HOTRONIC BATTERY PACK XLP 1CCompact and powerful, the HOTRONIC XLP 1P BT Lithium Ion battery delivers up to 10 hours of consistent warmth exactly when you need it most. Controlled via Bluetooth, you can easily adjust six heat settings plus a Power Boost level from any iOS or Android smartphone. Tailor your comfort throughout the dayeven take advantage of a sleep mode for times when youre on the move or resting at the lodge. If you want all day heat but dont require the extended