Hotronic Foot Warmer S4+ Power Plus Power Set

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Charging and spreading warmth through compatible insoles, the Hotronic Foot Warmer S4+ Power Plus power set helps to keep your feet toasty for long-lasting comfort in freezing weather.

  • Features

    • Designed for use with prewired Anatomic Insoles or with Heating Elements installed in Hotronic Heat Ready Insoles or custom insoles and orthotics (not included)
    • Includes 2 battery packs and 1 recharger
    • S-series NiMH batteries maintain up to 55% of a full charge and 95% of their initial capacity after 4 years of nonuse
    • An increase in capacity over past models offers up to a combined 30% higher average temperatures and longer durations on a single full charge in the cold
    • Recharger Power Plus S/e/m includes North American and European plug adapters for use in 100V to 240V destinations
    • Advanced global charging technology senses when the batteries are charged, protecting them against overcharging damage by switching to trickle current recharging


    View all Hotronic Hand and Foot Warmers
  • Technical Specs

    Best Use



    14 x 5 x 2 inches


    1.7 pounds

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