{"product_id":"bigbattery-48v-15kwh-nexus-eg4-12000xp-v2","title":"BigBattery 48V 15kWH NEXUS+EG4 12000XP V2","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(50, 149, 66);\"\u003e\u003cstrong\u003eBigBattery 48V 15kWH NEXUS+EG4 12000XP V2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 class=\"content__summary-title\"\u003e\u003cstrong\u003eProduct Summary:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"woocommerce-product-details__short-description\"\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"221\" data-start=\"175\"\u003eBigBattery NEXUS™ + EG4 12000XP ESS System\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a powerful, scalable energy solution designed for both\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"317\" data-start=\"280\"\u003eon-grid and off-grid applications\u003c\/strong\u003e. Combining high-capacity\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"382\" data-start=\"343\"\u003e15kWh NEXUS LiFePO₄ battery modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith the advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"432\" data-start=\"401\"\u003eEG4 12000XP hybrid inverter\u003c\/strong\u003e, this system delivers reliable, efficient energy for whole-home and commercial backup.\u003c\/p\u003e\n\u003cdiv id=\"bb-see-more-1\" class=\"bb-see-more\"\u003e\n\u003cdiv class=\"bb-see-more-content\"\u003e\n\u003cp\u003eThe EG4 12000XP provides up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"599\" data-start=\"556\"\u003e12,000W split-phase output per inverter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"631\" data-start=\"611\"\u003e24,000W PV input\u003c\/strong\u003e, enabling high solar production and seamless power management between solar, battery, and grid. With\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"747\" data-start=\"733\"\u003edual MPPTs\u003c\/strong\u003e, built-in breakers, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"804\" data-start=\"772\"\u003efast UPS switching (15–30ms)\u003c\/strong\u003e, the system ensures uninterrupted power and optimized performance.\u003c\/p\u003e\n\u003cp\u003eExpandable from\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"915\" data-start=\"893\"\u003e15kWh up to 225kWh\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand scalable up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"950\" data-start=\"935\"\u003e36kW output\u003c\/strong\u003e, the NEXUS battery system grows with your energy needs while delivering long-lasting, maintenance-free storage. Built with advanced battery protection, safe lithium technology, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1162\" data-start=\"1132\"\u003eU.S.-supported engineering\u003c\/strong\u003e, this system is ideal for residential, commercial, and off-grid energy independence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-end=\"1349\" data-start=\"1334\"\u003eShips From:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTexas, USA\u003cbr data-end=\"1363\" data-start=\"1360\"\u003e\u003cstrong data-end=\"1376\" data-start=\"1363\"\u003eWarranty:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 Years (Battery), 5 Years (Inverter)\u003cbr data-end=\"1418\" data-start=\"1415\"\u003e\u003cstrong data-end=\"1430\" data-start=\"1418\"\u003eSupport:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLifetime USA-Based Tech Support\u003c\/p\u003e\n\u003ch5 data-end=\"1491\" data-start=\"1471\" data-section-id=\"18fxkdn\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1491\" data-start=\"1474\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp data-end=\"1422\" data-start=\"1388\"\u003e\u003cstrong data-end=\"1422\" data-start=\"1388\"\u003eIntegrated \u0026amp; Optimized System:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1484\" data-start=\"1423\"\u003e\n\u003cli data-end=\"1484\" data-start=\"1423\" data-section-id=\"1svgydi\"\u003eEG4 12000XP Hybrid Inverter + NEXUS 15kWh Battery Modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1508\" data-start=\"1486\"\u003e\u003cstrong data-end=\"1508\" data-start=\"1486\"\u003eExpandable Design:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eScale battery storage from 15kWh up to 225kWh\u003c\/p\u003e\n\u003cp\u003eSupports multiple inverters up to 36kW system output\u003c\/p\u003e\n\u003cp\u003eCompatible with grid-tied, hybrid, and off-grid installations\u003c\/p\u003e\n\u003ch5 data-end=\"1557\" data-start=\"1493\"\u003e\u003cstrong data-end=\"1818\" data-start=\"1802\"\u003eKey Features\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul data-end=\"2750\" data-start=\"1820\"\u003e\n\u003cli data-end=\"1803\" data-start=\"1709\" data-section-id=\"1eja3v9\"\u003e\n\u003cstrong data-end=\"1736\" data-start=\"1711\"\u003eComplete ESS Solution\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Battery + inverter system designed to work seamlessly together\u003c\/li\u003e\n\u003cli data-end=\"1907\" data-start=\"1804\" data-section-id=\"1pzfap\"\u003e\n\u003cstrong data-end=\"1837\" data-start=\"1806\"\u003e12,000W Output per Inverter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Reliable split-phase power for residential and commercial systems\u003c\/li\u003e\n\u003cli data-end=\"1982\" data-start=\"1908\" data-section-id=\"ja34rd\"\u003e\n\u003cstrong data-end=\"1930\" data-start=\"1910\"\u003e24,000W PV Input\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– High solar capacity with dual MPPT optimization\u003c\/li\u003e\n\u003cli data-end=\"2076\" data-start=\"1983\" data-section-id=\"1j63thd\"\u003e\n\u003cstrong data-end=\"2018\" data-start=\"1985\"\u003e15kWh LiFePO₄ Battery Modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Safe, high-capacity energy storage with long lifespan\u003c\/li\u003e\n\u003cli data-end=\"2155\" data-start=\"2077\" data-section-id=\"1o9om7f\"\u003e\n\u003cstrong data-end=\"2100\" data-start=\"2079\"\u003e6,000+ Cycle Life\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Built for years of daily use and long-term savings\u003c\/li\u003e\n\u003cli