{"product_id":"bigbattery-ethos-2x-expansion-kit","title":"BigBattery Ethos 2x Expansion Kit","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69e3a9de-80b0-8329-a054-271549d1a417-54\" data-testid=\"conversation-turn-544\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"5e17f608-eb71-42e2-950a-9f39475c7474\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch1 data-section-id=\"1reqa0w\" data-start=\"0\" data-end=\"67\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2\" data-end=\"65\"\u003eBigBattery ETHOS 2× Expansion Kit (10.24kWh 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 Boost — Double Your Capacity, Extend Your Runtime\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=\"441\"\u003eThe BigBattery ETHOS 2× Expansion Kit is designed to seamlessly expand your existing ETHOS energy system by adding \u003cstrong data-start=\"275\" data-end=\"317\"\u003e10.24kWh of additional LiFePO4 storage\u003c\/strong\u003e. Built with the same modular architecture, this kit allows you to scale your system quickly without redesigning your setup.\u003c\/p\u003e\n\u003cp data-start=\"443\" data-end=\"551\"\u003eIt’s the cleanest way to go from “covered” to “comfortable” when it comes to backup power and solar storage.\u003c\/p\u003e\n\u003chr data-start=\"553\" data-end=\"556\"\u003e\n\u003ch3 data-section-id=\"1olay9\" data-start=\"558\" data-end=\"587\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"562\" data-end=\"587\"\u003eWhy This System Works\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"589\" data-end=\"1349\"\u003e\n\u003cli data-section-id=\"1dvstzg\" data-start=\"589\" data-end=\"690\"\u003e\n\u003cstrong data-start=\"591\" data-end=\"619\"\u003eInstant Capacity Upgrade\u003c\/strong\u003e\u003cbr data-start=\"619\" data-end=\"622\"\u003eAdds \u003cstrong data-start=\"629\" data-end=\"641\"\u003e10.24kWh\u003c\/strong\u003e of usable energy to your existing ETHOS system\u003c\/li\u003e\n\u003cli data-section-id=\"1imnuqu\" data-start=\"692\" data-end=\"771\"\u003e\n\u003cstrong data-start=\"694\" data-end=\"718\"\u003eSeamless Integration\u003c\/strong\u003e\u003cbr data-start=\"718\" data-end=\"721\"\u003eFully compatible with all ETHOS configurations\u003c\/li\u003e\n\u003cli data-section-id=\"8p7k9p\" data-start=\"773\" data-end=\"854\"\u003e\n\u003cstrong data-start=\"775\" data-end=\"805\"\u003eModular \u0026amp; Stackable Design\u003c\/strong\u003e\u003cbr data-start=\"805\" data-end=\"808\"\u003eExpand in stages as your energy needs grow\u003c\/li\u003e\n\u003cli data-section-id=\"1x2y65n\" data-start=\"856\" data-end=\"948\"\u003e\n\u003cstrong data-start=\"858\" data-end=\"888\"\u003eReliable LiFePO4 Chemistry\u003c\/strong\u003e\u003cbr data-start=\"888\" data-end=\"891\"\u003eLong lifespan, safe operation, and stable performance\u003c\/li\u003e\n\u003cli data-section-id=\"7tnhg9\" data-start=\"950\" data-end=\"1057\"\u003e\n\u003cstrong data-start=\"952\" data-end=\"993\"\u003eSmart Battery Management System (BMS)\u003c\/strong\u003e\u003cbr data-start=\"993\" data-end=\"996\"\u003eEnsures balanced cells, efficiency, and system protection\u003c\/li\u003e\n\u003cli data-section-id=\"xngj9l\" data-start=\"1059\" data-end=\"1139\"\u003e\n\u003cstrong data-start=\"1061\" data-end=\"1089\"\u003eAll-Weather Rated (IP65)\u003c\/strong\u003e\u003cbr data-start=\"1089\" data-end=\"1092\"\u003eSuitable for indoor or outdoor installation\u003c\/li\u003e\n\u003cli data-section-id=\"10jkpk4\" data-start=\"1141\" data-end=\"1235\"\u003e\n\u003cstrong data-start=\"1143\" data-end=\"1167\"\u003eReal-Time Monitoring\u003c\/strong\u003e\u003cbr data-start=\"1167\" data-end=\"1170\"\u003eLED interface provides system visibility