{"product_id":"bigbattery-48v-15kwh-nexus-lifepo4-battery-f-nxus-48150-g1","title":"BigBattery | 48V 15kWH NEXUS LiFePO4 Battery | F-NXUS-48150-G1","description":"\u003cp\u003eNexus is the most affordable 15kWh LiFePO₄ off-grid powerhouses with a portable, compact build, and scalability to 225kWh for unstoppable outdoor home or cabin backup power.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Uninterrupted, long-lasting power for any off-grid application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Advanced LiFePO4 for safety and longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Rugged, floor-standing design for easy installation in tech closets, garages, cabins, or sheds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Integrated BMS with quadruple safety redundancies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalability:\u003c\/strong\u003e High-capacity, expandable storage solution up to 225kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Off-grid solar, commercial backup, and home EPS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhats included:\u003c\/p\u003e\n\u003cp\u003e51.2V 300AH-15KWH Energy storage box, with fire extinguisher (aerosol) \u0026amp; heater\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-1024x853.png\"\u003e\u003c\/figure\u003e\n\u003ch3\u003eSleek \u0026amp; Compact Design\u003c\/h3\u003e\n\u003cp\u003eOur stackable, compact design comes with all the hardware you need for a straightforward setup, letting you get your off-grid system up and running efficiently in less time. Engineered for reliability in any off-grid environment, it delivers consistent power when you need it most.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-1024x853.png\"\u003e\u003c\/figure\u003e\n\u003ch3\u003eOff-Grid Energy Reliability\u003c\/h3\u003e\n\u003cp\u003eWith 300Ah of capacity, 140A max continuous discharge, and peak support up to 270A, NEXUS handles high-demand loads with ease. NEXUS’s smart thermal management enables charging from 32 °F to 113 °F and discharging down to -4 °F, making it a true all-weather energy solution.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-1024x853.png\"\u003e\u003c\/figure\u003e\n\u003ch3\u003eModular ESS That Grows With You\u003c\/h3\u003e\n\u003cp\u003eNEXUS supports parallel expansion up to 15 units, offering 225kWh total capacity per inverter. With RS485, CAN, and RJ45 communication ports, it’s ready to integrate seamlessly into new or existing inverter systems—ensuring full system transparency, automation, and control.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-Key-Features-3-scaled.png\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-1024x637.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-scaled.png?fit=2560%2C1051\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e\n\u003ch2\u003e\u003cstrong\u003eLegacy Product Parallel Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-scaled.png?fit=2560%2C1051\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e\n\u003cp\u003eThe \u003cstrong\u003eNEXUS\u003c\/strong\u003e is compatible and parallel-able with all existing \u003cstrong\u003eKONG\u003c\/strong\u003e and \u003cstrong\u003eGRIZ\u003c\/strong\u003e products purchased between 2019-2024.\u003c\/p\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":51503659811103,"sku":"F-NXUS-48150-G1","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/1965\/5199\/files\/109.png?v=1770268686","url":"https:\/\/offgridselection.com\/products\/bigbattery-48v-15kwh-nexus-lifepo4-battery-f-nxus-48150-g1","provider":"Off Grid Selection","version":"1.0","type":"link"}