{"product_id":"1x-flexboss18-3x-ethos","title":"3x ETHOS + EG4 FLEXBOSS18 ESS Grid-Tied System","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\u003eThe \u003cb\u003eBigBattery ETHOS + EG4 FlexBOSS18\u003c\/b\u003e system combines modular, UL-certified 48V lithium storage with a powerful hybrid inverter for a complete home or small commercial energy solution. ETHOS delivers scalable capacity, intelligent management, and a \u003cb\u003e12-year warranty\u003c\/b\u003e for long-lasting, maintenance-free energy independence, while FlexBOSS18 provides up to \u003cb\u003e18,000W PV input\u003c\/b\u003e, dual MPPTs, and \u003cb\u003e90A grid feed-through at 120\/240VAC\u003c\/b\u003e for flexible design and strong grid-tied performance. Integrated with the GridBOSS MID gateway, it supports smart load management, AC coupling, and generator input, with built-in rapid shutdown, ground fault, and arc fault protection plus Wi-Fi monitoring and mobile alerts for safe, efficient, and future-ready power.\u003c\/p\u003e\n\u003cp class=\"bb-justify-between\"\u003e\u003cstrong\u003eItems Included SKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"bb-items-included-frontend\"\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2023\/11\/ETHOS-Stackable-Type-Module-150x150.png\" alt=\"BigBattery ETHOS | 48V - 5.1kWh | UL1973 | Home Battery Backup LFP\" class=\"bb-item-img\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e3x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003eBigBattery ETHOS | 48V - 5.1kWh | UL1973 | Home Battery Backup LFP\u003c\/span\u003e\u003cspan class=\"bb-item-sku\"\u003eFETHS-48051-G1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2023\/11\/ETHOS-Battery-Junction-Box-150x150.png\" alt=\"ETHOS Control Box\" class=\"bb-item-img\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e1x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003eETHOS Control Box\u003c\/span\u003e\u003cspan class=\"bb-item-sku\"\u003eCNT060\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FLEXBOSS18-3-150x150.png\" alt=\"EG4 FlexBOSS18 Hybrid Solar Inverter | 18kW PV \/ 13kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring\" class=\"bb-item-img\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e1x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003eEG4 FlexBOSS18 Hybrid Solar Inverter | 18kW PV \/ 13kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring\u003c\/span\u003e\u003cspan class=\"bb-item-sku\"\u003eINV031\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2023\/11\/Ethos-Controller-Cables-1220mm-150x150.png\" alt=\"15kWh Ethos Controller to Battery Power Cable 4ft (1220mm)\" class=\"bb-item-img\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e1x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003e15kWh Ethos Controller to Battery Power Cable 4ft (1220mm)\u003c\/span\u003e\u003cspan class=\"bb-item-sku\"\u003eCBL091\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-sku\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cdiv class=\"column active\" data-column=\"battery\"\u003e\n\u003cdiv class=\"download-table\"\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\"\u003eK0230, K0231, K0232, K0233, K0234, K0235, K0236, K0237, K0238, K0239, K0240\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSpec Sheet:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/11\/ETHOS-NEW-SpecSheet-1.5-BatteryCB.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\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 class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/ETHOSManual-halfletter-V1.5.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL9540 Certificate – BigBattery ETHOS + EG4 FlexBOSS18:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2023\/11\/ETHOS-NEW-COC.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL9540A Certificate:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/UL9540A-Certificate-1.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL1973 Certificate:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/02\/UL1973-ETHOS.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUN38.3 Certificate:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/48V-ETHOS-DOC-UN38.3.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSafety Data Sheet:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2023\/11\/SDS_BigBattery_LFP-1.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCEC Listing – BigBattery ETHOS + EG4 FlexBOSS18:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/solarequipment.energy.ca.gov\/Home\/EnergyStorage?ManufacturerID=BigBattery%2C+Inc.\u0026amp;amp;ModelNameID=-1\u0026amp;amp;Submit=Search\u0026amp;amp;Rows=25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/gotolink.png\" alt=\"Go to link\"\u003eGO TO LINK\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"download-table\"\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003e\u003c\/h2\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\"\u003eGTIN-12 (U.P.C.):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e850061252005\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\"\u003ekWh Capacity:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e10.24kWh\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\"\u003e200Ah\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\"\u003e55.6 – 57V\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\"\u003e57V\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\"\u003e48 – 57V\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\"\u003e48 – 50.8V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eBMS Cutoff Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e42 – 47V\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\"\u003e16S 2P\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Continuous Discharge Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e200A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax Continuous Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e10240W\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\"\u003e300A (Max 5 seconds)\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\"\u003e200A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCharge Temperature Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e32°F – 113°F (0°C – 45°C)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDischarge Temperature Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e-4°F – 140°F (-20°C – 60°C)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOptimal Discharge Temperature Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e59°F – 95°F (15°C – 35°C)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eStorage Temperature Range (SoC \u0026gt;50%):\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e-4°F – 113°F (-20°C – 45°C)(Max 6 months)\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\"\u003e273 lb (123.8 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\"\u003e6.7 in (170 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\"\u003e26.5 in (674 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\"\u003e43.3 in (1100 mm)\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\"\u003eUp to (16) parallel connections per control box\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\"\u003eIP65 \/ NEMA 4X\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\"\u003eCANBus \/ RS485\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCertifications:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eUL9540, UL9540A, UL1973, \u0026amp; UN38.3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column\" data-column=\"inverter\"\u003e\n\u003cdiv class=\"download-table\"\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003e\u003c\/h2\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\"\u003eK0230, K0231, K0232, K0233, K0234, K0235, K0236, K0237, K0238, K0239, K0240\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSpec Sheet:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/EG4-FlexBOSS18-Hybrid-Inverter-Spec-Sheet.