{"product_id":"fortress-power-evault-max-18-5kwh-48v-lfp-battery-whole-home-storage","title":"Fortress Power eVault Max 18.5kWh 48V LFP Battery - Whole-Home Storage","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #1a1a1a;\"\u003e\n\u003ch2 style=\"color: #1A5276; font-size: 28px; margin-bottom: 12px;\"\u003eFortress Power eVault Max — 18.5kWh 48V LFP Battery | Whole-Home\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px;\"\u003eThe \u003cstrong\u003eFortress Power eVault Max\u003c\/strong\u003e is a high-capacity \u003cstrong\u003e18.5kWh lithium iron phosphate (LFP) battery\u003c\/strong\u003e engineered for whole-home backup and off-grid energy independence. With \u003cstrong\u003e360Ah at 51.2V\u003c\/strong\u003e, this single-unit powerhouse delivers enough stored energy to run a typical home through extended outages. Built with premium LFP cells and a 10-year warranty, the eVault Max scales up by paralleling additional units for commercial-grade storage capacity.\u003c\/p\u003e\n\u003ch3 style=\"color: #1A5276; border-bottom: 2px solid #1A5276; padding-bottom: 6px; font-size: 22px;\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e18.5kWh Single-Unit Capacity\u003c\/strong\u003e — Substantial storage for whole-home backup and multi-day off-grid living\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO4 Chemistry\u003c\/strong\u003e — Safe, thermally stable lithium iron phosphate — no thermal runaway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360Ah at 51.2V\u003c\/strong\u003e — High-capacity 48V bank with robust charge\/discharge ratings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Expansion\u003c\/strong\u003e — Parallel multiple eVault Max units for commercial-scale storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart BMS with Active Balancing\u003c\/strong\u003e — Cell-level monitoring and protection maximize battery lifespan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Inverter Compatibility\u003c\/strong\u003e — CAN\/RS485 communication protocol for seamless integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCloud Monitoring\u003c\/strong\u003e — Optional Fortress eVault Guardian cloud-based remote monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #1A5276; border-bottom: 2px solid #1A5276; padding-bottom: 6px; font-size: 22px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #1A5276; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px 14px; text-align: left; border: 1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 10px 14px; text-align: left; border: 1px solid #ddd;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd; background: #f9f9f9;\"\u003e\u003cstrong\u003eUsable Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e18.5 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e51.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd; background: #f9f9f9;\"\u003e\u003cstrong\u003eNominal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e360Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003eLithium Iron Phosphate (LFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd; background: #f9f9f9;\"\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e6,000+ cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCharge\/Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e100A \/ 200A peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd; background: #f9f9f9;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003eCAN \/ RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e-4°F to 122°F (-20°C to 50°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd; background: #f9f9f9;\"\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003eIndoor \/ Protected outdoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e~340 lbs (154 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd; background: #f9f9f9;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 14px; border: 1px solid #ddd;\"\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #1A5276; border-bottom: 2px solid #1A5276; padding-bottom: 6px; font-size: 22px;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px;\"\u003e\n\u003cli\u003eFortress Power eVault Max 18.5kWh Battery\u003c\/li\u003e\n\u003cli\u003eCommunication cable\u003c\/li\u003e\n\u003cli\u003eMounting brackets\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":44186825130118,"sku":"FP-EVAULTMAX185","price":9500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/Fortress-Power-Max-18.5-kW.png?v=1785024578","url":"https:\/\/www.portlandiaelectric.supply\/products\/fortress-power-evault-max-18-5kwh-48v-lfp-battery-whole-home-storage","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}