{"product_id":"bigbattery-ethos-3x-expansion-kit","title":"BigBattery Ethos 3x Expansion Kit","description":"\u003ch1 data-section-id=\"1yjgtj\" data-start=\"0\" data-end=\"67\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2\" data-end=\"65\"\u003eBigBattery ETHOS 3× Expansion Kit (15.36kWh Add-On Storage)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp data-start=\"68\" data-end=\"136\"\u003e\u003cstrong data-start=\"68\" data-end=\"136\"\u003eModular Energy Expansion — Stack More Power, Stay Powered Longer\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"138\" data-end=\"141\"\u003e\n\u003ch3 data-section-id=\"10rmw79\" data-start=\"143\" data-end=\"159\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"147\" data-end=\"159\"\u003eOverview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"160\" data-end=\"493\"\u003eThe BigBattery ETHOS 3× Expansion Kit is designed to significantly increase your system’s energy storage capacity by adding \u003cstrong data-start=\"284\" data-end=\"332\"\u003e15.36kWh of additional LiFePO4 battery power\u003c\/strong\u003e. Built as a seamless extension of the ETHOS platform, this kit enables deeper energy independence, longer backup duration, and more efficient solar utilization.\u003c\/p\u003e\n\u003cp data-start=\"495\" data-end=\"644\"\u003eWith a modular, stackable design and rugged construction, it transforms your base system into a scalable energy solution ready for real-world demand.\u003c\/p\u003e\n\u003chr data-start=\"646\" data-end=\"649\"\u003e\n\u003ch3 data-section-id=\"1olay9\" data-start=\"651\" data-end=\"680\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"655\" data-end=\"680\"\u003eWhy This System Works\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"682\" data-end=\"1389\"\u003e\n\u003cli data-section-id=\"r8xwi1\" data-start=\"682\" data-end=\"776\"\u003e\n\u003cstrong data-start=\"684\" data-end=\"714\"\u003eMassive Capacity Expansion\u003c\/strong\u003e\u003cbr data-start=\"714\" data-end=\"717\"\u003eAdds \u003cstrong data-start=\"724\" data-end=\"736\"\u003e15.36kWh\u003c\/strong\u003e of storage with three 5.12kWh modules\u003c\/li\u003e\n\u003cli data-section-id=\"710wbg\" data-start=\"778\" data-end=\"875\"\u003e\n\u003cstrong data-start=\"780\" data-end=\"812\"\u003eScalable Energy Architecture\u003c\/strong\u003e\u003cbr data-start=\"812\" data-end=\"815\"\u003eExpand up to \u003cstrong data-start=\"830\" data-end=\"848\"\u003e4 total stacks\u003c\/strong\u003e for growing energy needs\u003c\/li\u003e\n\u003cli data-section-id=\"acc0ri\" data-start=\"877\" data-end=\"978\"\u003e\n\u003cstrong data-start=\"879\" data-end=\"917\"\u003eHigh-Performance LiFePO4 Chemistry\u003c\/strong\u003e\u003cbr data-start=\"917\" data-end=\"920\"\u003eLong lifespan, stable performance, and enhanced safety\u003c\/li\u003e\n\u003cli data-section-id=\"ufl7k6\" data-start=\"980\" data-end=\"1096\"\u003e\n\u003cstrong data-start=\"982\" data-end=\"1023\"\u003eSmart Battery Management System (BMS)\u003c\/strong\u003e\u003cbr data-start=\"1023\" data-end=\"1026\"\u003eEnsures cell balancing, system protection, and optimal performance\u003c\/li\u003e\n\u003cli data-section-id=\"23s2y0\" data-start=\"1098\" data-end=\"1188\"\u003e\n\u003cstrong data-start=\"1100\" data-end=\"1131\"\u003eWeatherproof IP65 Enclosure\u003c\/strong\u003e\u003cbr data-start=\"1131\" data-end=\"1134\"\u003eSuitable for both indoor and outdoor installations\u003c\/li\u003e\n\u003cli data-section-id=\"fxfetm\" data-start=\"1190\" data-end=\"1278\"\u003e\n\u003cstrong data-start=\"1192\" data-end=\"1223\"\u003eReal-Time System Monitoring\u003c\/strong\u003e\u003cbr data-start=\"1223\" data-end=\"1226\"\u003eIntegrated LED display provides live system data\u003c\/li\u003e\n\u003cli data-section-id=\"1q4m8tk\" data-start=\"1280\" data-end=\"1389\"\u003e\n\u003cstrong data-start=\"1282\" data-end=\"1320\"\u003eAdvanced Communication