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\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 class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/EG4-FlexBOSS18-Hybrid-Inverter-User-Manual.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\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 class=\"download-btn\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/EG4-FlexBOSS18-UL-1741-Certificate-of-Compliance.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" alt=\"Download\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCEC Listing – BigBattery ETHOS + EG4 FlexBOSS18:\u003c\/span\u003e\u003ca class=\"download-btn\" href=\"https:\/\/solarequipment.energy.ca.gov\/Home\/EnergyStorage?ManufacturerID=EG4+Electronics+LLC\u0026amp;amp;ModelNameID=-1\u0026amp;amp;Submit=Search\u0026amp;amp;Rows=25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/gotolink.png\" alt=\"Go to link\"\u003eGO TO LINK\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"download-table\"\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:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e60 Hz (Default) | 50 Hz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax. AC Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e54A @ 240V | 54A @ 208V\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\"\u003e13000W\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax. AC Bypass:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e90A\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\"\u003e180 – 270VAC\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 | 120\/208VAC (L1\/L2\/N required)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax. Output Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e66.7A\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\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\"\u003e16000W @ 240V | 13800kW @ 208V\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 (Full Load)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eReactive Power Adjustment Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e-0.8 – 0.8 Leading Adjustable\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;5% (Full Load)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eTransfer Time:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e20ms (Default) | 10ms (Configurable) | 20ms (Parallel)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eRated Output Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e50A @ 240V | 57.7A @ 208V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNominal Output Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e120\/240VAC | 120\/208VAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eRated Output Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e12000W @ 240VAC | 12000W @ 208VAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003ePeak Power:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e20000W (0.5 sec) | 15000W (1 sec)\u003cbr\u003e12500W (6 min) | 11000W (12 min)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOperating Frequency:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e60 Hz (Default) | 50 Hz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eTotal Harmonic Distortion Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;5%\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eNo. of MPPTs:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eInputs per MPPT:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e2 (MPPT 1) | 2 (MPPT 2)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax. Usable Input Current:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e26A (MPPT 1) | 26A (MPPT 2)\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\"\u003e31A (MPPT 1) | 31A (MPPT 2)\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 – 600VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUnit Start-Up Voltage:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e200VDC\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 – 440VDC\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\"\u003e360VDC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax. Utilized PV Array Power:18\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e18000W\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\"\u003e18000W\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eMax. Efficiency:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e97.5% (PV to Grid) | 94.5% (PV to Battery) | 94% (Battery to Grid)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eIdle Consumption:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e\u0026lt;65W\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\"\u003eVoltage Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e40 – 60VDC\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\"\u003e10000W\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;300Ah\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOperating \/ Storage Temperature Range:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003e-13ºF – 140ºF (-25ºC – 60ºC)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eOperating Altitude:\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\"\u003e0 – 100%\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;50dB @ 3 ft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eDesign Topology:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eHigh-Frequency \/ Transformerless\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\"\u003eIP65 \/ NEMA 4X\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 \/ CANBus \/ WiFi \/ 4G\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\"\u003e10\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\"\u003e115 lbs (52 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\"\u003e11.2 in (287 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\"\u003e22.8 in (567 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\"\u003e30.5 in (775 mm)\u003c\/span\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","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":45171958120502,"sku":"K0231","price":7575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/1275\/7558\/files\/204-2.png?v=1774626947","url":"https:\/\/stellarstarsolarsolutions.com\/products\/1x-flexboss18-3x-ethos","provider":"Stellar Star Solar Solutions","version":"1.0","type":"link"}