With four (4) cells in each Battery Pack, the Power Plus S4 is Hotronic’s most powerful, longest lasting FootWarmer!

HOTRONIC’S FOOTWARMING SYSTEM

• Easily installs in all types of footwear.
• Transfers simply from one pair of footwear to another.
• Use while skiing, snowboarding, bicycling, horseback riding, fishing, and during other general cold-temperature activities.

HOTRONIC’S BATTERY PACK e4

• Powered by high capacity, cold temperature operation, NiMH cells.
• Four (4) temperature-duration settings.
• Settings adjusted by easy to use, push-button controls.
• Easy to read Battery Pack LEDs indicate setting selected and power on / off.
• Battery Packs easily attach to secure area of footwear.
• Battery Packs e4 contain four (4) cells for extended duration.
• NiMH cells do NOT have “memory effect” and do NOT require fully discharging before fully recharging.

Temperature & Duration Chart
Setting	Approximate Average Temperature		Duration Range
	°F	°C
1	84 - 95	29 - 35	16.5 - 19.5 h
2	107 - 118	42 - 48	7 - 9.25 h
3	122 - 132	50 - 56	5 - 6.5 h
4	158 - 168	70 - 76	2.5 - 4 h
Based on battery pack in ambient temperatures of -22° to -15° C (-9° to +4° F). Based on heating element in ambient temperatures of 20° to 26° C (68° to 79° F).

HOTRONIC’S RECHARGER POWER PLUS e / m SERIES

• Advanced global charging technology with overcharge protection and input range of 100V-240V.
• Includes North American and European plug adapters.
• Recharger LEDs indicate recharging mode and battery charge status.
• Compatible with both e Series and m Series Battery Packs.

HOTRONIC’S HEATING ELEMENTS

• Large oval Heating Elements provide effective anatomical coverage of toes.
• Heating Elements easily install in Hotronic’s Heat Ready Insoles (Semi Custom Heat Ready Insoles or One Size Fits All Heat Ready Insoles) or on insoles of one's own choice.
• Self-Adhesive Fabric Covers and Strips included for installation on insoles of one's own choice.

CONTENTS IN BOX

• 2 Battery Packs e4 with Integrated Heat Regulator.
• 1 Pair of Heating Elements with Self-Adhesive Fabric Covers and Strips.
• 1 Recharger (global input 100-240VAC, 50/60Hz) with North American and European Plug Adapters.
• Operating Instructions & Limited Warranty Card.