{"product_id":"bigbattery-ethos-eg4-18kpv-hybrid-inverter-kit-10-24-30-72-kwh-whole-home-solar-ess","title":"BigBattery ETHOS + EG4 18kPV Hybrid Inverter Kit | 10.24–30.72 kWh | Whole-Home Solar ESS","description":"\u003cdiv data-savings-banner=\"bb-eg4\" style=\"background:linear-gradient(90deg,#1a2b45,#2c4a7c);color:#ffffff;padding:14px 18px;border-radius:8px;margin:0 0 16px 0;text-align:center;\"\u003e\n\u003cstrong style=\"font-size:16px;letter-spacing:0.5px;\"\u003e$250 Off Orders Over $5,000\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px;\"\u003eBigBattery and EG4 orders of $5,000 or more qualify for $250 off, applied automatically at checkout. No discount code required.\u003c\/span\u003e\n\u003c\/div\u003e\u003cp\u003ePair the stackable \u003cstrong\u003eBigBattery ETHOS\u003c\/strong\u003e LiFePO4 battery system with the \u003cstrong\u003eEG4 18kPV all-in-one hybrid inverter\u003c\/strong\u003e for a complete, scalable home energy storage system. The 18kPV accepts up to 18 kW of solar input and manages solar, battery, grid, and generator power from a single unit, while ETHOS modules stack to match your backup needs — from 10.24 kWh for essentials to 30.72 kWh for whole-home coverage.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × EG4 18kPV all-in-one hybrid solar inverter (18 kW PV input)\u003c\/li\u003e\n\u003cli\u003eYour choice of 2, 3, 4, or 6 × BigBattery ETHOS 48V 5.12 kWh LiFePO4 battery modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety-certified battery platform:\u003c\/strong\u003e ETHOS modules are built on UL1973-listed cells with UL9540A-tested design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStackable capacity:\u003c\/strong\u003e tower-style modules make it practical to add capacity over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-in-one inverter:\u003c\/strong\u003e hybrid operation supports solar self-consumption, battery backup, and grid interaction in one unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO4 chemistry:\u003c\/strong\u003e a stable lithium chemistry widely used for home energy storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cp\u003eChoose your capacity from the Battery Configuration menu — the price shown is for the complete kit. Ships by freight carrier; delivery timing is confirmed once your order is accepted. Installation by a licensed electrician is recommended, and local permitting requirements apply to home energy storage installations.\u003c\/p\u003e","brand":"BigBattery","offers":[{"title":"2 × ETHOS — 10.24 kWh","offer_id":49051014824091,"sku":"K0954","price":7755.0,"currency_code":"USD","in_stock":true},{"title":"3 × ETHOS — 15.36 kWh","offer_id":49051014856859,"sku":"K0955","price":9015.0,"currency_code":"USD","in_stock":true},{"title":"4 × ETHOS — 20.48 kWh","offer_id":49051014889627,"sku":"K0956","price":10490.0,"currency_code":"USD","in_stock":true},{"title":"6 × ETHOS — 30.72 kWh","offer_id":49051014922395,"sku":"K0957","price":12094.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/0614\/9787\/files\/10-kWh-x2-Batteries-KIT0954-V2.png?v=1784676093","url":"https:\/\/offgridhorizon.com\/products\/bigbattery-ethos-eg4-18kpv-hybrid-inverter-kit-10-24-30-72-kwh-whole-home-solar-ess","provider":"OffGrid Horizon","version":"1.0","type":"link"}