{"product_id":"bigbattery-ethos-eg4-flexboss18-kit-10-24-30-72-kwh-split-phase-home-ess","title":"BigBattery ETHOS + EG4 FlexBOSS18 Kit | 10.24–30.72 kWh | Split-Phase Home 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\u003eThis kit combines stackable \u003cstrong\u003eBigBattery ETHOS\u003c\/strong\u003e LiFePO4 batteries with the \u003cstrong\u003eEG4 FlexBOSS18 hybrid inverter\u003c\/strong\u003e — 18 kW of PV input and 13 kW of split-phase AC output with three MPPTs, scalable design, and remote Wi-Fi monitoring. Start at 10.24 kWh of storage and configure up to 30.72 kWh for extended backup.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × EG4 FlexBOSS18 hybrid solar inverter (18 kW PV \/ 13 kW AC, split-phase, 3 MPPT)\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\u003eSplit-phase 120\/240V output\u003c\/strong\u003e for standard North American home circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree MPPT inputs\u003c\/strong\u003e give flexibility for arrays on multiple roof faces.\u003c\/li\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\u003eRemote monitoring:\u003c\/strong\u003e track production and battery state from the app via Wi-Fi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalable:\u003c\/strong\u003e stack additional ETHOS modules as your needs grow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cp\u003eSelect your storage capacity from the Battery Configuration menu — pricing shown is for the complete kit. Ships by freight carrier; delivery timing is confirmed once your order is accepted. Professional installation by a licensed electrician is recommended.\u003c\/p\u003e","brand":"BigBattery","offers":[{"title":"2 × ETHOS — 10.24 kWh","offer_id":49051015938203,"sku":"K0230","price":6055.0,"currency_code":"USD","in_stock":true},{"title":"3 × ETHOS — 15.36 kWh","offer_id":49051015970971,"sku":"K0231","price":7315.0,"currency_code":"USD","in_stock":true},{"title":"4 × ETHOS — 20.48 kWh","offer_id":49051016003739,"sku":"K0232","price":8790.0,"currency_code":"USD","in_stock":true},{"title":"6 × ETHOS — 30.72 kWh","offer_id":49051016036507,"sku":"K0233","price":11290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/0614\/9787\/files\/203-2.png?v=1784676118","url":"https:\/\/offgridhorizon.com\/products\/bigbattery-ethos-eg4-flexboss18-kit-10-24-30-72-kwh-split-phase-home-ess","provider":"OffGrid Horizon","version":"1.0","type":"link"}