Description

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