{"product_id":"rockcub-solar-kettle-16-9-fl-oz-portable-solar-water","title":"ROCKCUB Solar Kettle portable solar water heater, 16.90 Fl Oz, vacuum-insulated thermos with Vycor glass, BPA-free","description":"\u003cp\u003e\u003cstrong\u003eThe ROCKCUB Solar Kettle is a 16.9 fl oz portable solar water heater that uses sunlight to heat or boil water without electricity or fuel.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for outdoor enthusiasts and preparedness-minded users, the ROCKCUB Solar Kettle combines a compact vacuum-insulated thermos shell with a high-silica Vycor glass inner chamber that tolerates rapid temperature changes. Place the glass chamber in direct sun and the kettle converts solar energy into usable hot water in under an hour, offering a lightweight, eco-friendly alternative to stoves and electric kettles when you’re off-grid.\u003c\/p\u003e\n\n\u003ch3\u003eHow long does it take to heat water in bright sunlight?\u003c\/h3\u003e\n\u003cp\u003eHeating speed varies with sun intensity, ambient temperature, and starting water temperature. Under strong direct sunlight on a clear day, the closed glass chamber can reach hot temperatures within roughly 30–60 minutes for a full 16.9 fl oz fill.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical time in full sun: 30–60 minutes for nearly boiling.\u003c\/li\u003e\n  \u003cli\u003ePartial sun or cloudy conditions lengthen heating time notably.\u003c\/li\u003e\n  \u003cli\u003eSmaller fills heat faster than a full capacity pour.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and safety features does it use?\u003c\/h3\u003e\n\u003cp\u003eThe unit uses a Vycor glass insert made from about 95% silica, chosen for its resistance to thermal shock and stable performance under temperature swings. The exterior is a lightweight insulated shell and all user-contact components are BPA-free to reduce chemical risk.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVycor glass insert resists cracking from rapid heating.\u003c\/li\u003e\n  \u003cli\u003eBPA-free plastics where you touch or carry the kettle.\u003c\/li\u003e\n  \u003cli\u003eInsulated outer body keeps hot water warm and easier to handle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use the ROCKCUB Solar Kettle for camping, hiking, and emergencies?\u003c\/h3\u003e\n\u003cp\u003eYes — it’s built to be compact and light enough for backpacking and included with survival or bug-out kits. Its ability to produce hot water without fuel makes it useful for basic food prep, hot drinks, and boiling to help sanitary water needs when no power is available.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits in most backpacks and emergency kits thanks to the 16.9 fl oz size.\u003c\/li\u003e\n  \u003cli\u003eNo fuel or electricity needed — only direct sunlight.\u003c\/li\u003e\n  \u003cli\u003eUseful for hot beverages, quick rehydration, and field use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I care for and transport the solar kettle?\u003c\/h3\u003e\n\u003cp\u003eHandle the glass insert carefully and avoid sudden impacts; clean with mild soap and water and dry fully before storing. When transporting, keep the unit secured in a padded compartment or wrapped to reduce risk of impact to the glass core.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean with non-abrasive cloths and mild detergent.\u003c\/li\u003e\n  \u003cli\u003eStore in a padded bag or sleeve to protect the glass interior.\u003c\/li\u003e\n  \u003cli\u003eAvoid leaving the empty glass exposed to direct sunlight without water for extended periods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ROCKCUB Solar Kettle is intended for campers, hikers, van-lifers, and anyone building an emergency kit who needs a lightweight solar solution for heating water. It’s also a fit for eco-conscious users who want to reduce fuel use while still having access to hot water off-grid. This product is a practical tool for field cooking, hot drinks, and situations where traditional heating sources are unavailable; it’s not a medical device or a replacement for certified water treatment systems where required.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the ROCKCUB Solar Kettle need electricity?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — it heats water using only direct sunlight, no electricity or fuel required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the inner glass safe for hot liquids?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the Vycor glass is high-silica and designed to resist thermal shock for safe hot-water use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROCKCUB","offers":[{"title":"Default Title","offer_id":48028232843425,"sku":"B0FCXY4S5J","price":134.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/rockcub-solar-kettle-front-view.jpg?v=1791382958","url":"https:\/\/canadiansporting.ca\/products\/rockcub-solar-kettle-16-9-fl-oz-portable-solar-water","provider":"Canadian Sporting","version":"1.0","type":"link"}