and performance data\u003c\/li\u003e\n\u003cli data-section-id=\"17ywo6x\" data-start=\"1237\" data-end=\"1349\"\u003e\n\u003cstrong data-start=\"1239\" data-end=\"1279\"\u003eAdvanced Communication Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1279\" data-end=\"1282\"\u003eCANBus and RS485 integration with inverters and system controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1351\" data-end=\"1354\"\u003e\n\u003ch3 data-section-id=\"j7hvsn\" data-start=\"1356\" data-end=\"1375\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1360\" data-end=\"1375\"\u003eSystem Role\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1376\" data-end=\"1483\"\u003eFunctions as a \u003cstrong data-start=\"1391\" data-end=\"1419\"\u003ecapacity expansion layer\u003c\/strong\u003e, increasing total storage and runtime for ETHOS energy systems.\u003c\/p\u003e\n\u003cp data-start=\"1485\" data-end=\"1501\"\u003eIntegrates with:\u003c\/p\u003e\n\u003cul data-start=\"1502\" data-end=\"1603\"\u003e\n\u003cli data-section-id=\"zl1ay6\" data-start=\"1502\" data-end=\"1524\"\u003eETHOS base systems\u003c\/li\u003e\n\u003cli data-section-id=\"10lcp7l\" data-start=\"1525\" data-end=\"1541\"\u003eSolar arrays\u003c\/li\u003e\n\u003cli data-section-id=\"7vp8wi\" data-start=\"1542\" data-end=\"1562\"\u003eHybrid inverters\u003c\/li\u003e\n\u003cli data-section-id=\"1uyhns2\" data-start=\"1563\" data-end=\"1603\"\u003eWhole-home or off-grid energy setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1605\" data-end=\"1608\"\u003e\n\u003ch3 data-section-id=\"1reerq7\" data-start=\"1610\" data-end=\"1636\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1614\" data-end=\"1636\"\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=\"1638\" data-end=\"1971\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1638\" data-end=\"1655\"\u003e\n\u003ctr data-start=\"1638\" data-end=\"1655\"\u003e\n\u003cth data-start=\"1638\" data-end=\"1645\" data-col-size=\"sm\" class=\"\"\u003eSpec\u003c\/th\u003e\n\u003cth data-start=\"1645\" data-end=\"1655\" data-col-size=\"sm\" class=\"\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1672\" data-end=\"1971\"\u003e\n\u003ctr data-start=\"1672\" data-end=\"1698\"\u003e\n\u003ctd data-start=\"1672\" data-end=\"1687\" data-col-size=\"sm\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd data-start=\"1687\" data-end=\"1698\" data-col-size=\"sm\"\u003eLiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1699\" data-end=\"1726\"\u003e\n\u003ctd data-start=\"1699\" data-end=\"1717\" data-col-size=\"sm\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd data-start=\"1717\" data-end=\"1726\" data-col-size=\"sm\"\u003e51.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1727\" data-end=\"1751\"\u003e\n\u003ctd data-start=\"1727\" data-end=\"1744\" data-col-size=\"sm\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd data-start=\"1744\" data-end=\"1751\" data-col-size=\"sm\"\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1752\" data-end=\"1785\"\u003e\n\u003ctd data-start=\"1752\" data-end=\"1773\" data-col-size=\"sm\"\u003eCapacity (Per Kit)\u003c\/td\u003e\n\u003ctd data-start=\"1773\" data-end=\"1785\" data-col-size=\"sm\"\u003e10.24kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1786\" data-end=\"1807\"\u003e\n\u003ctd data-start=\"1786\" data-end=\"1798\" data-col-size=\"sm\"\u003eAmp Hours\u003c\/td\u003e\n\u003ctd data-start=\"1798\" data-end=\"1807\" data-col-size=\"sm\"\u003e200Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1808\" data-end=\"1847\"\u003e\n\u003ctd data-start=\"1808\" data-end=\"1833\" data-col-size=\"sm\"\u003eCharging Voltage Range\u003c\/td\u003e\n\u003ctd