{"product_id":"fortress-power-envy-8kw-hybrid-inverter-11-2kwh-eflex-battery-storage-system-2x-5-6kwh-durarack-mini-kit","title":"8kW Solar Kit + 11.2kWh Battery Storage: Fortress Power Envy 8kW Hybrid Inverter + eFlex Lithium Batteries + DuraRack Mini","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/3408\/1340\/files\/Webshop_TRANS_160x160.png?v=1740641472\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e8kW Solar Kit + 11.2kWh Battery Storage: Fortress Power Envy 8kW Hybrid Inverter + eFlex Lithium Batteries + DuraRack Mini\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMPN: \u003c\/strong\u003eEnvy8 \/ eFlex 5.6\/ Durarack Mini\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSave $800 with bundling and free ship. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"ix9wao\" data-start=\"171\" data-end=\"220\"\u003e\u003cstrong data-start=\"173\" data-end=\"220\"\u003e1 × Fortress Power Envy 8kW Hybrid Inverter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"n9evka\" data-start=\"221\" data-end=\"301\"\u003e\n\u003cstrong data-start=\"223\" data-end=\"276\"\u003e2 × Fortress Power eFlex 5.6kWh Lithium Batteries\u003c\/strong\u003e (Total: 11.2kWh Storage)\u003c\/li\u003e\n\u003cli data-section-id=\"1v6ibsi\" data-start=\"302\" data-end=\"362\"\u003e\u003cstrong data-start=\"304\" data-end=\"362\"\u003e1 × Fortress Power DuraRack Mini Battery Enclosure Kit (\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eEnclosure for eFlex 5.4 kWh Batteries)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"4wnilm\" data-start=\"363\" data-end=\"454\"\u003e\u003cstrong data-start=\"365\" data-end=\"454\"\u003eBattery Interconnection Cables \u0026amp; Required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"306\" data-end=\"649\"\u003eGet dependable, high-output backup power and flexible energy storage in one streamlined system. The Fortress Power Envy 8kW paired with two eFlex 5.6kWh lithium batteries delivers a balanced solution for homeowners looking to power essential loads—or expand toward whole-home backup—while maintaining clean installation and future scalability.\u003c\/p\u003e\n\u003cp data-start=\"651\" data-end=\"851\"\u003eDesigned for performance and ease of integration, this system combines strong continuous output with long-lasting LiFePO4 storage, all housed within the DuraRack Mini for a compact, organized install.\u003c\/p\u003e\n\u003cp data-start=\"651\" data-end=\"851\"\u003e\u003cstrong\u003eHow many panels? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDC sizing: \u003c\/strong\u003e1.2× – 1.5× inverter size\u003c\/p\u003e\n\u003cp data-start=\"529\" data-end=\"557\"\u003eApproximately 22–26 panels (450W each)\u003c\/p\u003e\n\u003chr data-start=\"853\" data-end=\"856\"\u003e\n\u003ch2 data-section-id=\"17xbmye\" data-start=\"858\" data-end=\"873\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul data-start=\"875\" data-end=\"1636\"\u003e\n\u003cli data-section-id=\"e06rbz\" data-start=\"875\" data-end=\"988\"\u003e\n\u003cstrong data-start=\"877\" data-end=\"908\"\u003e8kW Continuous Output Power\u003c\/strong\u003e – Run essential loads or support whole-home backup depending on system design\u003c\/li\u003e\n\u003cli data-section-id=\"1gq6ndo\" data-start=\"989\" data-end=\"1086\"\u003e\n\u003cstrong data-start=\"991\" data-end=\"1018\"\u003e11.2kWh Battery Storage\u003c\/strong\u003e – Reliable runtime for outages, peak shaving, and energy shifting\u003c\/li\u003e\n\u003cli data-section-id=\"1gnoj8k\" data-start=\"1087\" data-end=\"1169\"\u003e\n\u003cstrong data-start=\"1089\" data-end=\"1122\"\u003eScalable Battery Architecture\u003c\/strong\u003e – Easily expand storage as energy needs grow\u003c\/li\u003e\n\u003cli data-section-id=\"12wyst4\" data-start=\"1170\" data-end=\"1257\"\u003e\n\u003cstrong data-start=\"1172\" data-end=\"1202\"\u003eIntegrated