data-end=\"2221\" data-start=\"2156\" data-section-id=\"j24nbd\"\u003e\n\u003cstrong data-end=\"2182\" data-start=\"2158\"\u003eUPS Backup (15–30ms)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Seamless transition during outages\u003c\/li\u003e\n\u003cli data-end=\"2308\" data-start=\"2222\" data-section-id=\"fhtmup\"\u003e\n\u003cstrong data-end=\"2251\" data-start=\"2224\"\u003eSmart Energy Management\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Supports load control, AC coupling, and peak shaving\u003c\/li\u003e\n\u003cli data-end=\"2408\" data-start=\"2309\" data-section-id=\"1f9xzii\"\u003e\n\u003cstrong data-end=\"2353\" data-start=\"2311\"\u003eBuilt-In Breakers \u0026amp; Safety Protections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Simplifies installation and enhances system safety\u003c\/li\u003e\n\u003cli data-end=\"2489\" data-start=\"2409\" data-section-id=\"sfmgt0\"\u003e\n\u003cstrong data-end=\"2432\" data-start=\"2411\"\u003eModular Expansion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Easily scale storage and output as energy needs grow\u003c\/li\u003e\n\u003cli data-end=\"2578\" data-start=\"2490\" data-section-id=\"1sx1hj0\"\u003e\n\u003cstrong data-end=\"2523\" data-start=\"2492\"\u003eRemote Monitoring \u0026amp; Control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Real-time system tracking and performance insights\u003c\/li\u003e\n\u003cli data-end=\"2645\" data-start=\"2579\" data-section-id=\"1ph7tfo\"\u003e\n\u003cstrong data-end=\"2611\" data-start=\"2581\"\u003eMaintenance-Free Operation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– No routine servicing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"2703\" data-start=\"2654\"\u003ehigh-capacity, scalable energy storage system\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebuilt for performance, flexibility, and long-term energy independence – ideal for powering homes and businesses with confidence.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eDownloads \u0026amp; Specifications\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003eBattery Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-body\"\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eBattery Specifications:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eNEXUS 15KWh\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSystem Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e48V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e51.2V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eChemistry:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eLiFePO4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUsable Energy (kWh):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e15kWh\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eAh Capacity:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e300Ah\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCell Configuration:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e16S1P\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Continuous Discharge:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e140A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Discharge Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e7.6kW\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Discharge Peak Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e270A(1s)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Charge Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e140A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCharging Voltage Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e53.5V-57.6V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOperating Voltage Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e48V-57.6V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Charge Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e57.9V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSuggested Low Voltage Cutoff\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e50.8V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCharge Temp Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e32°F to 113°F\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDischarge Temp Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e-4°F to 113°F\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOptimal Discharge Temp:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e59°F to 95°F\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eStorage Temp Range (SoC \u0026gt;50%):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e(1 month:-4°F ~ 113°F | 3 months: -4°F ~ 95°F | 6 months: -4°F ~ 77°F)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eHumidity Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e10%-95% (No Condensation)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eWeight (lbs):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e~315 lbs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDimensions (WxHxD):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e19.7 x 27.5 x 15.7 in (500×700×400 mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eAltitude Limit:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;2000m\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Connections:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e15 in parallel (up to 225kWh)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCommunications:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eRS485 \/ RJ45 \/ CAN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eProtection Rating:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eIP21\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eInstallation:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eIndoor Floor-standing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003eInverter Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-body\"\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal AC Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e120\/240VAC | 120\/208VAC (L1\/L2\/N