{"product_id":"fortress-power-eflex-5-4kwh-battery","title":"Fortress Power eFlex 5.4kWh Battery","description":"\u003cp\u003eThe Fortress Power eFlex 5.4 is a 48V LFP battery module purpose-built for residential solar storage. The eFlex architecture is modular — additional 5.4 kWh units stack together to build larger battery banks as storage needs grow, making it a flexible long-term investment for homeowners.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eeFlex 5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUsable Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.12 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium Iron Phosphate (LFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48V nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Discharge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100A (4.8 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6,000 cycles to 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModular 48V architecture — stack up to 4 units for 20+ kWh of storage\u003c\/li\u003e\n\u003cli\u003e6,000 cycle life — exceptional longevity for residential applications\u003c\/li\u003e\n\u003cli\u003eIntegrated BMS with CAN bus communication for inverter integration\u003c\/li\u003e\n\u003cli\u003eCompatible with Sol-Ark, Schneider, SMA, and other 48V hybrid inverters\u003c\/li\u003e\n\u003cli\u003eUL 9540A listed for safety compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eResidential solar-plus-storage systems using any 48V hybrid inverter (Sol-Ark, Schneider XW+, SMA). Excellent for expandable storage — start with one unit, add more later.\u003c\/p\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":47874750578926,"sku":"KU22075","price":3788.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/5159\/2686\/files\/b0754f20ecb165863ce0a7ba91d95ae3.jpg?v=1776771044","url":"https:\/\/starstream-solar.myshopify.com\/products\/fortress-power-eflex-5-4kwh-battery","provider":"StarStream Solar","version":"1.0","type":"link"}