{"product_id":"fortress-power-flextower-without-inverter-4-eflex-units-ip-65-outdoor-rated-inverter-enclosure-with-built-in-active-cooling-fan-durarack-with-4-eflex-units-inverter-is-not-included","title":"Fortress Power FlexTower Without Inverter - 4 eFlex Units, IP65 Outdoor Rated Inverter Enclosure with Built-in Active Cooling Fan; Durarack with 4 eFlex Units, Inverter Not Included","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"flex-1 overflow-hidden\"\u003e\n\u003cdiv class=\"react-scroll-to-bottom--css-msxzp-79elbk h-full dark:bg-gray-800\"\u003e\n\u003cdiv class=\"react-scroll-to-bottom--css-msxzp-1n7m0yu\"\u003e\n\u003cdiv class=\"flex flex-col items-center text-sm h-full dark:bg-gray-800\"\u003e\n\u003cdiv class=\"w-full border-b border-black\/10 dark:border-gray-900\/50 text-gray-800 dark:text-gray-100 group bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"text-base gap-4 md:gap-6 m-auto md:max-w-2xl lg:max-w-2xl xl:max-w-3xl p-4 md:py-6 flex lg:px-0\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] md:flex-col lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"flex-1 overflow-hidden\"\u003e\n\u003cdiv class=\"react-scroll-to-bottom--css-msxzp-79elbk h-full dark:bg-gray-800\"\u003e\n\u003cdiv class=\"react-scroll-to-bottom--css-msxzp-1n7m0yu\"\u003e\n\u003cdiv class=\"flex flex-col items-center text-sm h-full dark:bg-gray-800\"\u003e\n\u003cdiv class=\"w-full border-b border-black\/10 dark:border-gray-900\/50 text-gray-800 dark:text-gray-100 group bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"text-base gap-4 md:gap-6 m-auto md:max-w-2xl lg:max-w-2xl xl:max-w-3xl p-4 md:py-6 flex lg:px-0\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] md:flex-col lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003ch2\u003eFortress Power FlexTower Without Inverter - 4 eFlex Units, IP65 Outdoor Rated Inverter Enclosure with Built-in Active Cooling Fan; Durarack with 4 eFlex Units, Inverter Not Included\u003c\/h2\u003e\n\u003cp\u003eIntroducing the Fortress Power FlexTower Without Inverter - the ultimate energy storage solution for your home or business. The FlexTower is an IP65 rated outdoor rated inverter enclosure with built-in active cooling fan, designed to hold up to 4 eFlex batteries, providing you with a total capacity of 21.6kWh. This high-performance energy storage system is designed to provide reliable and sustainable power backup for extended periods, even in harsh outdoor environments.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eIP65 rated outdoor rated inverter enclosure with built-in active cooling fan\u003c\/li\u003e\n\u003cli\u003eHolds up to 4 eFlex batteries, providing a total capacity of 21.6kWh\u003c\/li\u003e\n\u003cli\u003eLithium iron phosphate (LFP) technology for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eAdvanced battery management system for optimal performance and safety\u003c\/li\u003e\n\u003cli\u003eEasy to install and maintain\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of solar inverters\u003c\/li\u003e\n\u003cli\u003eDesigned to withstand harsh environments and extreme temperatures\u003c\/li\u003e\n\u003cli\u003eUL9540 and UN38.3 safety certifications\u003c\/li\u003e\n\u003cli\u003e10-year warranty for added peace of mind.\u003c\/li\u003e\n\u003cli\u003eComes with 4 eFlex units included\u003c\/li\u003e\n\u003cli\u003eInverter is not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith the Fortress Power FlexTower Without Inverter, you can rest easy knowing that your energy needs are fully covered, even during power outages. This powerful and durable energy storage system is the perfect addition to any solar panel system, providing you with reliable and sustainable energy storage for years to come. The FlexTower is an ideal choice for those who already have an inverter and looking for an outdoor rated energy storage solution with built-in active cooling fan. It's also great for those who have larger energy storage needs and want a more powerful and efficient energy storage solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\u003c!--\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-7ulv{color:#1F2124;text-align:left;vertical-align:middle}\n.tg .tg-jgim{color:#1F2124;font-weight:bold;text-align:left;vertical-align:middle}\n--\u003e\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-jgim\"\u003eEnclosure Material\u003c\/th\u003e\n\u003cth class=\"tg-7ulv\"\u003eCarbon Steel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003eIP65 water and dust proven (outdoor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eEnclosure Color\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eDimensions [W x H x D]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e29.29 x 41.34 x 18.03 in (744 x 1050 x 458 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eEnclosure Weight\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e59.6 kg \/ 153.