{"product_id":"bigbattery-nexus-eg4-6000xp-k0152","title":"BigBattery | Nexus + EG4 6000XP | K0152","description":"\u003ch2\u003eNEXUS LiFePO₄ Battery + EG4 6000XP Inverter System\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNEXUS 15kWh LiFePO₄ battery modules\u003c\/strong\u003e pair seamlessly with the \u003cstrong\u003eEG4 6000XP inverter\u003c\/strong\u003e, delivering a robust and scalable energy storage solution for \u003cstrong\u003egrid-tied, off-grid, and backup power applications\u003c\/strong\u003e. Each inverter provides \u003cstrong\u003e6,000W of split-phase 120\/240V output\u003c\/strong\u003e with support for up to \u003cstrong\u003e8,000W of solar PV input\u003c\/strong\u003e, making the system well-suited for residential and light commercial installations.\u003c\/p\u003e\n\u003cp\u003eDesigned to grow with your needs, systems can scale from a single \u003cstrong\u003e15kWh battery\u003c\/strong\u003e up to \u003cstrong\u003e225kWh of total storage\u003c\/strong\u003e, while supporting \u003cstrong\u003eup to 18kW of combined inverter output\u003c\/strong\u003e. Whether used for full off-grid living or grid-connected backup, the NEXUS + EG4 platform delivers dependable, high-efficiency power.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHigh-Performance Hybrid Inverter Capabilities\u003c\/h2\u003e\n\u003cp\u003eThe EG4 6000XP inverter features \u003cstrong\u003edual MPPT solar inputs\u003c\/strong\u003e, integrated circuit breakers, and a \u003cstrong\u003efast UPS transfer time of 15–30 milliseconds\u003c\/strong\u003e, ensuring uninterrupted power delivery during grid outages. With \u003cstrong\u003eremote monitoring\u003c\/strong\u003e, advanced power management, and transformer-free architecture, the system provides high efficiency in a compact and lightweight form factor.\u003c\/p\u003e\n\u003cp\u003eAdditional capabilities include \u003cstrong\u003esmart load control\u003c\/strong\u003e, \u003cstrong\u003eAC coupling\u003c\/strong\u003e, and \u003cstrong\u003epeak shaving\u003c\/strong\u003e, allowing users to reduce energy costs while maintaining reliable backup power and optimal system performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSleek, Compact, and Installer-Friendly Design\u003c\/h2\u003e\n\u003cp\u003eThe NEXUS battery system features a \u003cstrong\u003estackable, space-efficient design\u003c\/strong\u003e, complete with the necessary hardware for a streamlined installation. Engineered for durability in off-grid environments, the system minimizes setup time while delivering consistent, dependable power when it matters most.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOff-Grid Energy Reliability\u003c\/h2\u003e\n\u003cp\u003eEach NEXUS module delivers \u003cstrong\u003e300Ah of capacity\u003c\/strong\u003e, supporting \u003cstrong\u003e140A maximum continuous discharge\u003c\/strong\u003e and \u003cstrong\u003e270A peak discharge (1 second)\u003c\/strong\u003e to handle high-demand loads with ease. Advanced thermal management allows charging between \u003cstrong\u003e32°F and 113°F\u003c\/strong\u003e and discharging down to \u003cstrong\u003e-4°F\u003c\/strong\u003e, making NEXUS a true \u003cstrong\u003eall-weather energy storage solution\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eModular ESS That Grows With You\u003c\/h2\u003e\n\u003cp\u003eNEXUS supports \u003cstrong\u003eparallel expansion of up to 15 battery modules\u003c\/strong\u003e, enabling \u003cstrong\u003e225kWh of total capacity per inverter\u003c\/strong\u003e. With integrated \u003cstrong\u003eRS485, CAN, and RJ45 communication ports\u003c\/strong\u003e, the system is ready to integrate into both new and existing inverter setups—providing full system visibility, automation, and intelligent control.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLegacy Product Parallel Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe NEXUS battery system is \u003cstrong\u003efully compatible and parallel-capable with all KONG and GRIZ products purchased between 2019 and 2024\u003c\/strong\u003e, protecting prior investments while enabling seamless system upgrades.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBattery Specifications – NEXUS 15kWh\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Voltage:\u003c\/strong\u003e 48V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 51.2V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChemistry:\u003c\/strong\u003e LiFePO₄\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUsable Energy:\u003c\/strong\u003e 15kWh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 300Ah\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCell Configuration:\u003c\/strong\u003e 16S1P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Continuous Discharge:\u003c\/strong\u003e 140A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Continuous Power:\u003c\/strong\u003e 7.6kW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePeak Discharge Current:\u003c\/strong\u003e 270A (1s)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Charge Current:\u003c\/strong\u003e 140A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCharge Voltage Range:\u003c\/strong\u003e 53.5V–57.6V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Voltage Range:\u003c\/strong\u003e 48V–57.6V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Charge Voltage:\u003c\/strong\u003e 57.9V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuggested Low Voltage Cutoff:\u003c\/strong\u003e 50.8V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCharge Temperature Range:\u003c\/strong\u003e 32°F to 113°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDischarge Temperature Range:\u003c\/strong\u003e -4°F to 113°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimal Discharge Temperature:\u003c\/strong\u003e 59°F to 95°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature (SoC \u0026gt;50%):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 month: -4°F to 113°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3 months: -4°F to 95°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6 months: -4°F to 77°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHumidity:\u003c\/strong\u003e 10%–95% (non-condensing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~315 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WxHxD):\u003c\/strong\u003e 19.7 × 27.5 × 15.7 in (500 × 700 × 400 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAltitude Limit:\u003c\/strong\u003e \u0026lt;2000m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Parallel Connections:\u003c\/strong\u003e 15 (up to 225kWh)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunications:\u003c\/strong\u003e RS485 \/ RJ45 \/ CAN\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP21\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Indoor, floor-standing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInverter Specifications – EG4 6000XP\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAC Voltage:\u003c\/strong\u003e 120V \/ 240V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAC Frequency:\u003c\/strong\u003e 50Hz \/ 60Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 6,000W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e12,000W (3.5 sec)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e11,000W (5 sec)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Continuous Output Current:\u003c\/strong\u003e 25A @ 240V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Factor:\u003c\/strong\u003e 0.99 (full load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e \u0026lt;3%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSwitching Time:\u003c\/strong\u003e \u0026lt;15 ms (single) \/ \u0026lt;30 ms (parallel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMPPTs:\u003c\/strong\u003e 2 (1 input per MPPT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax PV Input Power:\u003c\/strong\u003e 8,000W (4,000W per MPPT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMPPT Efficiency:\u003c\/strong\u003e 99%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Voltage Range:\u003c\/strong\u003e 46.4–60V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Discharge Current:\u003c\/strong\u003e 140A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Charge Current:\u003c\/strong\u003e 125A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 32°F–113°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNoise:\u003c\/strong\u003e \u0026lt;58 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Parallel Connections:\u003c\/strong\u003e 16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 52.9 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18 × 25.5 × 5.25 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":51546792100127,"sku":"K0152","price":4590.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/1965\/5199\/files\/EG4-6000XP-NEXUS-1.png?v=1770267967","url":"https:\/\/offgridselection.com\/products\/bigbattery-nexus-eg4-6000xp-k0152","provider":"Off Grid Selection","version":"1.0","type":"link"}