required)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eFrequency (Grid | Generator):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e60 Hz (Default) | 50 Hz (Configurable)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Continuous AC Current (Grid | Generator):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e100A @ 240VAC | 62.5A @ 240VAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax AC Input Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e24000W\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eAC Bypass (Grid | Generator):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e100A | 90A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eRecommended Generator Capacity:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e6000W – 15000W\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOutput Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e120\/240VAC | 208VAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOutput Frequency:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e60 Hz (Default) | 50 Hz (Configurable)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Continuous Output Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e50A @ 240VAC | 57.7A @ 208VAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal Output Power (without PV):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e12000W @ 240V | 12000W @ 208V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal Output Power (with PV):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e12000W @ 240V | 12000W @ 208V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Continuous Wattage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e12000W (L1\/L2) | 6000W (L1-N\/L2-N)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSurge Capacity:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e18000W (5 sec) | 15000W (10 sec)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003ePower Factor:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e0.99\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eTotal Harmonic Distortion:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;3%\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSwitching Time:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;10 ms (Single) | \u0026lt;20 ms (Parallel)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNo. of MPPTs (Inputs per MPPT):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e2 (2)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Input Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e35A \/ 35A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Short Circuit Input Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e44A \/ 44A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDC Input Voltage Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e100 – 480VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMin Start Up Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e100VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMPPT Operating Voltage Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e120 – 385VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal MPPT Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e320VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Utilized PV Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e24000W (12000W per MPPT)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Recommended PV Input:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e28000W (14000W per MPPT)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eEfficiency:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e99% (MPPT) | 93.5% (PV to Loads) | 92.8% (PV to Battery) | 92.5% (AC to Battery) | 90.2% (Battery to Loads)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eIdle Consumption (Standby Mode):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;70W\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e48VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eBattery Voltage Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e46.4 – 60VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Charge \/ Discharge Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e250A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Charge \/ Discharge Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e12000W\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDC Cut-Off Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e59VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eRecommended Battery Capacity per Inverter:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026gt;400Ah\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Parallel Connections:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e6\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eProtection Rating:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eIP20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCommunication Interface:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eRS485 \/ CANBus \/ WiFi\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOperating Temperature (Full Load):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e32ºF – 113ºF (0ºC – 45ºC)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eStorage Temperature:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e5ºF – 140ºF (-15ºC – 60ºC)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eAltitude:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;6,561 ft (2000 m)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eRelative Humidity:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e5 – 95% (Non-Condensing)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eTypical Noise Emission:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;60 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCooling Method:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eFan\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eWeight:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e104.7 lbs (47.5 kg)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDepth:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e5.9 in (150 mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eWidth:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e20.9 in (530 mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eHeight:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e34.25 in (870 mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003eBattery Downloads\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-body\"\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSKU#:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eK0154, K0155, K0156, K0160, K0161, K0162, K0163\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSpec Sheet:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/Nexus-SpecSheet.