Hybrid Inverter\u003c\/strong\u003e – Supports grid-tied and battery-backed applications\u003c\/li\u003e\n\u003cli data-section-id=\"1bu2y8m\" data-start=\"1258\" data-end=\"1349\"\u003e\n\u003cstrong data-start=\"1260\" data-end=\"1291\"\u003eClean, Compact Installation\u003c\/strong\u003e – DuraRack Mini keeps batteries organized and protected\u003c\/li\u003e\n\u003cli data-section-id=\"1uvand6\" data-start=\"1350\" data-end=\"1439\"\u003e\n\u003cstrong data-start=\"1352\" data-end=\"1381\"\u003eLiFePO4 Battery Chemistry\u003c\/strong\u003e – Long lifespan, enhanced safety, and thermal stability\u003c\/li\u003e\n\u003cli data-section-id=\"1nizh0x\" data-start=\"1440\" data-end=\"1523\"\u003e\n\u003cstrong data-start=\"1442\" data-end=\"1471\"\u003eOptimized System Matching\u003c\/strong\u003e – Components designed to work seamlessly together\u003c\/li\u003e\n\u003cli data-section-id=\"f351qw\" data-start=\"1524\" data-end=\"1636\"\u003e\n\u003cstrong data-start=\"1526\" data-end=\"1561\"\u003eIdeal for 2026 Energy Landscape\u003c\/strong\u003e – Maximize self-consumption and reduce grid reliance as incentives shift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1939\" data-end=\"1942\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"1944\" data-end=\"1959\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1961\" data-end=\"2194\"\u003e\n\u003cli data-section-id=\"eckqfe\" data-start=\"1961\" data-end=\"2008\"\u003eWhole-home backup (system design dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"gkvy8r\" data-start=\"2009\" data-end=\"2057\"\u003ePartial home backup \/ essential loads panels\u003c\/li\u003e\n\u003cli data-section-id=\"osq384\" data-start=\"2058\" data-end=\"2098\"\u003eGrid-tied solar with battery storage\u003c\/li\u003e\n\u003cli data-section-id=\"10qf5m7\" data-start=\"2099\" data-end=\"2136\"\u003eEnergy arbitrage and peak shaving\u003c\/li\u003e\n\u003cli data-section-id=\"31j9zs\" data-start=\"2137\" data-end=\"2194\"\u003eOff-grid or hybrid system builds (with proper design)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2196\" data-end=\"2199\"\u003e\n\u003ch2 data-section-id=\"1kcrivv\" data-start=\"2201\" data-end=\"2231\"\u003eSystem Performance Overview\u003c\/h2\u003e\n\u003cul data-start=\"2233\" data-end=\"2523\"\u003e\n\u003cli data-section-id=\"1xfecli\" data-start=\"2233\" data-end=\"2288\"\u003e\n\u003cstrong data-start=\"2235\" data-end=\"2252\"\u003ePower Output:\u003c\/strong\u003e 8kW continuous (inverter-limited)\u003c\/li\u003e\n\u003cli data-section-id=\"bcubug\" data-start=\"2289\" data-end=\"2336\"\u003e\n\u003cstrong data-start=\"2291\" data-end=\"2312\"\u003eBattery Capacity:\u003c\/strong\u003e 11.2kWh total storage\u003c\/li\u003e\n\u003cli data-section-id=\"1s0khwm\" data-start=\"2337\" data-end=\"2388\"\u003e\n\u003cstrong data-start=\"2339\" data-end=\"2353\"\u003eChemistry:\u003c\/strong\u003e Lithium Iron Phosphate (LiFePO4)\u003c\/li\u003e\n\u003cli data-section-id=\"1gz00op\" data-start=\"2389\" data-end=\"2441\"\u003e\n\u003cstrong data-start=\"2391\" data-end=\"2407\"\u003eScalability:\u003c\/strong\u003e Expandable battery architecture\u003c\/li\u003e\n\u003cli data-section-id=\"1qyl6wj\" data-start=\"2442\" data-end=\"2523\"\u003e\n\u003cstrong data-start=\"2444\" data-end=\"2466\"\u003eInstallation Type:\u003c\/strong\u003e Indoor \/ protected installations (rack-mounted system)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2525\" data-end=\"2528\"\u003e\n\u003ch2 data-section-id=\"3ipjz4\" data-start=\"2530\" data-end=\"2555\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2557\" data-end=\"3026\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2557\" data-end=\"2586\"\u003e\n\u003ctr data-start=\"2557\" data-end=\"2586\"\u003e\n\u003cth data-start=\"2557\" data-end=\"2569\" data-col-size=\"sm\" class=\"\"\u003eComponent\u003c\/th\u003e\n\u003cth