The Hotronic e4 Footwarmer is a complete system to install the leading boot heating system into your ski, snowboard or hiking boots, or any footwear used in cold weather activities. The Power Plus e4 system is Hotronic's most powerful, longest lasting FootWarmer. New NiMH battery does not have the memory effect and do not require fully discharging prior to recharging.
High-capacity, rechargeable NiMH batteries built for cold-weather operation. Four temperature settings via push-button controls.
Setting level one heats from 84 to 95 F (29 to 35 C) for 16.5 to 19.5 hours.
Level two heats from 107 to 118 F (42 to 48 C) for 7 to 9.25 hours.
Level three heats from 122 to 132 F (50 to 56 C) for 5 to 6.5 hours.
Level four: 158 to 168 F (70 to 76 C) for 2.5 to 4 hours. NOTE: Level four, can be used in three-minute intervals or continously, and is meant for a burst of heat. NOTE: Using longer may result in burns.
Battery pack LEDs indicate power on or off status and selected heating level. Lights blink when heating level four is selected to run continuously.
What's in the box: Kit includes two e4 batteries, two elements, charger, cambrelle covers and instructions. Does not include insoles, this kit installs on existing insoles, or on heat-ready insoles sold separately.
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