{"product_id":"batteries-for-heated-socks-s-pack-4000b","title":"Batteries for heated socks - S-Pack 4000B","description":"\u003cp\u003e\r\n  The S-Pack 4000B battery pack provides up to 23 hours of heating time for compatible Therm-ic and SIDAS heated socks, with Bluetooth control through the new Therm-ic app.\r\n\u003c\/p\u003e\r\n\u003cp\u003e\r\n  With up to 23 hours of heat, the S-Pack 4000B offers the \u003cstrong\u003elongest battery life in the current S-Pack range\u003c\/strong\u003e. It features \u003cstrong\u003ethree heat levels\u003c\/strong\u003e, allowing you to adjust the heat to suit your needs.\r\n\u003c\/p\u003e\r\n\u003cp\u003e\r\n  The batteries feature a durable \u003cstrong\u003esplash- and dust-resistant design\u003c\/strong\u003e, while the snap fastenings ensure a secure connection to compatible Therm-ic heated socks. The \u003cstrong\u003eUSB-C charging system\u003c\/strong\u003e allows for quick and convenient charging, and the included charger allows both batteries to be charged at the same time.\r\n\u003c\/p\u003e\r\n\r\n\u003ch4\u003e\r\n  What's Included\r\n\u003c\/h4\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\r\n    2 × S-Pack 4000B rechargeable batteries\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    1 × USB-C charger for simultaneous charging\r\n  \u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch4\u003e\r\n  Heating Duration\r\n\u003c\/h4\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\r\n    Level 1: up to 23 hours\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Level 2: up to 10 hours\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Level 3: up to 7 hours\r\n  \u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\r\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0611\/7838\/0333\/files\/web-s-pack-4000b-autonomie.jpg?v=1784210152\" alt=\"S-Pack 4000B battery heating duration chart\"\u003e\r\n\u003c\/p\u003e\r\n\r\n\u003ch4\u003e\r\n  Key Features\r\n\u003c\/h4\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\r\n    Bluetooth control through the new Therm-ic app\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Three heat levels\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Up to 23 hours of heating time\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Longest battery life in the current S-Pack range\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Splash- and dust-resistant construction\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Secure snap connection to compatible heated socks\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    USB-C charging\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Charges both batteries simultaneously\r\n  \u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch4\u003e\r\n  Therm-ic App Compatibility\r\n\u003c\/h4\u003e\r\n\u003cp\u003e\r\n  The \u003cstrong\u003eS-Pack 4000B\u003c\/strong\u003e is compatible with the new \u003cstrong\u003eTherm-ic app\u003c\/strong\u003e.\r\n\u003c\/p\u003e\r\n\u003cp\u003e\r\n  For the 2026\/27 season, the new Therm-ic app is compatible only with the \u003cstrong\u003eS-Pack 3000B and S-Pack 4000B\u003c\/strong\u003e.\r\n\u003c\/p\u003e\r\n\u003cp\u003e\r\n  Previous-generation Bluetooth batteries, including \u003cstrong\u003eall C-Pack models\u003c\/strong\u003e, continue to use the \u003cstrong\u003eTherm-ic HC app\u003c\/strong\u003e.\r\n\u003c\/p\u003e\r\n\r\n\u003ch3\u003e\r\n  Compatible Heated Socks\r\n\u003c\/h3\u003e\r\n\u003cp\u003e\r\n  The S-Pack 4000B is designed for use with Therm-ic and SIDAS heated socks featuring \u003cstrong\u003eS.E.T.® or Fusion technology\u003c\/strong\u003e.\r\n\u003c\/p\u003e\r\n\u003cp\u003e\r\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e The new \u003cstrong\u003eUltra Warm Sensor S.E.T®\u003c\/strong\u003e is only compatible with the \u003cstrong\u003eS-Pack 3000B and S-Pack 4000B\u003c\/strong\u003e.\r\n\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.therm-ic.us\/search?q=Powersocks+Heat+Men\u0026amp;options%5Bprefix%5D=last\"\u003eTherm-ic Powersocks Heat Men\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.therm-ic.us\/products\/heated-ski-socks-powersocks-heat-fusion-women?_pos=8\u0026amp;_sid=150d0050c\u0026amp;_ss=r\"\u003eTherm-ic Powersocks Heat Ladies\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.therm-ic.us\/search?q=powesocks+heaat+fusion\u0026amp;options%5Bprefix%5D=last\"\u003eTherm-ic Powersocks Heat Fusion\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    Therm-ic Powersocks Heat Fusion One\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.therm-ic.us\/search?q=comfort+s.e.t+socks\u0026amp;options%5Bprefix%5D=last\"\u003eUltra Warm Comfort S.E.T®\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.therm-ic.us\/search?q=performance+s.e.t+socks\u0026amp;options%5Bprefix%5D=last\"\u003eUltra Warm Performance S.E.T®\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003cstrong\u003eUltra Warm Sensor S.E.T® — S-Pack 3000B and 4000B only\u003c\/strong\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.sidas.us\/products\/heated-ski-socks-ski-race-s-e-t?_pos=2\u0026amp;_psq=race\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSIDAS Ski Race S.E.T®\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.sidas.us\/products\/ski-socks-ski-heat-lv?_pos=1\u0026amp;_psq=lv\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSIDAS Ski Heat LV\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n  \u003cli\u003e\r\n    \u003ca href=\"https:\/\/www.sidas.us\/products\/heated-ski-socks-ski-heat-mv?_pos=1\u0026amp;_psq=mv\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSIDAS Ski Heat MV\u003c\/a\u003e\r\n  \u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Thermic","offers":[{"title":"Default Title","offer_id":52168022032613,"sku":"T41-0102-700","price":349.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8486\/3973\/files\/web-s-pack-4000b_39004e69-4db5-40a6-af27-4765815fece3.jpg?v=1787949470","url":"https:\/\/www.therm-ic.us\/products\/batteries-for-heated-socks-s-pack-4000b","provider":"Thermic-US","version":"1.0","type":"link"}