{"product_id":"fortress-power-eflex-5-4kwh-lfp-battery","title":"Fortress Power eFlex 5.4kWh LFP Battery","description":"\u003ch2\u003eFortress Power eFlex 5.4kWh LFP Battery\u003c\/h2\u003e\n\u003cp\u003eIntroducing the Fortress Power eFlex 5.4kWh LFP Battery - the flexible and efficient energy storage solution for your home or business. With a compact 5.4kWh capacity, this lithium iron phosphate battery pack can provide reliable power backup for shorter periods and is perfect for those looking for a smaller energy storage solution.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCompact 5.4kWh battery pack\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 and charge controllers\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\u003e7-year warranty for added peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith the Fortress Power eFlex 5.4kWh LFP Battery, you can rest easy knowing that your energy needs are fully covered, even during power outages. This powerful and durable battery pack is the perfect addition to any solar panel system, providing you with reliable and sustainable energy storage for years to come. It's also a great choice for those who have limited space and looking for a compact energy storage solution.\u003c\/p\u003e\n\u003cdiv class=\"product-info-download-buttons\"\u003e\n\u003cdiv class=\"product-info-download-buttons\"\u003e\n\u003ch5 class=\"group-title\"\u003eSpecification\u003c\/h5\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-info-download-buttons\"\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-jgim\"\u003eName\u003c\/th\u003e\n\u003cth class=\"tg-7ulv\"\u003eeFlex 5.4\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eTotal Energy(kWh)\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eMax. Charge Current (Continuous) [A]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eMax. Discharge Current (Continuous) [A]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eMax. Pulse Current (for 5 sec) [A]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eCapacity [Ah]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e105\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eVoltage Range [V]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e48-55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eCharging Temperature [F]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e32 to 113\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eDischarging Temperature [F]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e32 to 140\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eStorage Temperature [F]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e32 to 95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eDimension [L x W x H, inch]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e21.5 x 17.5 x 7.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eWeight [lbs]\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e116\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eLife Cycles\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e6000 @ 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-jgim\"\u003eRound Trip Efficiency\u003c\/td\u003e\n\u003ctd class=\"tg-7ulv\"\u003e\u0026gt;98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eDatasheets\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2022\/05\/eFlex-Technical-Datasheet.pdf\"\u003eeFlex Data Sheet\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2021\/11\/eFlex-Technical-Datasheet_newlogo_Spanis.pdf\"\u003eeFlex SPANISH Data Sheet\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2021\/11\/eflex-brochure-espanol.pdf\"\u003eeFlex SPANISH Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eWarranty\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.fortresspower.com\/external\/manual\/eflex-5-4-manual\/article\/table-of-contents?p=dc8b9a9c1b3f410556835193e66f22573ff1dced9b225dfe0940054a527a3680\" target=\"_blank\"\u003eeFlex Owner \/ Installation Manual\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/inverter-guides\/\" target=\"_blank\"\u003eInverter Guides\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/firmware\/\" target=\"_blank\"\u003eFirmware \u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2021\/07\/10-Year-eFlex-Warranty-Letter-12.2020-1-1.pdf\"\u003eWarranty\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eCertifications\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2021\/08\/Fortress-eFlex-UL9540-UL-1973-Certificate.pdf\"\u003eUL9540 \/ UL1973 Certificate\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2022\/09\/eFlex-UL9540a-Final-Report_-1.pdf\"\u003eUL9540a Large Scale Fire Test Report\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch5\u003eVideo \u003c\/h5\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/rxGmRA_LDeI\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch5\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Power\u003c\/strong\u003e: Delivers 5.4 kWh of storage, ideal for residential energy systems or as a modular addition to larger setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLithium Iron Phosphate (LFP) Technology\u003c\/strong\u003e: Known for its safety, longevity, and thermal stability, providing a longer lifecycle than traditional batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalable Design\u003c\/strong\u003e: Easily integrates with other Fortress Power systems, allowing you to expand your storage capacity as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient \u0026amp; Reliable\u003c\/strong\u003e: Offers consistent energy output with minimal loss, making it a dependable choice for backup or off-grid power solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving\u003c\/strong\u003e: Its compact design fits in tight spaces without sacrificing performance.\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 eFlex 5.4kWh LFP Battery?\u003c\/strong\u003e\u003cbr\u003eA: A compact and reliable 5.4kWh lithium iron phosphate (LFP) battery, designed for energy storage in residential, commercial, and off-grid applications, offering long-lasting power and safety.\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\u003e5.4kWh storage capacity for consistent energy supply.\u003c\/li\u003e\n\u003cli\u003eLithium Iron Phosphate (LFP) chemistry for improved safety, long cycle life, and thermal stability.\u003c\/li\u003e\n\u003cli\u003eModular design for easy integration with other Fortress Power systems.\u003c\/li\u003e\n\u003cli\u003eEfficient, scalable solution for backup power or off-grid use.\u003c\/li\u003e\n\u003cli\u003eBuilt-in Battery Management System (BMS) for optimal performance and safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it safe to use?\u003c\/strong\u003e\u003cbr\u003eA: Yes, LFP technology is known for its enhanced safety features, including thermal stability and resistance to overcharging or discharging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How can it be expanded?\u003c\/strong\u003e\u003cbr\u003eA: The eFlex 5.4kWh battery can be easily combined with other eFlex units to scale up your energy storage capacity.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Management\u003c\/strong\u003e: Ensure the battery operates within the recommended temperature range (32°F–113°F or 0°C–45°C) to prevent overheating or damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor Battery Health\u003c\/strong\u003e: Use the Battery Management System (BMS) to keep track of charge cycles, state of health, and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Clean\u003c\/strong\u003e: Clean the battery's exterior with a soft cloth to remove dust and debris, ensuring proper ventilation and cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid Deep Discharges\u003c\/strong\u003e: Avoid discharging the battery below 20% and refrain from fully charging to 100% for optimal lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect Connections\u003c\/strong\u003e: Regularly check electrical connections for tightness and signs of wear or corrosion to maintain system integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Updates\u003c\/strong\u003e: Keep the eFlex battery firmware up to date to improve performance and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Storage\u003c\/strong\u003e: If storing for extended periods, keep the battery at a charge level between 20% and 80%, and ensure it's stored in a cool, dry place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":46417387290849,"sku":"eFlex 5.4","price":3290.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/9776\/9953\/files\/eFlexnew1_e351de5e-8144-4459-af37-9390d13f4eb0.png?v=1746459033","url":"https:\/\/sportsteez.com\/products\/fortress-power-eflex-5-4kwh-lfp-battery","provider":"EP","version":"1.0","type":"link"}