapter
  • With enhanced reliability and longevity, the S Series NiMH batteries maintain up to 55% of a full charge and 95% of their initial capacity after 4 years of non-use
  • Plus, an increase in capacity offers up to a combined 30% higher average temperatures and longer durations on a single full charge, all when needed most, in the cold
  • Advanced global charging technology senses when the batteries are charged and protects them from overcharging damage by switching to trickle-current recharging
  • Hotronic NiMH batteries do not have a memory effect and do not require fully discharging before fully recharging


View all Hotronic Hand and Foot Warmers

Technical Specs

Item #183068
Best Use



2 pounds

13 reviews with an average rating of 3.8 out of 5 stars

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