{"product_id":"fortress-power-eflex-max-5-4kwh-battery","title":"Fortress Power eFlex MAX 5.4kWh Battery","description":"\u003cp\u003eThe eFlex MAX 5.4 kWh is a high-performance 48V lithium iron phosphate (LFP) battery engineered for maximum flexibility, reliability, and long-term energy savings. Designed to operate in demanding environments — from homes and apartments to off-grid cabins, RVs, and boats — it delivers uninterrupted backup power with smart inverter integration and advanced system communications.\u003c\/p\u003e\n\u003cp\u003eWith a guaranteed 8,000+ cycle life, a 10-year warranty, and built-in safety protections, the eFlex MAX meets the highest standards for quality and performance. Whether used for solar self-consumption, backup power, or off-grid storage, it’s a versatile solution built to last.\u003c\/p\u003e\n\u003cp\u003e*The eFlex MAX 5.4kWh and the eFlex 5.4kWh LFP Battery are NOT compatible with each other.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cp\u003eDurable, Outdoor-Ready Design\u003cbr\u003eBuilt with a saltwater-resistant aluminum enclosure, the eFlex MAX is engineered for both indoor and outdoor use — no additional protective housing required.\u003c\/p\u003e\n\u003cp\u003eIndustry-Leading Battery Lifespan\u003cbr\u003eEnjoy over 8,000 cycles and a 10+ year lifespan, thanks to the battery’s patented ¾\" aluminum shell, which delivers superior thermal regulation and durability — even under high-power loads.\u003c\/p\u003e\n\u003cp\u003eUltra-High Efficiency with Minimal Standby Loss\u003cbr\u003eThe eFlex MAX operates at up to 99% round-trip efficiency and consumes just 2W in idle mode, making it ideal for off-grid systems and maximizing energy savings.\u003c\/p\u003e\n\u003cp\u003eEffortless Scalability\u003cbr\u003eExpand your system with ease with the optional busbar package, supporting higher current loads and reducing wiring complexity.\u003c\/p\u003e\n\u003cp\u003eStreamlined Installation, Indoors or Out\u003cbr\u003eWith a waterproof front cover and flexible wall or floor mounting, the eFlex MAX ensures a clean, fast, and code-compliant installation — no external conduits needed.\u003c\/p\u003e\n\u003cp\u003eMaximum Value, Minimum Cost per kWh\u003cbr\u003eDelivering premium performance at an accessible price, the eFlex MAX offers best-in-class LFP technology, high output, and unbeatable long-term value.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003ctable id=\"tablepress-3\" class=\"tablepress tablepress-id-3 tbody-has-connected-cells\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"row-1\"\u003e\n\u003ctd colspan=\"2\" class=\"column-1\"\u003eGeneral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-2\"\u003e\n\u003ctd class=\"column-1\"\u003eName\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003eeFlex MAX 5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3\"\u003e\n\u003ctd class=\"column-1\"\u003eTotal Energy(kWh)\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4\"\u003e\n\u003ctd class=\"column-1\"\u003eMax. Charge Current (Continuous) [A]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5\"\u003e\n\u003ctd class=\"column-1\"\u003eMax. Discharge Current (Continuous) [A]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6\"\u003e\n\u003ctd class=\"column-1\"\u003eNominal Capacity [Ah]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e105\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7\"\u003e\n\u003ctd class=\"column-1\"\u003eVoltage Range [V]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e48-55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8\"\u003e\n\u003ctd class=\"column-1\"\u003eCharging Temperature [F]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e32 ~ 114\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9\"\u003e\n\u003ctd class=\"column-1\"\u003eDischarging Temperature [F]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e-4 ~ 131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10\"\u003e\n\u003ctd class=\"column-1\"\u003eStorage Temperature [F]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e20 ~ 95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-11\"\u003e\n\u003ctd class=\"column-1\"\u003eDimension [L x W x H, inch]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e17.5 x 24.2 x 7.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-12\"\u003e\n\u003ctd class=\"column-1\"\u003eWeight [lbs]\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e108\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-13\"\u003e\n\u003ctd class=\"column-1\"\u003eLife Cycles\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e8000 @ 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-14\"\u003e\n\u003ctd class=\"column-1\"\u003eRound Trip Efficiency\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\u0026gt;98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDownloads:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/Fortress-Power-eFlex-MAX-Data-Sheet-English.pdf?v=1789747079\" target=\"_blank\" rel=\"noopener\"\u003eData Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/Fortress-Power-eFlex-MAX-Installation-Manual-English.pdf?v=1789747113\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/Fortress-Power-eFlex-MAX-OGPE-Certification.pdf?v=1789747151\" target=\"_blank\" rel=\"noopener\"\u003eOGPE Certification\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/Fortress-Power-eFlex-MAX-UL9540-Certification.pdf?v=1789747478\" target=\"_blank\" rel=\"noopener\"\u003eUL9540\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/Fortress-Power-eFlex-MAX-UL9540A-Certification.pdf?v=1789747509\" target=\"_blank\" rel=\"noopener\"\u003eUL9540A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/Fortress-Power-eFlex-MAX-UL9540A-Certification.pdf?v=1789747509\" target=\"_blank\" rel=\"noopener\"\u003eWarranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":50517597225208,"sku":"eFlex-MAX","price":1519.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2809\/4762\/files\/fortress-power-fortress-power-eflex-max-5-4kwh-battery-eflex-max-1258860175.png?v=1789513870","url":"https:\/\/bensdeals.com\/es\/products\/fortress-power-eflex-max-5-4kwh-battery","provider":"Ben's Deals","version":"1.0","type":"link"}