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eMaximum Battery Units\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e4 eFlex 5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eStorage Capacity Range\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e5.4kWh - 21.6 kWh per unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eMax. Storage Capacity\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e81 kWh (4 unites in parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eKnockout Size\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e1inch \u0026amp; 2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003ePositive and Negative Battery Busbars\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e2 x 4 points; M8 (5\/16) Terminal Rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003ePositive and Negative Busbars to Inveter\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e2 points; m10 (3\/8) Terminal Rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eBattery Cables\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e4 sets of\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eTerminal Torque\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e7.0 - 7.7 Nm (5.1 - 5.7 ft-lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eEnclosure Warranty\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eCertifications\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003eUL9540, UL9540A, UL1973, CEC, SGIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Flexibility\u003c\/strong\u003e: Features 4 eFlex units, offering scalable energy storage to meet varying power needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 Outdoor Rated Enclosure\u003c\/strong\u003e: Designed for all-weather durability, perfect for both residential and commercial outdoor installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Cooling for Optimal Performance\u003c\/strong\u003e: Built-in cooling fan ensures efficient operation even in high-demand conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Durarack Design\u003c\/strong\u003e: The sturdy rack system securely holds the units and enhances ease of installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter-Ready\u003c\/strong\u003e: This system is compatible with various inverters, allowing customization based on your energy requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the Fortress Power FlexTower without Inverter?\u003c\/strong\u003e\u003cbr\u003eA: A scalable energy storage solution featuring 4 eFlex battery units, housed in a rugged, outdoor-rated enclosure with active cooling, designed for long-lasting power storage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are its key features?\u003c\/strong\u003e\u003cbr\u003eA:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes 4 eFlex battery units for up to 40kWh storage capacity.\u003c\/li\u003e\n\u003cli\u003eIP65 outdoor-rated enclosure for durability in all weather conditions.\u003c\/li\u003e\n\u003cli\u003eBuilt-in active cooling fan for efficient temperature management.\u003c\/li\u003e\n\u003cli\u003eModular design for easy scalability.\u003c\/li\u003e\n\u003cli\u003eDurarack for secure mounting and easy installation.\u003c\/li\u003e\n\u003cli\u003eInverter not included, allowing flexibility to choose the right inverter for your system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for outdoor installation?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the IP65-rated enclosure ensures it is weatherproof and can be installed in outdoor environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it offer easy expandability?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the modular design allows for additional eFlex units to be added as your energy needs grow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Who is it ideal for?\u003c\/strong\u003e\u003cbr\u003eA: Perfect for large residential, commercial, or off-grid systems that require high-capacity energy storage and flexible inverter selection.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e: Ensure the IP65 enclosure is sealed properly to prevent dust and water ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Cooling\u003c\/strong\u003e: Verify the cooling fan operates efficiently; clean vents and remove debris regularly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect Connections\u003c\/strong\u003e: Check electrical connections for tightness and wear to maintain system integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Health\u003c\/strong\u003e: Monitor eFlex units via the Battery Management System (BMS) for optimal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range\u003c\/strong\u003e: Maintain operating temperatures between 32°F–113°F (0°C–45°C) to ensure longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeriodic Cleaning\u003c\/strong\u003e: Wipe down the exterior and enclosure with a damp cloth to prevent dust accumulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Updates\u003c\/strong\u003e: Update eFlex units’ firmware as recommended by Fortress Power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbutton style=\"width: 0px; height: 0px; padding: 0px; margin: 0px; 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