{"product_id":"1x-12000xp-2x-nexus","title":"2x Nexus + EG4 12000XP V2 Off-Grid Inverter","description":"\u003cp class=\"content__summary-title\"\u003e\u003cstrong\u003eProduct Summary:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"woocommerce-product-details__short-description\"\u003e\n\u003cp\u003eNEXUS LiFePO₄ modules (15kWh each) pair with the EG4 12000XP delivering 12,000W split-phase per inverter and up to 24,000W PV input, ideal for grid-tied or off-grid whole-home and commercial backup; systems scale from 15kWh to 225kWh and up to 36kW output. Featuring dual MPPTs, built-in breakers, a 15–30ms UPS transfer switch, and remote monitoring, they ensure seamless and efficient performance. Lightweight and transformer-free, they support smart load control, AC coupling, and peak shaving to reduce energy costs while providing reliable backup power.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"wp-block-heading has-text-align-center\" id=\"h-introducing-the-nexus\"\u003eIntroducing the Nexus\u003c\/h2\u003e\n\u003cdiv class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8296c1b3 wp-block-columns-is-layout-flex\"\u003e\n\u003cdiv class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"\u003e\n\u003cfigure class=\"wp-block-image size-large has-custom-border\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"853\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-1024x853.png\" alt=\"\" class=\"wp-image-196631\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-1024x853.png 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-300x250.png 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-768x640.png 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-1536x1280.png 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-990x825.png 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-441x367.png 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-813x677.png 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-1300x1083.png 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3-150x125.png 150w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-1-3.png 1875w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"\u003e\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\" id=\"h-sleek-amp-compact-design\"\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\u003c\/div\u003e\n\u003cdiv class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"\u003e\n\u003cfigure class=\"wp-block-image size-large has-custom-border\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"853\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-1024x853.png\" alt=\"\" class=\"wp-image-196628\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-1024x853.png 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-300x250.png 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-768x640.png 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-1536x1280.png 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-990x825.png 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-441x367.png 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-813x677.png 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-1300x1083.png 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5-150x125.png 150w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-5.png 1875w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"\u003e\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\" id=\"h-off-grid-energy-reliability\"\u003eOff-Grid Energy Reliability\u003c\/h3\u003e\n\u003cp\u003eWith 300Ah of capacity, 100A continuous discharge, and peak support up to 110A, 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\u003c\/div\u003e\n\u003cdiv class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"\u003e\n\u003cfigure class=\"wp-block-image size-large has-custom-border\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"853\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-1024x853.png\" alt=\"\" class=\"wp-image-183576\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-1024x853.png 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-813x677.png 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-150x125.png 150w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-1300x1083.png 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-300x250.png 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-768x640.png 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-1536x1280.png 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-990x825.png 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2-441x367.png 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Parallel-2.png 1875w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"\u003e\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\" id=\"h-modular-ess-that-grows-with-you\"\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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"wp-block-video\"\u003e\u003cvideo height=\"600\" width=\"1462\" autoplay=\"autoplay\" loop=\"loop\" muted=\"\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/10\/Product-Infographics-1-2.mp4\"\u003e\u003c\/video\u003e\u003c\/figure\u003e\n\u003cp class=\"has-text-align-center\"\u003e \u003c\/p\u003e\n\u003cp class=\"has-text-align-center\"\u003e \u003c\/p\u003e\n\u003cfigure class=\"wp-block-image alignwide size-large has-custom-border is-style-rounded\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"637\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-1024x637.jpg\" alt=\"\" class=\"wp-image-199123\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-1024x637.jpg 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-300x187.jpg 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-768x478.jpg 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-1536x955.jpg 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-2048x1274.jpg 2048w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-990x616.jpg 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-441x274.jpg 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-813x506.jpg 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-1300x809.jpg 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/48V-NEXUS-150x93.jpg 150w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"\u003e\u003c\/figure\u003e\n\u003cdiv aria-hidden=\"true\" class=\"wp-block-spacer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full has-custom-border\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1051\" 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\" alt=\"\" class=\"wp-image-182261\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-scaled.png 2560w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-scaled-813x334.png 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-scaled-150x62.png 150w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-scaled-1300x534.png 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-300x123.png 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-1024x420.png 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-768x315.png 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-1536x630.png 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-2048x840.png 2048w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-990x406.png 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Nexus-InfoGraphic-1-441x181.png 441w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\"\u003e\u003c\/figure\u003e\n\u003ch2 class=\"wp-block-heading has-text-align-left\" id=\"h-legacy-product-parallel-compatibility\"\u003e\u003cstrong\u003eLegacy Product Parallel Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cfigure class=\"wp-block-image size-full has-custom-border\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1051\" 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\" alt=\"\" class=\"wp-image-183503\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-scaled.png 2560w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-scaled-813x334.png 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-scaled-150x62.png 150w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-scaled-1300x534.png 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-300x123.png 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-1024x420.png 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-768x315.png 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-1536x630.png 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-2048x840.png 2048w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-990x406.png 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/07\/Product-Infographics-4-441x181.png 441w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\"\u003e\u003c\/figure\u003e\n\u003cp class=\"has-text-align-center\"\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\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Big Battery","offers":[{"title":"Default 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