data-start=\"1833\" data-end=\"1847\" data-col-size=\"sm\"\u003e55.6 – 57V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1848\" data-end=\"1876\"\u003e\n\u003ctd data-start=\"1848\" data-end=\"1868\" data-col-size=\"sm\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd data-start=\"1868\" data-end=\"1876\" data-col-size=\"sm\"\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1877\" data-end=\"1911\"\u003e\n\u003ctd data-start=\"1877\" data-end=\"1893\" data-col-size=\"sm\"\u003eCommunication\u003c\/td\u003e\n\u003ctd data-start=\"1893\" data-end=\"1911\" data-col-size=\"sm\"\u003eCANBus \/ RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1912\" data-end=\"1950\"\u003e\n\u003ctd data-start=\"1912\" data-end=\"1925\" data-col-size=\"sm\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-start=\"1925\" data-end=\"1950\" data-col-size=\"sm\"\u003e20.5\" × 19.3\" × 12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1951\" data-end=\"1971\"\u003e\n\u003ctd data-start=\"1951\" data-end=\"1960\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"1960\" data-end=\"1971\" data-col-size=\"sm\"\u003e273 lbs\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=\"1973\" data-end=\"1976\"\u003e\n\u003ch3 data-section-id=\"1spwv26\" data-start=\"1978\" data-end=\"2001\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1982\" data-end=\"2001\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2003\" data-end=\"2097\"\u003e\n\u003cli data-section-id=\"1iowzo6\" data-start=\"2003\" data-end=\"2040\"\u003e(2) 5.12kWh ETHOS Battery Modules\u003c\/li\u003e\n\u003cli data-section-id=\"fpuoaw\" data-start=\"2041\" data-end=\"2065\"\u003eIntegration Hardware\u003c\/li\u003e\n\u003cli data-section-id=\"178a8o6\" data-start=\"2066\" data-end=\"2097\"\u003eCommunication Compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2099\" data-end=\"2102\"\u003e\n\u003ch3 data-section-id=\"1bmktca\" data-start=\"2104\" data-end=\"2130\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2108\" data-end=\"2130\"\u003eIdeal Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2131\" data-end=\"2300\"\u003e\n\u003cli data-section-id=\"1anuppe\" data-start=\"2131\" data-end=\"2166\"\u003eExpanding solar storage systems\u003c\/li\u003e\n\u003cli data-section-id=\"1o1tp4s\" data-start=\"2167\" data-end=\"2195\"\u003eExtending backup runtime\u003c\/li\u003e\n\u003cli data-section-id=\"1mz36qb\" data-start=\"2196\" data-end=\"2224\"\u003eOff-grid energy upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"1dco1kk\" data-start=\"2225\" data-end=\"2257\"\u003ePeak load management systems\u003c\/li\u003e\n\u003cli data-section-id=\"9qlvzd\" data-start=\"2258\" data-end=\"2300\"\u003eResidential energy independence builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2302\" data-end=\"2305\"\u003e\n\u003ch3 data-section-id=\"1kgcpwn\" data-start=\"2307\" data-end=\"2326\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2311\" data-end=\"2326\"\u003eBottom Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2327\" data-end=\"2484\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA clean, scalable upgrade that doubles your storage capacity — giving your system more endurance, more flexibility, and more control over your energy future.\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\/section\u003e","brand":"Green Vista Living","offers":[{"title":"Default Title","offer_id":47782156665044,"sku":"K0698","price":2759.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/3430\/1140\/files\/ChatGPT_Image_May_1_2026_05_40_40_PM.png?v=1777682866","url":"https:\/\/offgridhabitats.com\/products\/bigbattery-ethos-2x-expansion-kit","provider":"Off-Grid Habitats","version":"1.0","type":"link"}