Integration\u003c\/strong\u003e\u003cbr data-start=\"1320\" data-end=\"1323\"\u003eCANBus and RS485 support for inverter and system compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1391\" data-end=\"1394\"\u003e\n\u003ch3 data-section-id=\"j7hvsn\" data-start=\"1396\" data-end=\"1415\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1400\" data-end=\"1415\"\u003eSystem Role\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1416\" data-end=\"1531\"\u003eFunctions as a \u003cstrong data-start=\"1431\" data-end=\"1458\"\u003emodular expansion layer\u003c\/strong\u003e for ETHOS energy systems, increasing total storage capacity and runtime.\u003c\/p\u003e\n\u003cp data-start=\"1533\" data-end=\"1549\"\u003eIntegrates with:\u003c\/p\u003e\n\u003cul data-start=\"1550\" data-end=\"1659\"\u003e\n\u003cli data-section-id=\"1wtcgeb\" data-start=\"1550\" data-end=\"1580\"\u003eETHOS base battery systems\u003c\/li\u003e\n\u003cli data-section-id=\"7vp8wi\" data-start=\"1581\" data-end=\"1601\"\u003eHybrid inverters\u003c\/li\u003e\n\u003cli data-section-id=\"10lcp7l\" data-start=\"1602\" data-end=\"1618\"\u003eSolar arrays\u003c\/li\u003e\n\u003cli data-section-id=\"1uyhns2\" data-start=\"1619\" data-end=\"1659\"\u003eWhole-home or off-grid energy setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1661\" data-end=\"1664\"\u003e\n\u003ch3 data-section-id=\"1reerq7\" data-start=\"1666\" data-end=\"1692\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1670\" data-end=\"1692\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1694\" data-end=\"2123\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1694\" data-end=\"1711\"\u003e\n\u003ctr data-start=\"1694\" data-end=\"1711\"\u003e\n\u003cth data-start=\"1694\" data-end=\"1701\" data-col-size=\"sm\" class=\"\"\u003eSpec\u003c\/th\u003e\n\u003cth data-start=\"1701\" data-end=\"1711\" data-col-size=\"sm\" class=\"\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1728\" data-end=\"2123\"\u003e\n\u003ctr data-start=\"1728\" data-end=\"1754\"\u003e\n\u003ctd data-start=\"1728\" data-end=\"1743\" data-col-size=\"sm\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd data-start=\"1743\" data-end=\"1754\" data-col-size=\"sm\"\u003eLiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1755\" data-end=\"1782\"\u003e\n\u003ctd data-start=\"1755\" data-end=\"1773\" data-col-size=\"sm\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd data-start=\"1773\" data-end=\"1782\" data-col-size=\"sm\"\u003e51.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1783\" data-end=\"1807\"\u003e\n\u003ctd data-start=\"1783\" data-end=\"1800\" data-col-size=\"sm\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd data-start=\"1800\" data-end=\"1807\" data-col-size=\"sm\"\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1808\" data-end=\"1841\"\u003e\n\u003ctd data-start=\"1808\" data-end=\"1829\" data-col-size=\"sm\"\u003eCapacity (Per Kit)\u003c\/td\u003e\n\u003ctd data-start=\"1829\" data-end=\"1841\" data-col-size=\"sm\"\u003e15.36kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1842\" data-end=\"1877\"\u003e\n\u003ctd data-start=\"1842\" data-end=\"1866\" data-col-size=\"sm\"\u003eCapacity (Per Module)\u003c\/td\u003e\n\u003ctd data-start=\"1866\" data-end=\"1877\" data-col-size=\"sm\"\u003e5.12kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1878\" data-end=\"1899\"\u003e\n\u003ctd data-start=\"1878\" data-end=\"1890\" data-col-size=\"sm\"\u003eAmp Hours\u003c\/td\u003e\n\u003ctd data-start=\"1890\" data-end=\"1899\" data-col-size=\"sm\"\u003e300Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1900\" data-end=\"1934\"\u003e\n\u003ctd data-start=\"1900\" data-end=\"1916\" data-col-size=\"sm\"\u003eExpandability\u003c\/td\u003e\n\u003ctd data-start=\"1916\" data-end=\"1934\" data-col-size=\"sm\"\u003eUp to 4 stacks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1935\" data-end=\"1969\"\u003e\n\u003ctd