{"product_id":"12w-18v-solar-panel-300cm-dc5521-cable-12v-battery-charger","title":"12W 18V Solar Panel 300cm DC5521 Cable – 12V Battery Charger","description":"\u003ch2\u003e12W Polycrystalline Solar Panel – Reliable Off-Grid Battery Charging\u003c\/h2\u003e\n\u003cp\u003eKeep your 12V batteries topped up anywhere the sun shines with this compact \u003cstrong\u003e12W 18V polycrystalline solar panel\u003c\/strong\u003e. Designed for outdoor durability, it operates across a wide temperature range of \u003cstrong\u003e-20°C to 60°C\u003c\/strong\u003e, making it a dependable power source for camping, caravans, boats, remote sensors, garden lighting, and more. The included \u003cstrong\u003e3-metre (300cm) DC5521 cable\u003c\/strong\u003e gives you flexible placement freedom so you can position the panel for maximum sun exposure without being tethered to your device.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12W Efficient Output:\u003c\/strong\u003e Polycrystalline silicon cells deliver steady solar energy conversion for consistent 12V–18V battery charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18V Working Voltage:\u003c\/strong\u003e Optimal voltage output ensures stable charging across a variety of conditions and battery types.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300cm DC5521 Cable:\u003c\/strong\u003e A generously long, pre-attached cable for flexible panel placement and plug-and-play connectivity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Performs reliably from -20°C to 60°C — ideal for harsh outdoor and all-season environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e At just 330 × 230mm, this lightweight panel is easy to mount, carry, or store when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort Circuit Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–660mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort Circuit Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e680mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC5521\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300cm (3 metres)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolycrystalline Silicon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePanel Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330 × 230mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 12W Solar Panel (with 300cm DC5521 cable pre-attached)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect Pairing\u003c\/h3\u003e\n\u003cp\u003eLooking for more outdoor and portable power accessories? Check out these popular picks from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/60cm-motorcycle-luggage-strap-elastic-helmet-bungee-net\"\u003e60cm Motorcycle Luggage Strap – Elastic Helmet Bungee Net\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/led-fishing-bite-alarm-bells-2-pack-rod-clip-freshwater-saltwater\"\u003eLED Fishing Bite Alarm Bells with Light – 2 Pack for All Rods\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eActual colour may vary slightly from images due to monitor settings and ambient lighting. Please allow a small tolerance (±1–2mm) for manual measurement of dimensions.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of batteries can this 12W solar panel charge?\u003c\/h4\u003e\n\u003cp\u003eA: This solar panel is designed primarily to charge \u003cstrong\u003e12V batteries\u003c\/strong\u003e, including lead-acid, AGM, and other standard 12V rechargeable batteries commonly used in vehicles, boats, caravans, and off-grid setups. Its 18V working voltage provides the headroom needed to efficiently charge a 12V battery bank.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the 12W solar panel work in cold or very hot weather?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The panel is rated for an \u003cstrong\u003eoperating temperature range of -20°C to 60°C\u003c\/strong\u003e, making it suitable for use in a wide range of outdoor environments — from cold winters to hot summer days — without loss of performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the DC5521 connector mean, and is it compatible with my device?\u003c\/h4\u003e\n\u003cp\u003eA: DC5521 refers to a barrel-style DC connector with a \u003cstrong\u003e5.5mm outer diameter and 2.1mm inner pin\u003c\/strong\u003e — one of the most common DC plug standards used in 12V electronics, battery chargers, and power modules. Check your device's charging port specification to confirm compatibility before purchase.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is a charge controller included with the solar panel?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes \u003cstrong\u003e1× solar panel with the 300cm DC5521 cable\u003c\/strong\u003e only. A separate solar charge controller is recommended when connecting to a battery to regulate charging and protect battery life — especially for extended charging sessions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of batteries can this 12W solar panel charge?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solar panel is designed primarily to charge 12V batteries, including lead-acid, AGM, and other standard 12V rechargeable batteries commonly used in vehicles, boats, caravans, and off-grid setups. Its 18V working voltage provides the headroom needed to efficiently charge a 12V battery bank.\"}}, {\"@type\": \"Question\", \"name\": \"Does the 12W solar panel work in cold or very hot weather?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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