{"product_id":"bigbattery-48v-nexus-2-lifepo4-battery-314ah-16kw","title":"BigBattery 48V NEXUS 2 LiFePO4 Battery - 314Ah 16kW","description":"\u003ch1\u003eBigBattery 48V NEXUS 2 LiFePO4 Battery - 314Ah 16kW\u003c\/h1\u003e\n\u003cp data-start=\"192\" data-end=\"570\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"196\" data-end=\"243\"\u003eBigBattery NEXUS 2 51.2V 16kWh LiFePO₄ Battery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a cost-effective, high-capacity energy storage solution designed for off-grid homes, cabins, and backup power systems. With a compact, portable, floor-standing design, NEXUS 2 delivers reliable, uninterrupted power while allowing flexible installation in garages, utility rooms, cabins, or sheds-without complex mounting.\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"865\"\u003ePowered by advanced LiFePO₄ battery chemistry, NEXUS 2 offers long service life, enhanced safety, and consistent performance. Built with an integrated Battery Management System (BMS) featuring multiple layers of protection, it ensures dependable operation even in demanding environments.\u003c\/p\u003e\n\u003cp data-start=\"867\" data-end=\"1206\"\u003eEach unit includes a self-heating function for cold-weather performance and integrated aerosol fire suppression for added safety. The NEXUS 2 is expandable up to 240kWh, ideal for off-grid solar systems, commercial backup power, and home emergency power applications where affordability, scalability, and reliability matter most.\u003c\/p\u003e\n\u003cp data-start=\"867\" data-end=\"1206\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/5647\/9786\/files\/002.jpg?v=1791567598\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"867\" data-end=\"1206\"\u003eFEATURES\u003c\/h2\u003e\n\u003cul data-start=\"1659\" data-end=\"2300\"\u003e\n\u003cli data-section-id=\"kkj8m0\" data-start=\"1659\" data-end=\"1752\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003e16kWh LiFePO₄ Battery Module\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eSafe, high-capacity lithium storage with long lifespan\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1o9om7f\" data-start=\"1753\" data-end=\"1831\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003e8,000+ Cycle Life\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eBuilt for years of daily use and long-term savings\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cc83np\" data-start=\"1832\" data-end=\"1936\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003eAdvanced BMS Protection\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eMulti-layer protection against voltage, current, and temperature risks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pnowez\" data-start=\"1937\" data-end=\"2006\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003eSelf-Heating Function\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eReliable performance in cold climates\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"u4vsh0\" data-start=\"2007\" data-end=\"2088\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003eIntegrated Thermal Suppression\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eBuilt-in aerosol system for enhanced safety\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"98d0vq\" data-start=\"2089\" data-end=\"2156\"\u003e\n\u003cstrong\u003e\u003cspan class=\"bb-kf__label\"\u003eModular Expansion \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"bb-kf__label\"\u003e-\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"bb-kf__label\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"bb-kf__text\"\u003eScale from 16kWh up to 240kWh as needed\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18zufzb\" data-start=\"2157\" data-end=\"2233\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003eCompact Floor-Standing Design\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eEasy placement without wall mounting\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ph7tfo\" data-start=\"2234\" data-end=\"2300\"\u003e\n\u003cspan class=\"bb-kf__label\"\u003e\u003cstrong\u003eMaintenance-Free\u003c\/strong\u003e \u003cstrong\u003eOperation\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan class=\"bb-kf__text\"\u003eNo routine servicing required\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ph7tfo\" data-start=\"2234\" data-end=\"2300\"\u003e\u003cspan class=\"bb-kf__text\"\u003e\u003cstrong data-start=\"1264\" data-end=\"1277\"\u003eWarranty \u003c\/strong\u003e-\u003cstrong data-start=\"1264\" data-end=\"1277\"\u003e \u003c\/strong\u003e12 Years\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1ph7tfo\" data-start=\"2234\" data-end=\"2300\"\u003e\u003cspan class=\"bb-kf__text\"\u003e\u003cstrong data-start=\"1289\" data-end=\"1301\"\u003eSupport \u003c\/strong\u003e-\u003cstrong data-start=\"1289\" data-end=\"1301\"\u003e \u003c\/strong\u003eLifetime USA-Based Tech Support\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"bb-kf__note\"\u003eA \u003cstrong data-start=\"2309\" data-end=\"2368\"\u003ereliable, scalable, and safety-focused battery solution\u003c\/strong\u003e built for long-term energy independence.