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUser Manual:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/12\/NEXUS-User-Manual1.2.3.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-value\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003eInverter Downloads\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-body\"\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSKU:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eK0154, K0155, K0156, K0160, K0161, K0162, K0163\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSpec Sheet:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/02\/EG4-12000XPV2-Spec-Sheet-NEW.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUser Manual:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/02\/EG4-12000XPV2-Manual-NEW.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL1741 Certificate:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4-12000XP-UL%201741-Certificate-of-Compliance.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL9540 Certificate:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/02\/EG4-12000XP-WallMount-Indoor-280-Indoor-Battery-ESS-UL-9540-Certificate-of-Compliance-NEW.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eWiFi Configuration Guide:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4-Wifi-Dongle-Troubleshooting-Guide.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCEC Listing – EG4 12000XP:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/solarequipment.energy.ca.gov\/Home\/EnergyStorage?ManufacturerID=EG4+Electronics+LLC\u0026amp;amp;ModelNameID=-1\u0026amp;amp;Submit=Search\u0026amp;amp;Rows=25\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Go to link\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/gotolink.png\" decoding=\"async\"\u003eGO TO LINK\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"table-row\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"shoptimizer-archive\"\u003e\n\u003cdiv class=\"col-full\"\u003e\n\u003cdiv id=\"primary\" class=\"content-area\"\u003e\u003cmain id=\"main\" class=\"site-main\" role=\"main\"\u003e\n\u003cdiv id=\"product-181514\" class=\"product type-product post-181514 status-publish first outofstock product_cat-off-grid-solar has-post-thumbnail sale taxable shipping-taxable purchasable product-type-variable has-default-attributes\"\u003e\n\u003cdiv class=\"product__desc\"\u003e\n\u003cdiv class=\"product__desc-wrapper\"\u003e\n\u003cdiv class=\"bb_container\"\u003e\n\u003cdiv class=\"bb_row\"\u003e\n\u003cdiv class=\"bb_w-6 bb_product_tabs\"\u003e\n\u003cdiv class=\"bb_tabs_content\"\u003e\n\u003cdiv class=\"bb_tab_content pad-1 active\" id=\"warranty-info-tab\"\u003e\n\u003cp\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. For more information, please visit our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/bigbattery.com\/policies\/\"\u003epolicy\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003epage\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection id=\"footer-new-section\"\u003e\u003cfooter id=\"footer\" class=\"footer\"\u003e\n\u003cdiv class=\"custom-shape custom-shape-top\" data-negative=\"false\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 1000 100\" preserveaspectratio=\"none\"\u003e\u003cpath class=\"custom-shape-fill\" opacity=\"0.33\" d=\"M473,67.3c-203.9,88.3-263.1-34-320.3,0C66,119.1,0,59.7,0,59.7V0h1000v59.7 c0,0-62.1,26.1-94.9,29.3c-32.8,3.3-62.8-12.3-75.8-22.1C806,49.6,745.3,8.7,694.9,4.7S492.4,59,473,67.3z\"\u003e\u003c\/path\u003e\u003cpath class=\"custom-shape-fill\" opacity=\"0.66\" d=\"M734,67.3c-45.5,0-77.2-23.2-129.1-39.1c-28.6-8.7-150.3-10.1-254,39.1 s-91.7-34.4-149.2,0C115.7,118.3,0,39.8,0,39.8V0h1000v36.5c0,0-28.2-18.5-92.1-18.5C810.2,18.1,775.7,67.3,734,67.3z\"\u003e\u003c\/path\u003e\u003cpath class=\"custom-shape-fill\" d=\"M766.1,28.9c-200-57.5-266,65.5-395.1,19.5C242,1.8,242,5.4,184.8,20.6C128,35.8,132.3,44.9,89.9,52.5C28.6,63.7,0,0,0,0 h1000c0,0-9.9,40.9-83.6,48.1S829.6,47,766.1,28.9z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer__container\"\u003e\n\u003cdiv class=\"footer__body\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/footer\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e","brand":"BigBattery","offers":[{"title":"1x 12000XP + 1x NEXUS","offer_id":48630725968118,"sku":"K0154","price":4940.0,"currency_code":"USD","in_stock":true},{"title":"1x 12000XP + 2x NEXUS","offer_id":50453747073270,"sku":"K0155","price":8085.0,"currency_code":"USD","in_stock":true},{"title":"1x 12000XP + 3x NEXUS","offer_id":50453747106038,"sku":"K0156","price":11130.0,"currency_code":"USD","in_stock":true},{"title":"2x 12000XP + 2x NEXUS","offer_id":50453747138806,"sku":"K0160","price":10050.0,"currency_code":"USD","in_stock":true},{"title":"2x 12000XP + 4x NEXUS","offer_id":50453747171574,"sku":"K0161","price":16140.0,"currency_code":"USD","in_stock":true},{"title":"2x 12000XP + 6x NEXUS","offer_id":50453747204342,"sku":"K0162","price":22330.0,"currency_code":"USD","in_stock":true},{"title":"3x 12000XP + 6x NEXUS","offer_id":50453747237110,"sku":"K0163","price":24395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3738\/7254\/files\/EG4-12000XP-NEXUS-5-1.webp?v=1776540930","url":"https:\/\/ecopowerit.com\/products\/bigbattery-48v-15kwh-nexus-eg4-12000xp-v2","provider":"EcoPowerit","version":"1.0","type":"link"}