{"product_id":"rechargeable-hand-warmer","title":"Rechargeable Hand Warmer","description":"\u003ch3\u003eHands go numb in hours below freezing. A rechargeable heat pack keeps dexterity up so you can hold tools, weapons, or radio.\u003c\/h3\u003e\n\n\u003ch3\u003eWhen it matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCold shelter operations: pack in sleeping bag near your core to add thermal mass without adding weight. USB cable powers recovery overnight if a charging source is available.\u003c\/li\u003e\n\u003cli\u003eSentinel duty in cold: warming hands between observation rotations maintains alertness and performance. Small weight, no fuel required.\u003c\/li\u003e\n\u003cli\u003eMedical use: hypothermia recovery protocol includes gradual warming of extremities. Warmer provides controlled heat without overdoing it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUSB-rechargeable heating element—heat on demand without chemical reactions or fuel cartridges.\u003c\/li\u003e\n\u003cli\u003eSingle-side or double-side heating options (single warms hands, double warms hand pair).\u003c\/li\u003e\n\u003cli\u003eReusable indefinitely: charge via USB port, press activation button, heat lasts 2–4 hours per charge (typical; exact duration depends on model).\u003c\/li\u003e\n\u003cli\u003ePortable: 115 grams, fits in pocket or sleeping bag.\u003c\/li\u003e\n\u003cli\u003eNon-obvious: battery thermal extension. In cold, this warmer inside a sleeping bag extends the effective insulation rating by 10–15°F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt to last\u003c\/h3\u003e\n\u003cp\u003eRechargeable means you need a power source (solar panel, hand crank, wall outlet). If the heating element fails internally, the entire unit is typically non-repairable. Case may crack if dropped on concrete. Not waterproof—protect from immersion.\u003c\/p\u003e\n\n\u003ch3\u003eWhere it fits your kit\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEDC\/Cold Weather layer.\u003c\/strong\u003e Pairs with Envelope Sleeping Bag (warmer inside bag adds thermal mass) and Camo Field Poncho (poncho blocks wind that cools the warmer effect). Together they layer insulation: poncho blocks wind, bag provides base warmth, warmer adds active heat.\u003c\/p\u003e\n\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating type:\u003c\/strong\u003e USB-rechargeable electric element\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 115 grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Pink, Blue, Green, Beige\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating modes:\u003c\/strong\u003e Single-side or double-side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e USB cable for charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge time:\u003c\/strong\u003e Typical 2–3 hours (varies by charger)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eField notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStore with partial charge in cold climates. A fully depleted battery can freeze; a half-charged battery tolerates cold better.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does a charge last?\u003c\/strong\u003e A: Typically 2–4 hours on high, 6–8 hours on low (varies by model). Check product specs for your variant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this while charging?\u003c\/strong\u003e A: Depends on the model. Some allow simultaneous use and charging; others don't. Test before deployment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What's the temperature benefit in a sleeping bag?\u003c\/strong\u003e A: A warmer inside your bag can add 10–15°F to effective temperature rating. Experiment before field use to find optimal placement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCovered by the optional \u003ca href=\"\/pages\/guarantee\"\u003eWatchtower Guarantee\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stand Fast Supply Co.","offers":[{"title":"Default Title","offer_id":67581857038565,"sku":"CJSJSJCD00265-Green","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/2967\/8565\/files\/c1ab086d-8332-4a37-8624-1eb62c152833.jpg?v=1790578093","url":"https:\/\/watchtowersupply.com\/products\/rechargeable-hand-warmer","provider":"Watchtower Supply Co.","version":"1.0","type":"link"}