{"product_id":"fogstar-5kwh-48v-lifepo4-rack-battery","title":"FogStar 5.12kWh 48V 100Ah LiFePO4 Lithium Iron Battery","description":"\u003ch1 style=\"color: #f87c24;\"\u003eFogStar 5.12kWh 48V 100Ah LiFePO4 Rack Battery\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eFogStar ESR51.2V\u003c\/strong\u003e is a 5.12kWh rack-mounted LiFePO4 battery built with Grade A EVE LF100LA cells. It includes automatic self-heating for cold weather operation, an LCD touchscreen for inverter protocol selection, a 125A DC circuit breaker, and a 10-year manufacturer warranty. Up to 32 units can be connected in parallel (31 with Victron systems).\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5.12kWh fully usable LiFePO4 capacity\u003c\/li\u003e\n  \u003cli\u003e48V 100Ah rated, Grade A EVE LF100LA cells\u003c\/li\u003e\n  \u003cli\u003e4000 cycles at 80% depth of discharge\u003c\/li\u003e\n  \u003cli\u003eAutomatic internal heating activates below 5°C, allows safe charging to -20°C\u003c\/li\u003e\n  \u003cli\u003eLCD touchscreen for inverter protocol selection without BMS software\u003c\/li\u003e\n  \u003cli\u003ePre-loaded protocols for Victron, Pylontech, Growatt, Sofar, Solis, GoodWe and others\u003c\/li\u003e\n  \u003cli\u003ePACE 100A BMS for cell monitoring and protection\u003c\/li\u003e\n  \u003cli\u003e125A DC circuit breaker included\u003c\/li\u003e\n  \u003cli\u003eUp to 32 batteries in parallel (31 with Victron)\u003c\/li\u003e\n  \u003cli\u003e10-year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe self-heating function is the key practical differentiator for UK installations. LiFePO4 batteries cannot be safely charged below 0°C without cell damage. Most rack batteries either refuse to charge in cold conditions or rely on the installer to manage ambient temperature. The FogStar activates its heater automatically when the internal temperature drops below 5°C, which means the battery charges reliably in unheated garages, plant rooms and outbuildings throughout winter without any intervention.\u003c\/p\u003e\n\n\u003cp\u003eThe LCD touchscreen removes the need to download BMS configuration software or connect a laptop to set the inverter communication protocol. Select the correct profile from the screen, connect the cable, and the inverter reads the battery data immediately. Pre-loaded protocols cover the most common inverter brands used in UK solar installations.\u003c\/p\u003e\n\n\u003cp\u003eThe ESR48V and ESR51.2V models are not compatible with other rack battery brands. Do not mix with batteries from other manufacturers. If you are unsure about system compatibility, contact our technical team before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eResidential solar energy storage\u003c\/li\u003e\n  \u003cli\u003eHybrid inverter battery systems\u003c\/li\u003e\n  \u003cli\u003eOff-grid solar installations\u003c\/li\u003e\n  \u003cli\u003eInstallations in unheated spaces requiring cold-weather charging\u003c\/li\u003e\n  \u003cli\u003eExpandable battery banks for growing solar systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eWhat Is Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x FogStar ESR51.2V 5.12kWh rack battery\u003c\/li\u003e\n  \u003cli\u003eRS232 to USB communication cable\u003c\/li\u003e\n  \u003cli\u003e35mm² positive battery cable\u003c\/li\u003e\n  \u003cli\u003e35mm² negative battery cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThis battery must be installed by a qualified installer. Do not mix with other rack battery brands or models. Select the correct inverter communication protocol on the LCD before connecting. Install indoors or in a protected enclosure. Follow the FogStar installation guide for parallel wiring, fusing and cable sizing requirements.\u003c\/p\u003e","brand":"FogStar Energy","offers":[{"title":"Default Title","offer_id":55266203468110,"sku":"002929","price":889.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/3698\/8238\/files\/fogstarlithiumionbattery5kwh48v.webp?v=1770388889","url":"https:\/\/voltaconsolar.com\/products\/fogstar-5kwh-48v-lifepo4-rack-battery","provider":"VoltaconSolar","version":"1.0","type":"link"}