{"product_id":"fortress-power-espire-60kwh-nano-battery-indoor-rated-fp-nano-s12-i","title":"Fortress Power eSpire 60kWh Nano Battery Indoor-Rated | FP-Nano-S12-I","description":"\u003cp dir=\"ltr\"\u003eThe larger capacity option for indoor commercial installs, this 60kWh cabinet keeps the same LFP chemistry and modular design as its smaller counterpart, built for mechanical rooms and covered spaces.\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003eKey Features\u003c\/h2\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eIndoor-Rated Enclosure: IP20 protection suits mechanical rooms and other covered installation spaces.\u003c\/li\u003e\n\u003cli\u003eModular Cabinet Design: Combines with additional units for expanded capacity as project demand grows.\u003c\/li\u003e\n\u003cli\u003eTier 1 LFP Chemistry: Lithium Iron Phosphate cells deliver high thermal stability and long-term reliability.\u003c\/li\u003e\n\u003cli\u003eAdvanced BMS: Real-time monitoring, balancing, and protection across the full battery pack.\u003c\/li\u003e\n\u003cli\u003eLong-Term Warranty: 10-year coverage with 70% capacity retention at 8,000 cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eA 12-rack configuration delivers 61.44 kWh of usable nominal energy, built around a 1P192S pack layout at 100Ah nominal cell capacity.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eNominal voltage runs at 614.4 Vdc, operating within a 537.6-691.2 Vdc range to match compatible eSpire Nano inverters.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eDischarge and charge current tops out at 100A, matching the 40kWh unit's output ceiling despite the added capacity.\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003eTechnical Specification\u003c\/h2\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eItem\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eFP-Nano-S12-I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Battery Capacity\u003c\/td\u003e\n\u003ctd\u003e60 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLFP (Lithium Iron Phosphate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd\u003e100 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Configuration\u003c\/td\u003e\n\u003ctd\u003e1P192S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Configuration\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Energy\u003c\/td\u003e\n\u003ctd\u003e61.44 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e614.4 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e537.6 - 691.2 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Discharge\/Charge Current\u003c\/td\u003e\n\u003ctd\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20, Indoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-4°F to 122°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10 Years, 70% Retention at 8,000 Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Fortress Power","offers":[{"title":"Default Title","offer_id":54640155590966,"sku":null,"price":28500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/2233\/8102\/files\/Screenshot2026-09-22143327_eff33495-096a-4a32-b276-eee32522441e.png?v=1790202243","url":"https:\/\/thesolarstore.com\/products\/fortress-power-espire-60kwh-nano-battery-indoor-rated-fp-nano-s12-i","provider":"The Solar Store","version":"1.0","type":"link"}