{"product_id":"windynation-watt-solar-panel-kit-with-lcd-charge-controller-new-sok-300wp-p30l-300","title":"WindyNation  Watt Solar Panel Kit With LCD Charge Controller New - SOK-300WP-P30L 300","description":"\u003cdiv class=\"pdp__description__left\"\u003e\n\u003ch2\u003e\u003cspan\u003eWindyNation  Watt Solar Panel Kit With LCD Charge Controller New - SOK-300WP-P30L 300\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWindyNation takes the trouble and confusion out of adding a solar panel system to a battery bank with our 100% Complete Off-Grid Solar Kits! Great auxiliary power for RV’s and boats. Popular with commercial RV and marine retrofitters.  Power devices in remote back country locations, excellent for use when camping or for remote cabins. An easy way to provide power for sheds, light poles and gates without the need for trenching and laying cables. Two or more panels can provide back-up power for critical appliances like a refrigerator during a power outage. This kit will produce an average of 1200 Watt Hours (Wh) or 101 Amp Hours (Ah) of charge per day (depends on sunlight availability).\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"fcol\"\u003e\n\u003ch5\u003e\u003cspan\u003eWhat our Experts Think   \u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHigh-Capacity Off-Grid Power Kit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The WindyNation 400W Solar Panel Kit with 400Ah AGM battery is designed for serious off-grid energy storage and longer runtime for essential appliances.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLarge Battery Storage Advantage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The included \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400Ah AGM battery bank\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides substantial energy reserve, making it suitable for overnight use and cloudy-day backup.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eReliable 12V System Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built for RVs, cabins, marine use, and remote setups, delivering stable DC power for lighting, electronics, and small appliances.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eExpandable Solar Input (400W Panels):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Captures strong daily solar generation potential, helping maintain battery charge across extended use periods.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Off-Grid Bundle:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Typically includes panels, charge controller, wiring, and battery integration components for a ready-to-install system.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaintenance-Free AGM Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sealed batteries require no watering and offer stable, durable performance in varied environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan\u003e                 \u003cbr\u003eQ\u0026amp;A   \u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:bd760385-e51d-42cf-86d0-0192a6c74397-9\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:bd760385-e51d-42cf-86d0-0192a6c74397-9\" data-turn-id-container=\"request-WEB:bd760385-e51d-42cf-86d0-0192a6c74397-9\" data-testid=\"conversation-turn-20\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"f96a684b-1169-4cd4-b183-7343ac39c5ec\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"210\"\u003e\u003cstrong data-start=\"0\" data-end=\"70\"\u003eQ: What is the WindyNation SOK-400WP-P30L-400B Solar Kit used for?\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eA: It is a complete off-grid solar power system designed to generate and store electricity for RVs, cabins, boats, and backup home power.\u003c\/p\u003e\n\u003cp data-start=\"212\" data-end=\"378\"\u003e\u003cstrong data-start=\"212\" data-end=\"256\"\u003eQ: What does the 400W solar kit include?\u003c\/strong\u003e\u003cbr data-start=\"256\" data-end=\"259\"\u003eA: It includes 400 watts of solar panels, a charge controller, wiring, mounting hardware, and a 400Ah AGM battery bank.\u003c\/p\u003e\n\u003cp data-start=\"380\" data-end=\"569\"\u003e\u003cstrong data-start=\"380\" data-end=\"426\"\u003eQ: What is the 400Ah AGM battery used for?\u003c\/strong\u003e\u003cbr data-start=\"426\" data-end=\"429\"\u003eA: The WindyNation 400Ah AGM Deep Cycle Battery stores solar energy for use when sunlight is unavailable, providing reliable off-grid power.