Products containing Lithium-ion batteries must ship via a ground service.
Packages containing Lithium-ion batteries cannot be expedited as they are not permitted aboard aircrafts.
"Free shipping" on these items is USPS Ground Advantage, if you require UPS Ground delivery please upgrade your shipping at checkout.
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The Hotronic XLP 1C battery delivers more heat and is more compact than the S4+. With a battery life of up to 12 hours, the XLP 1C is more powerful, lighter in weight, and charges faster. Connect the battery to your insole kit and you are ready to go. You’ll never have to cut a powder day short due to cold toes ever again!
The Hotronic XLP 2C BT battery is the most powerful battery on the market. It utilizes Bluetooth, delivers more heat, and is more compact than the S4+ with a battery life of up to 24 hours! You’ll never have to cut a powder day short due to cold toes ever again. Bluetooth capability boosts the battery's longevity by allowing you to control the heat settings without exposing the batteries to the cold.
