Therm-ic battery boot heating systems are designed to keep you warm in sub-zero temperatures. The Therm-ic boot heating system is easy to use, easy to install and suitable for any boot. The Therm-ic SmartPack 1600 with Remote Control and TrimFit is designed to work in any boot or shoe and is a one-size-fits-all. The SmartPack 1600 with Remote Control is unique because it uses Lithium-ion batteries which are lighter in weight than AA or nickel metal hydride batteries. Lithium-ion batteries weigh almost half of what the other system batteries weigh and are smaller in size.

Therm-ic SmartPack 1600 Battery Boot Heater with Remote Control features......

• The TrimFit heating elements fit every type of winter boot and is a one-size-fits-all.

• The TrimFit system allows you to keep your current or custom insoles.

• You can install them yourself.

• Comfortable warmth up to 29 hours with freshly charged batteries.

• 3 levels of heat that allow you to determine how much heat you want and determine how long your batteries last.

• Remote Control, All you need to do is touch the button on the remote which can be stored in a pocket or around your neck. Both batteries adjust at the same time.

Heat settings:

• Low setting: 37C or 99F for 21 - 29 hours of use.

• Middle setting: 45C or 113F for 9 - 13 hours of use.

• High setting: 70C or 158F for 4 - 6 hours of use.

• The time of use depends on the charged status of the batteries, the age of the batteries and the outdoor ambient temperature.

• For longer battery time turn your batteries off when inside for break or lunch.

You'll receive;

• Instruction booklet on how to use the batteries and charger.

• 2 SmartPack 1600 Lithium-ion battery packs with clips. Both batteries have integrated heat stage switches.

• Battery specs- weight 3.0 ounces, size- 2" high x 2" wide x 3/4" deep.

• 1 global battery charger that works in North America, UK and Europe. Offers controlled charging with charge time between 2 and 4 hours. The charger has an additional feature that prevents overcharging which allows for longer battery life.

• 2 heating elements with connecting wires.

• 2 TrimFit self-adhesive Cambrelle fabric covers to prevent your socks from catching the heating elements when you slide your foot in or out of your boot.

• 1 remote control. All you need to do is touch the button on the remote control to adjust your heat! It can be stored in a pocket or around your neck and both batteries will adjust at the same time.

• Therm-ic warranties their products for 1 year.

Our comments; The Therm-ic SmartPack 1600 battery boot heater is the longest lasting battery Therm-ic makes. And the remote control is the easiest way to adjust your heat.