"I bought the reserve battery pack. I don't come out of the woods for lunch and the extra battery keeps my electric socks going all day."

RG, Grand Rapids, MI

Thunderbolt 12 Volt Charger Cable

Charge your battery pack in your vehicle! The portable auto adaptor plugs into a 12 volt cigarette lighter outlet. The adapter is quick and easy to use, and it allows you to charge your battery on the go AND power the socks at the same time.

Thunderbolt 110 Volt AC
Power Supply

Run the socks from a wall outlet indefinitely without a battery pack.

Accessory Pouch

Recommended for carrying a second battery pack in the field. Clips to belt.