data-start=\"2569\" data-end=\"2586\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2614\" data-end=\"3026\"\u003e\n\u003ctr data-start=\"2614\" data-end=\"2658\"\u003e\n\u003ctd data-start=\"2614\" data-end=\"2631\" data-col-size=\"sm\"\u003eInverter Model\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2631\" data-end=\"2658\"\u003eFortress Power Envy 8kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2659\" data-end=\"2695\"\u003e\n\u003ctd data-start=\"2659\" data-end=\"2679\" data-col-size=\"sm\"\u003eContinuous Output\u003c\/td\u003e\n\u003ctd data-start=\"2679\" data-end=\"2695\" data-col-size=\"sm\"\u003e8,000W (8kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2696\" data-end=\"2736\"\u003e\n\u003ctd data-start=\"2696\" data-end=\"2712\" data-col-size=\"sm\"\u003eBattery Model\u003c\/td\u003e\n\u003ctd data-start=\"2712\" data-end=\"2736\" data-col-size=\"sm\"\u003eFortress Power eFlex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2737\" data-end=\"2774\"\u003e\n\u003ctd data-start=\"2737\" data-end=\"2763\" data-col-size=\"sm\"\u003eBattery Capacity (Each)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2763\" data-end=\"2774\"\u003e5.6 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2775\" data-end=\"2812\"\u003e\n\u003ctd data-start=\"2775\" data-end=\"2800\" data-col-size=\"sm\"\u003eTotal Battery Capacity\u003c\/td\u003e\n\u003ctd data-start=\"2800\" data-end=\"2812\" data-col-size=\"sm\"\u003e11.2 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2813\" data-end=\"2844\"\u003e\n\u003ctd data-start=\"2813\" data-end=\"2833\" data-col-size=\"sm\"\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2833\" data-end=\"2844\"\u003eLiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2845\" data-end=\"2893\"\u003e\n\u003ctd data-start=\"2845\" data-end=\"2869\" data-col-size=\"sm\"\u003eBattery Configuration\u003c\/td\u003e\n\u003ctd data-start=\"2869\" data-end=\"2893\" data-col-size=\"sm\"\u003e2 units (expandable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2894\" data-end=\"2932\"\u003e\n\u003ctd data-start=\"2894\" data-end=\"2906\" data-col-size=\"sm\"\u003eEnclosure\u003c\/td\u003e\n\u003ctd data-start=\"2906\" data-end=\"2932\" data-col-size=\"sm\"\u003eFortress DuraRack Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2933\" data-end=\"2980\"\u003e\n\u003ctd data-start=\"2933\" data-end=\"2949\" data-col-size=\"sm\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd data-start=\"2949\" data-end=\"2980\" data-col-size=\"sm\"\u003eRack-mounted battery system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2981\" data-end=\"3026\"\u003e\n\u003ctd data-start=\"2981\" data-end=\"2999\" data-col-size=\"sm\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2999\" data-end=\"3026\"\u003e48V system architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"3028\" data-end=\"3031\"\u003e\n\u003ch2 data-section-id=\"18qi2zo\" data-start=\"3033\" data-end=\"3054\"\u003eWhy Fortress Power\u003c\/h2\u003e\n\u003cp data-start=\"3056\" data-end=\"3381\"\u003eFortress Power is known for delivering robust, installer-friendly energy storage solutions built for real-world performance. With a focus on reliability, scalability, and strong technical support, Fortress systems are designed to meet the growing demand for home backup and energy independence—without unnecessary complexity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":51372727206186,"sku":"USSSP202-942","price":7058.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/3408\/1340\/files\/Renon_5.12kWh_1.png?v=1775170756","url":"https:\/\/ussolarsupplier.com\/products\/fortress-power-envy-8kw-hybrid-inverter-11-2kwh-eflex-battery-storage-system-2x-5-6kwh-durarack-mini-kit","provider":"US Solar Supplier","version":"1.0","type":"link"}