\u003c\/p\u003e\n\u003ch2 data-start=\"867\" data-end=\"1206\"\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/5647\/9786\/files\/001_532c394d-b392-41ba-a712-2c37aeb3dc24.jpg?v=1791567453\" alt=\"\"\u003e\u003cspan class=\"row-key\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch2\u003eCOMPATIBILITY\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1364\" data-end=\"1402\"\u003e\u003cstrong data-start=\"900\" data-end=\"953\"\u003eCommunication of Inverters list (Off Grid Non-UL 9540 Installs)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1403\" data-end=\"1484\"\u003e\n\u003cli data-section-id=\"nk1a3s\" data-start=\"954\" data-end=\"977\"\u003eAll BigBattery APEX Inverters\u003c\/li\u003e\n\u003cli data-section-id=\"3gpcb4\" data-start=\"1001\" data-end=\"1015\"\u003eEG4\u003c\/li\u003e\n\u003cli data-section-id=\"3gpcb4\" data-start=\"1001\" data-end=\"1015\"\u003eGoodWe\u003c\/li\u003e\n\u003cli data-section-id=\"3gpcb4\" data-start=\"1001\" data-end=\"1015\"\u003eSolis\u003c\/li\u003e\n\u003cli data-section-id=\"3gpcb4\" data-start=\"1001\" data-end=\"1015\"\u003eDeye\u003c\/li\u003e\n\u003cli data-section-id=\"3gpcb4\" data-start=\"1001\" data-end=\"1015\"\u003ePYLON\u003c\/li\u003e\n\u003cli data-section-id=\"3gpcb4\" data-start=\"1001\" data-end=\"1015\"\u003eVictron\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1486\" data-end=\"1509\"\u003e\u003cstrong data-start=\"1486\" data-end=\"1509\"\u003ePower Flexibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1510\" data-end=\"1631\"\u003e\n\u003cli data-section-id=\"r3gs9b\" data-start=\"1510\" data-end=\"1568\"\u003eSupports off-grid installations\u003c\/li\u003e\n\u003cli data-section-id=\"12dl1rt\" data-start=\"1569\" data-end=\"1631\"\u003eScalable energy storage for residential and commercial use\u003c\/li\u003e\n\u003cli\u003eDesigned for scalable energy storage applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1208\" data-end=\"1335\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/5647\/9786\/files\/Inverter-Compatability-List.webp?v=1791567893\" alt=\"\" width=\"604\" height=\"248\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"1208\" data-end=\"1335\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/5647\/9786\/files\/NEXUS-INFOGRAPHIC-1-scaled-1-990x406.webp?v=1791567986\" alt=\"\" width=\"599\" height=\"246\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"1208\" data-end=\"1335\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/5647\/9786\/files\/Product-Infographics-4-scaled-2-1024x420.webp?v=1791567985\" alt=\"\" width=\"601\" height=\"247\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"1208\" data-end=\"1335\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eNEXUS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003cspan\u003e is compatible and parallel-able with all existing \u003c\/span\u003e\u003cstrong\u003eKONG\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003eGRIZ\u003c\/strong\u003e\u003cspan\u003e products purchased between 2019-2024.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eGUIDE\u003c\/h2\u003e\n\u003ch4\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/09\/NEXUS-2-Specsheet-sep11.pdf\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eSpecification Sheet\u003c\/span\u003e\u003c\/a\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/09\/NEXUS-2-User-Manual9-9.pdf\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eUser Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/h4\u003e\n\u003ch2\u003eWARRANTY\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBigBattery batteries are backed by a 12-year warranty, giving you reliable long-term performance and confidence in every charge. Designed for durability and engineered to last, our batteries are built to power your setup for over a decade.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch6\u003eFAQS\u003c\/h6\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"bb-faq__question-text\"\u003eHow many NEXUS 2 batteries can I parallel?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"bb-faq__icon\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"bb-faq__answer\"\u003e\n\u003cp\u003eUp to 15 units per inverter, giving 240kWh of total capacity. Each unit is 16kWh with 314Ah, and the system uses RS485, CAN and RJ45 communication ports, so expansion integrates with new or existing inverter systems rather than requiring separate management.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"bb-faq__question-text\"\u003eDoes the NEXUS 2 have fire suppression?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"bb-faq__icon\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"bb-faq__answer\"\u003e\n\u003cp\u003eYes. Each NEXUS 2 includes integrated aerosol fire suppression alongside self-heating for cold weather. That is unusual at this price point and matters for indoor installs in garages, utility rooms and sheds where a battery sits near living space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"bb-faq__question-text\"\u003eDoes the NEXUS 2 work with my old KONG batteries?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"bb-faq__icon\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"bb-faq__answer\"\u003e\n\u003cp\u003eYes. The NEXUS 2 is compatible and parallel-able with all existing KONG and GRIZ products purchased between 2019 and 2024. That means you can expand an older BigBattery system rather than replacing it, which is rare in this market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWhat inverters is the NEXUS 2 compatible with?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn an off-grid setup using closed-loop communications, it is compatible with all BigBattery APEX and EG4 inverters. Documented compatibility also includes select systems from Solis, Deye, GoodWe, SRNE, Pylontech, Victron, Growatt, Voltronic Power, and LuxPowerTek.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"bb-faq__question-text\"\u003eIs the NEXUS 2 suitable for a cabin?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"bb-faq__icon\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"bb-faq__answer\"\u003e\n\u003cp\u003eYes. the NEXUS 2 is a compact, portable, floor-standing design that installs in garages, utility rooms, cabins or sheds without wall mounting. With 314Ah, 140A max continuous discharge and peak support to 270A, it handles high-demand loads, and it discharges down to -4°F.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":52897399734570,"sku":"F-NXUS2-48161-G1","price":2990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/5647\/9786\/files\/Nexus-2-Main-image_d35d7aa6-b199-4c41-8fda-c47010ace00e.webp?v=1791568319","url":"https:\/\/thehomeupgrade.com\/products\/bigbattery-48v-nexus-2-lifepo4-battery-314ah-16kw","provider":"The Home Upgrade","version":"1.0","type":"link"}