\u003c\/p\u003e\n\u003cp data-start=\"571\" data-end=\"723\"\u003e\u003cstrong data-start=\"571\" data-end=\"611\"\u003eQ: What type of battery is included?\u003c\/strong\u003e\u003cbr data-start=\"611\" data-end=\"614\"\u003eA: It uses AGM (Absorbent Glass Mat) deep-cycle batteries designed for safe, maintenance-free energy storage.\u003c\/p\u003e\n\u003cp data-start=\"725\" data-end=\"868\"\u003e\u003cstrong data-start=\"725\" data-end=\"773\"\u003eQ: How much power does this system generate?\u003c\/strong\u003e\u003cbr data-start=\"773\" data-end=\"776\"\u003eA: It produces up to 400 watts of solar charging capacity under optimal sunlight conditions.\u003c\/p\u003e\n\u003cp data-start=\"870\" data-end=\"1022\"\u003e\u003cstrong data-start=\"870\" data-end=\"904\"\u003eQ: What can this system power?\u003c\/strong\u003e\u003cbr data-start=\"904\" data-end=\"907\"\u003eA: It can run lights, small appliances, electronics, and basic off-grid loads depending on inverter size and usage.\u003c\/p\u003e\n\u003cp data-start=\"1024\" data-end=\"1171\"\u003e\u003cstrong data-start=\"1024\" data-end=\"1068\"\u003eQ: Is this suitable for off-grid living?\u003c\/strong\u003e\u003cbr data-start=\"1068\" data-end=\"1071\"\u003eA: Yes, it is designed for small to medium off-grid setups, RVs, cabins, and emergency backup power.\u003c\/p\u003e\n\u003cp data-start=\"1173\" data-end=\"1296\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1173\" data-end=\"1208\"\u003eQ: Does it require maintenance?\u003c\/strong\u003e\u003cbr data-start=\"1208\" data-end=\"1211\"\u003eA: Minimal maintenance is needed since AGM batteries are sealed and maintenance-free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003e\u003cspan\u003eMaintenance Tips    \u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"5wj3ux\" data-start=\"95\" data-end=\"208\"\u003eClean solar panels regularly with water and a soft cloth to remove dust, dirt, and debris for maximum output.\u003c\/li\u003e\n\u003cli data-section-id=\"hffcy8\" data-start=\"209\" data-end=\"294\"\u003eInspect panels for cracks, loose mounts, or corrosion after storms or high winds.\u003c\/li\u003e\n\u003cli data-section-id=\"kcke8u\" data-start=\"295\" data-end=\"382\"\u003eKeep MC4 connectors and wiring tight, dry, and free from corrosion or sand buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"ovcvs8\" data-start=\"383\" data-end=\"470\"\u003eEnsure panels are not shaded during peak sun hours to maintain charging efficiency.\u003c\/li\u003e\n\u003cli data-section-id=\"5pg00y\" data-start=\"471\" data-end=\"559\"\u003eMonitor charge controller settings to ensure proper AGM charging profile is enabled.\u003c\/li\u003e\n\u003cli data-section-id=\"c8a6jl\" data-start=\"560\" data-end=\"666\"\u003eCheck battery voltage regularly; avoid deep discharge below recommended levels to extend AGM lifespan.\u003c\/li\u003e\n\u003cli data-section-id=\"4zy5r0\" data-start=\"667\" data-end=\"766\"\u003eKeep AGM batteries in a cool, ventilated, and dry location to prevent overheating and swelling.\u003c\/li\u003e\n\u003cli data-section-id=\"1j2558t\" data-start=\"767\" data-end=\"874\"\u003eInspect battery terminals monthly; clean and tighten connections to prevent power loss or heat buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"ctt55o\" data-start=\"875\" data-end=\"957\"\u003eDo not overcharge batteries—ensure charge controller is functioning correctly.\u003c\/li\u003e\n\u003cli data-section-id=\"42131v\" data-start=\"958\" data-end=\"1046\"\u003eSecure all mounting hardware to withstand vibration, wind, and environmental stress.\u003c\/li\u003e\n\u003cli data-section-id=\"mjszj9\" data-start=\"1047\" data-end=\"1128\"\u003eKeep inverter and controller ventilation areas clear of dust and obstruction.\u003c\/li\u003e\n\u003cli data-section-id=\"85an8h\" data-start=\"1129\" data-end=\"1232\"\u003eAvoid placing heavy loads continuously near system limits; balance usage to protect battery health.\u003c\/li\u003e\n\u003cli data-section-id=\"1t9cu1p\" data-start=\"1233\" data-end=\"1335\"\u003ePerform periodic full system checks (voltage, charging rate, load output) for optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"fbox\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"WindyNation","offers":[{"title":"Default Title","offer_id":45673505423551,"sku":"SOK-300WP-P30L 300","price":388.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/backyardprovider.com\/products\/windynation-watt-solar-panel-kit-with-lcd-charge-controller-new-sok-300wp-p30l-300","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}