{"product_id":"100w-mppt-solar-charge-controller-9v-dc-8-28v-5a-auto-switch","title":"100W MPPT Solar Charge Controller 9V DC 8-28V 5A Auto Switch","description":"\n\u003ch2\u003e100W 9V MPPT Solar Charging Panel Controller – Efficient Automatic Switch\u003c\/h2\u003e\n\u003cp\u003eMaximize the energy harvest from your solar panels with this compact and efficient \u003cstrong\u003eMPPT (Maximum Power Point Tracking) Solar Charge Controller\u003c\/strong\u003e. Designed for 100W solar setups, this controller features an automatic switching mechanism that continuously optimizes the power transfer from your solar panel to your battery — so you get the most out of every hour of sunlight.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPPT Technology:\u003c\/strong\u003e Automatically tracks and locks onto the optimal power point for maximum solar energy conversion efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Range:\u003c\/strong\u003e Compatible with DC input voltages from \u003cstrong\u003e8V to 28V\u003c\/strong\u003e, making it versatile for a variety of solar panel configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5A Output Current:\u003c\/strong\u003e Delivers a steady and reliable 5A charge current for your battery bank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9V Nominal Output:\u003c\/strong\u003e Optimized for 9V solar charging systems — ideal for small off-grid setups, RVs, boats, and remote power applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Switching:\u003c\/strong\u003e Intelligent auto-switch function monitors conditions and adjusts operation seamlessly without manual intervention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Durable Build:\u003c\/strong\u003e Constructed from plastic and metal for a lightweight yet sturdy design that can handle everyday use in demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in Multi-Pack:\u003c\/strong\u003e Choose from 1, 2, or 3 units to meet the needs of your project.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Power:\u003c\/strong\u003e 100W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 9V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage Range:\u003c\/strong\u003e DC 8V – 28V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 5A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.7 × 3.7 × 2.3 cm \/ 2.24 × 1.45 × 0.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic + Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 \/ 2 \/ 3 PCS (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× (or 2× \/ 3×) MPPT Solar Charge Controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLooking for more smart storage and organizational accessories for your setup? Check out our \u003ca href=\"\/products\/adjustable-label-roll-holder-3d-printed-thermal-printer-stand\"\u003eAdjustable Label Roll Holder – 3D Printed Thermal Printer Stand\u003c\/a\u003e or keep your cables tidy with our \u003ca href=\"\/products\/silicone-cable-ties-reusable-cord-organizers-10-pack\"\u003e10-Pack Silicone Cable Ties – Reusable Cord Organizers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct images are for illustration purposes; please refer to the written specifications for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow ±5–10 mm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor settings and lighting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What solar panel setups is this MPPT solar charge controller compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This MPPT solar charge controller is compatible with solar panels that output between DC 8V and 28V, making it suitable for 100W 9V solar panel systems. It works well for small off-grid setups, RVs, boats, garden lighting systems, and other remote or portable solar power applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between MPPT and PWM solar charge controllers?\u003c\/h4\u003e\n\u003cp\u003eA: MPPT (Maximum Power Point Tracking) controllers are significantly more efficient than traditional PWM (Pulse Width Modulation) controllers. MPPT technology continuously tracks the optimal power point of the solar panel and converts excess voltage into additional charge current, typically achieving 20–30% more efficiency — especially in cold or cloudy conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I buy multiple units of this solar charge controller?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This product is available in packs of 1, 2, or 3 units so you can easily expand your solar power system or keep spare controllers on hand for larger installations or backup use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the dimensions of this solar charge controller?\u003c\/h4\u003e\n\u003cp\u003eA: The controller measures approximately 5.7 × 3.7 × 2.3 cm (2.24 × 1.45 × 0.9 inches), making it very compact and easy to integrate into any solar power system enclosure or panel setup.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What solar panel setups is this MPPT solar charge controller compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This MPPT solar charge controller is compatible with solar panels that output between DC 8V and 28V, making it suitable for 100W 9V solar panel systems. It works well for small off-grid setups, RVs, boats, garden lighting systems, and other remote or portable solar power applications.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between MPPT and PWM solar charge controllers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"MPPT (Maximum Power Point Tracking) controllers are significantly more efficient than traditional PWM (Pulse Width Modulation) controllers. MPPT technology continuously tracks the optimal power point of the solar panel and converts excess voltage into additional charge current, typically achieving 20–30% more efficiency — especially in cold or cloudy conditions.\"}}, {\"@type\": \"Question\", \"name\": \"Can I buy multiple units of this solar charge controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This product is available in packs of 1, 2, or 3 units so you can easily expand your solar power system or keep spare controllers on hand for larger installations or backup use.\"}}, {\"@type\": \"Question\", \"name\": \"What are the dimensions of this solar charge controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The controller measures approximately 5.7 × 3.7 × 2.3 cm (2.24 × 1.45 × 0.9 inches), making it very compact and easy to integrate into any solar power system enclosure or panel setup.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"100W MPPT Solar Charge Controller 9V DC 8-28V 5A Auto Switch\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/products\/100w-mppt-solar-charge-controller-9v-dc-8-28v-5a-auto-switch\"}]}\u003c\/script\u003e","brand":"SPOT","offers":[{"title":"3PCS","offer_id":67635353813242,"sku":"14:173#3PCS","price":44.69,"currency_code":"USD","in_stock":true},{"title":"2PCS","offer_id":67635353846010,"sku":"14:193#2PCS","price":30.42,"currency_code":"USD","in_stock":true},{"title":"1PC","offer_id":67635353878778,"sku":"14:771#1PC","price":16.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/1415\/5258\/files\/S187d6044538541a1a6f727d5ff6b8829m.webp?v=1791117425","url":"https:\/\/spotmartusa.com\/products\/100w-mppt-solar-charge-controller-9v-dc-8-28v-5a-auto-switch","provider":"SPOT","version":"1.0","type":"link"}