data-start=\"1935\" data-end=\"1951\" data-col-size=\"sm\"\u003eCommunication\u003c\/td\u003e\n\u003ctd data-start=\"1951\" data-end=\"1969\" data-col-size=\"sm\"\u003eCANBus \/ RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1970\" data-end=\"2013\"\u003e\n\u003ctd data-start=\"1970\" data-end=\"1990\" data-col-size=\"sm\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd data-start=\"1990\" data-end=\"2013\" data-col-size=\"sm\"\u003eIP65 (Weatherproof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2014\" data-end=\"2065\"\u003e\n\u003ctd data-start=\"2014\" data-end=\"2040\" data-col-size=\"sm\"\u003eDimensions (Per Module)\u003c\/td\u003e\n\u003ctd data-start=\"2040\" data-end=\"2065\" data-col-size=\"sm\"\u003e22.6\" × 16.5\" × 12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2066\" data-end=\"2099\"\u003e\n\u003ctd data-start=\"2066\" data-end=\"2087\" data-col-size=\"sm\"\u003eWeight (Total Kit)\u003c\/td\u003e\n\u003ctd data-start=\"2087\" data-end=\"2099\" data-col-size=\"sm\"\u003e~387 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2100\" data-end=\"2123\"\u003e\n\u003ctd data-start=\"2100\" data-end=\"2111\" data-col-size=\"sm\"\u003eWarranty\u003c\/td\u003e\n\u003ctd data-start=\"2111\" data-end=\"2123\" data-col-size=\"sm\"\u003e10 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2125\" data-end=\"2128\"\u003e\n\u003ch3 data-section-id=\"1spwv26\" data-start=\"2130\" data-end=\"2153\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2134\" data-end=\"2153\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2155\" data-end=\"2273\"\u003e\n\u003cli data-section-id=\"vcxoaf\" data-start=\"2155\" data-end=\"2192\"\u003e(3) 5.12kWh ETHOS Battery Modules\u003c\/li\u003e\n\u003cli data-section-id=\"im5udf\" data-start=\"2193\" data-end=\"2211\"\u003eIntegrated BMS\u003c\/li\u003e\n\u003cli data-section-id=\"4k8t75\" data-start=\"2212\" data-end=\"2248\"\u003eStackable Hardware \u0026amp; Connections\u003c\/li\u003e\n\u003cli data-section-id=\"1j6czl\" data-start=\"2249\" data-end=\"2273\"\u003eMonitoring Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2275\" data-end=\"2278\"\u003e\n\u003ch3 data-section-id=\"1bmktca\" data-start=\"2280\" data-end=\"2306\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2284\" data-end=\"2306\"\u003eIdeal Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2307\" data-end=\"2475\"\u003e\n\u003cli data-section-id=\"1o7bk0b\" data-start=\"2307\" data-end=\"2336\"\u003eWhole-home backup systems\u003c\/li\u003e\n\u003cli data-section-id=\"13sto09\" data-start=\"2337\" data-end=\"2371\"\u003eSolar energy storage expansion\u003c\/li\u003e\n\u003cli data-section-id=\"hsh45t\" data-start=\"2372\" data-end=\"2401\"\u003eOff-grid homes and cabins\u003c\/li\u003e\n\u003cli data-section-id=\"1nohtv0\" data-start=\"2402\" data-end=\"2432\"\u003eEnergy resilience upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"10hswts\" data-start=\"2433\" data-end=\"2475\"\u003eLoad-heavy or extended runtime systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2477\" data-end=\"2480\"\u003e\n\u003ch3 data-section-id=\"1kgcpwn\" data-start=\"2482\" data-end=\"2501\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2486\" data-end=\"2501\"\u003eBottom Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2502\" data-end=\"2668\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA powerful expansion kit that multiplies your energy storage capacity — giving you longer runtime, greater independence, and a system that grows as your needs evolve.\u003c\/p\u003e","brand":"Green Vista Living","offers":[{"title":"Default Title","offer_id":47782157779156,"sku":"K0699","price":3950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/3430\/1140\/files\/ethos-parallel-expansion-kit0699-65d33c39abbb0.webp?v=1775851573","url":"https:\/\/offgridhabitats.com\/products\/bigbattery-ethos-3x-expansion-kit","provider":"Off-Grid Habitats","version":"1.0","type":"link"}