{"product_id":"ecoflow-delta-pro-ultra-inverter-battery-400w-solar-panel","title":"EcoFlow DELTA Pro Ultra (Inverter + 1 Battery) + 400W Portable Solar Panel","description":"\u003ch2\u003eIs the EcoFlow DELTA Pro Ultra the Professional Solar Charging Solution You've Been Waiting For?\u003c\/h2\u003e\u003cp\u003eYou've invested in quality backup power, but your current solar setup is letting you down. Underpowered panels crawl at 100-200W when you need kilowatts. Heavy, fragile panels turn every deployment into a wrestling match. Mismatched voltage specs leave you guessing if compatibility will work.\u003c\/p\u003e\u003cp\u003eWithout proper solar input, your power station becomes a glorified battery bank that drains faster than it charges. Critical loads go dark while you wait hours for minimal solar recovery. Your backup power investment sits underutilized when you need it most.\u003c\/p\u003e\u003cp\u003eThe EcoFlow DELTA Pro Ultra with 400W solar panel eliminates these frustrations with a professional-grade system engineered for serious power users. This isn't a consumer gadget - it's a 6,144Wh LFP powerhouse with 7.2kW continuous output and up to 5.6kW solar input capacity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive 5.6kW solar input capacity\u003c\/strong\u003e - Accept up to 14 panels per inverter for rapid daytime charging that outpaces your consumption\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial LFP chemistry with 3,500 cycle lifespan\u003c\/strong\u003e - Outlasts cheap lithium alternatives by years, not months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue whole-home capability with 7.2kW continuous output\u003c\/strong\u003e - Run central HVAC, well pumps, and EV chargers simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP54-rated weatherproof construction\u003c\/strong\u003e - Deploy outdoors without babysitting fragile equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-20ms UPS switching\u003c\/strong\u003e - Seamless backup that keeps sensitive electronics running\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed compatibility\u003c\/strong\u003e - EcoFlow's 400W panel matches perfectly with optimized charge controllers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDELTA Pro Ultra Features \u0026amp; Performance\u003c\/h2\u003e\u003ch3\u003eBattery \u0026amp; Inverter Specifications\u003c\/h3\u003e\u003cp\u003eThe 6,144Wh LFP battery module delivers 102.4V at 60A with proven 3,500-cycle longevity. Unlike consumer units with mystery cells, this uses industrial-grade lithium iron phosphate chemistry that maintains 80% capacity after years of daily cycling. The 7.2kW pure sine wave inverter handles surge loads up to 10.8kW - enough for motor startups and inductive loads that kill smaller units.\u003c\/p\u003e\u003ch3\u003eSolar Charging Architecture\u003c\/h3\u003e\u003cp\u003eDual solar inputs accept up to 4,000W on the high-voltage string plus 1,600W on the low-voltage input. Total 5.6kW solar capacity means you can charge from empty to full in just over an hour under optimal conditions. The included 400W monocrystalline panel provides 41V maximum power point voltage with MC4 connectors for instant compatibility.\u003c\/p\u003e\u003ch3\u003eProfessional Installation Ready\u003c\/h3\u003e\u003cp\u003eIP54 weatherproof rating allows protected outdoor installation. Inverter dimensions of 690 × 481 × 214mm and battery at 660 × 455 × 204mm fit standard electrical enclosures. Compatible with EcoFlow Smart Home Panels for circuit-level load management and automatic transfer switching.\u003c\/p\u003e\u003cp\u003eSee full specifications below for complete technical details and compatibility information.\u003c\/p\u003e\u003ch2\u003eIdeal Use Cases for the EcoFlow DELTA Pro Ultra System\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole-Home Backup Power\u003c\/strong\u003e - Seamlessly power essential circuits during extended outages with days of runtime and rapid solar recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid Construction Sites\u003c\/strong\u003e - Run power tools, lighting, and equipment without generator noise or fuel logistics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV and Overlanding\u003c\/strong\u003e - Silent, emissions-free power for extended off-grid adventures with fast solar charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Response\u003c\/strong\u003e - Reliable backup for medical equipment, communications, and critical infrastructure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar System Expansion\u003c\/strong\u003e - Add to existing EcoFlow ecosystem or start a scalable multi-battery installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure if this matches your power requirements? Check our FAQs below or contact our power specialists for personalized sizing guidance.\u003c\/p\u003e\u003ch2\u003eWhy Choose the DELTA Pro Ultra over Traditional Backup Solutions\u003c\/h2\u003e\u003cp\u003eUnlike gas generators that require fuel, maintenance, and produce emissions, the DELTA Pro Ultra provides silent, automatic backup power with zero ongoing costs. Consumer-grade power stations max out around 2,000W and drain quickly under real loads. This professional system delivers 3.6x more continuous power with expandable capacity up to tens of kilowatt-hours.