{"product_id":"10-8kwh-battery-solar-kit-2-fortress-eflex-max-durarack-mini-battery-solar-bundle","title":"10.8kWh Battery Solar Kit - (2) Fortress eFlex Max + DuraRack Mini Battery Solar Bundle","description":"\u003ch2\u003e\u003cstrong\u003e10.8kWh Battery Solar Kit – (2) Fortress eFlex Max 5.4 kWh + DuraRack Mini Battery Solar Bundle\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Fortress Power 10.8kWh Battery Solar Bundle combines two Fortress eFlex MAX 5.4kWh lithium batteries with the Fortress DuraRack Mini enclosure to deliver a compact, scalable, and reliable energy storage solution for residential backup power and solar energy systems.\u003c\/p\u003e\n\u003cp\u003eDesigned for indoor and outdoor installation, this bundle provides integrated busbars, expandable storage capability, and lightweight installation flexibility. The included DuraRack Mini enclosure securely houses up to two eFlex batteries while optimizing space efficiency and simplifying installation. \u003c\/p\u003e\n\u003cp\u003eThe eFlex MAX lithium batteries utilize Tier 1 automotive-grade lithium iron phosphate (LiFePO4) cells with 8,000+ cycle life, offering dependable long-term performance for solar storage, backup power, peak shaving, and off-grid applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e10.8kWh Lithium Energy Storage\u003c\/strong\u003e\u003cbr\u003eIncludes two Fortress eFlex MAX 5.4kWh lithium batteries for reliable whole-home energy storage. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLiFePO4 Battery Chemistry\u003c\/strong\u003e\u003cbr\u003eTier 1 automotive-grade lithium iron phosphate cells provide enhanced safety, thermal stability, and long cycle life. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e8,000+ Cycle Life\u003c\/strong\u003e\u003cbr\u003eEngineered for long-term energy storage reliability and reduced lifetime operating costs. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDuraRack Mini Enclosure Included\u003c\/strong\u003e\u003cbr\u003eCompact indoor\/outdoor enclosure designed specifically for stacking up to two Fortress eFlex batteries. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Busbars\u003c\/strong\u003e\u003cbr\u003eBuilt-in busbars simplify battery stacking and system wiring for faster installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndoor \u0026amp; Outdoor Installation\u003c\/strong\u003e\u003cbr\u003eIP65\/IP66-rated enclosure and battery platform support flexible installation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExpandable System Architecture\u003c\/strong\u003e\u003cbr\u003eSupports scalable energy storage expansion for growing power demands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWall-Mounted or Floor-Standing Design\u003c\/strong\u003e\u003cbr\u003eDuraRack Mini can be installed as a floor-standing or wall-mounted battery enclosure. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSide Handles for Easy Installation\u003c\/strong\u003e\u003cbr\u003eInstaller-friendly enclosure design improves handling and placement during setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBest Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResidential Solar Storage\u003c\/strong\u003e\u003cbr\u003eStores excess solar production for nighttime or backup power use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhole-Home Backup Power\u003c\/strong\u003e\u003cbr\u003eProvides reliable emergency energy storage during utility outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOff-Grid Energy Systems\u003c\/strong\u003e\u003cbr\u003eSupports independent renewable energy systems with scalable battery storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePeak Shaving \u0026amp; Time-of-Use Management\u003c\/strong\u003e\u003cbr\u003eHelps reduce utility costs by storing and discharging energy strategically.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpace-Optimized Battery Installations\u003c\/strong\u003e\u003cbr\u003eCompact DuraRack Mini enclosure is ideal for garages, utility rooms, and tight installation areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Warranty:\u003c\/strong\u003e 10-Year Limited Manufacturer Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraRack Mini Warranty:\u003c\/strong\u003e 10 Years Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBundle Includes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e(2) Fortress Power eFlex MAX 5.4kWh Lithium Batteries\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e(1) Fortress Power DuraRack Mini Enclosure\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Busbars \u0026amp; Battery Connections\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eFortress Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBundle Configuration\u003c\/td\u003e\n\u003ctd\u003e(2) eFlex MAX Batteries + DuraRack Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Storage Capacity\u003c\/td\u003e\n\u003ctd\u003e10.8kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eLithium Iron Phosphate (LiFePO4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Cell Type\u003c\/td\u003e\n\u003ctd\u003eTier 1 Automotive Prismatic Cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle Life\u003c\/td\u003e\n\u003ctd\u003e8,000+ Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Battery Voltage\u003c\/td\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Voltage Range\u003c\/td\u003e\n\u003ctd\u003e40 – 60V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Charging \/ Discharging Rate\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eDuraRack Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Material\u003c\/td\u003e\n\u003ctd\u003eCarbon Steel (SGCC Galvanized Sheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eeFlex MAX Batterie Dimensions \u003c\/td\u003e\n\u003ctd\u003e29.2in x 83.78in x 17.8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eeFlex MAX Batterie Weight \u003c\/td\u003e\n\u003ctd\u003e 265 lbs \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eIndoor \/ Outdoor, Wall Mount or Floor Standing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuraRack Mini Dimensions\u003c\/td\u003e\n\u003ctd\u003e22 × 16.5 × 27.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuraRack Mini Weight\u003c\/td\u003e\n\u003ctd\u003e30 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnockout Size\u003c\/td\u003e\n\u003ctd\u003e1.15 in \u0026amp; 2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Cable Size to Inverter\u003c\/td\u003e\n\u003ctd\u003e3\/0 – 4\/0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Dissipation Method\u003c\/td\u003e\n\u003ctd\u003eAir Convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eCAN, Modbus, RS485, WiFi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL1741, UL1973, UL9540, UL9540A, CEC, SGIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout Fortress Power:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFortress Power is a leading manufacturer of advanced lithium energy storage systems designed for residential, commercial, and backup power applications. Their products are engineered for long-term performance, safety, scalability, and installer-friendly integration across modern renewable energy systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCompact and Scalable Energy Storage Solution\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Fortress Power 10.8kWh Battery Solar Bundle combines reliable LiFePO4 battery technology with the space-saving DuraRack Mini enclosure to deliver flexible, expandable, and installer-friendly energy storage for modern solar and backup power systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy From US Solar Supplier\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUS Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.\u003c\/p\u003e\n\u003cp\u003eOur inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eNeed Assistance?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHave questions before you order? Call \u003cstrong\u003e1-800-230-7004\u003c\/strong\u003e to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.\u003c\/p\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":51542837821738,"sku":"USSSP202-997","price":3038.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/3408\/1340\/files\/DuraRack_Mini_eFlex.png?v=1778868794","url":"https:\/\/ussolarsupplier.com\/products\/10-8kwh-battery-solar-kit-2-fortress-eflex-max-durarack-mini-battery-solar-bundle","provider":"US Solar Supplier","version":"1.0","type":"link"}