\u003c\/p\u003e\u003cp\u003eEcoFlow has shipped over 3 million portable power units worldwide with proven reliability in demanding applications. The LFP chemistry provides 10x more charge cycles than standard lithium-ion, making this a long-term investment rather than a disposable gadget. Industrial IP54 rating means it works in conditions that would destroy consumer electronics.\u003c\/p\u003e\u003ch2\u003eDELTA Pro Ultra Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEcoFlow DELTA Pro Ultra (Inverter + 1 Battery) + 400W Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6,144Wh (102.4V, 60Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium Iron Phosphate (LFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,500 cycles to 80% SOH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7,200W continuous, 10,800W surge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Output Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePure sine wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSolar Input (Total)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5,600W (High PV 4,000W + Low PV 1,600W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Solar Panels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 14 × 400W panels per inverter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPS Switching Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 20ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInverter Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e690 × 481 × 214 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e660 × 455 × 204 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeather Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP54 (protected outdoor installation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSolar Panel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400W rigid monocrystalline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePanel Voltage (Vmp)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 41V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePanel Connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMC4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEcoFlow DELTA Pro Ultra Inverter\u003c\/li\u003e\n\u003cli\u003eEcoFlow DELTA Pro Ultra Battery Module (6,144Wh)\u003c\/li\u003e\n\u003cli\u003eEcoFlow 400W Rigid Monocrystalline Solar Panel\u003c\/li\u003e\n\u003cli\u003eMC4 Solar Cables\u003c\/li\u003e\n\u003cli\u003eInstallation Hardware\u003c\/li\u003e\n\u003cli\u003eUser Manual and Warranty Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow long will the DELTA Pro Ultra power my home during an outage?\u003c\/h3\u003e\u003cp\u003eRuntime depends on your load, but the 6,144Wh capacity typically powers essential circuits (refrigerator, lights, communications, medical devices) for 12-24 hours. Heavy loads like HVAC or electric water heaters will reduce runtime, while efficient LED lighting and electronics can extend it significantly. The 400W solar panel provides continuous charging during daylight hours.\u003c\/p\u003e\u003ch3\u003eIs the DELTA Pro Ultra worth the investment compared to a gas generator?\u003c\/h3\u003e\u003cp\u003eThe LFP battery provides 3,500 charge cycles, equivalent to nearly 10 years of daily use. Unlike gas generators requiring fuel, oil changes, and regular maintenance, this system has virtually zero operating costs after purchase. Silent operation, instant startup, and indoor safety make it superior for residential backup applications.\u003c\/p\u003e\u003ch3\u003eCan I expand the system later if I need more capacity?\u003c\/h3\u003e\u003cp\u003eYes, the DELTA Pro Ultra is designed for expansion. You can add additional battery modules to increase capacity or connect multiple inverters for higher power output. The solar input supports up to 14 panels per inverter, so you can scale solar charging as your system grows.\u003c\/p\u003e\u003ch3\u003eHow does the 400W solar panel perform in partial shade or cloudy conditions?\u003c\/h3\u003e\u003cp\u003eThe monocrystalline panel maintains efficiency better than polycrystalline alternatives in low-light conditions. While peak output requires direct sunlight, you'll still see meaningful charging in partial shade or overcast skies. The MPPT charge controller optimizes power harvest across varying conditions throughout the day.\u003c\/p\u003e\u003ch2\u003eWarranty \u0026amp; Authorized Dealer\u003c\/h2\u003e\u003cp\u003eThe EcoFlow DELTA Pro Ultra includes comprehensive manufacturer warranty coverage on both the inverter and battery components. EcoFlow's proven track record with millions of units deployed worldwide backs your investment with reliable support and parts availability.\u003c\/p\u003e\u003cp\u003eOrder from Mighty Generators, an authorized EcoFlow dealer, for full warranty coverage, expert technical support, and fast shipping. Our power specialists ensure you receive genuine equipment with complete documentation and support resources.\u003c\/p\u003e\u003cp\u003eQuestions about sizing, installation, or compatibility? Our power specialists are here to help before and after your purchase. Contact us for personalized guidance on building the perfect backup power solution for your needs.\u003c\/p\u003e","brand":"EcoFlow","offers":[{"title":"Default Title","offer_id":51686324109586,"sku":"EFDPU-BP-400w-US","price":4599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/3885\/9282\/files\/EcoFlowDELTAProUltraFront_d46a0fc5-d136-4c91-96ba-b3a4fe4a8950.jpg?v=1772854878","url":"https:\/\/mightygenerators.com\/products\/ecoflow-delta-pro-ultra-inverter-battery-400w-solar-panel","provider":"Mighty Generators","version":"1.0","type":"link"}