{"product_id":"24kw-20-4kwh-ethos-energy-storage-system-ess","title":"Big Battery 24kW 20.4kWh ETHOS Energy Storage System (ESS) - K0958","description":"\u003ch2\u003e\u003cspan\u003eBig Battery 24kW 20.4kWh ETHOS Energy Storage System (ESS) - K0958\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eREVOLUTIONIZING RESIDENTIAL ESS! BigBattery’s 48V ETHOS systems are here, and this 20kWh outdoor configuration is the ideal solution for grid-tied power in your family home, cabin, or mansion, supported by comprehensive safety, reliability, and state-of-the-art features.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ETHOS System was built to be a versatile home power solution, with a stackable, modular design for easy expandability, and all hardware included to mount your ETHOS in your garage, shed, or exterior wall with an effortless installation. The ETHOS comes equipped with an IP65-rated casing, an internal fire suppression system, as well as an advanced BMS with auto cell-balancing to ensure long-lasting safety and reliability. Plus, its control box features an interDraft LED display, along with CANBus and RS485 communication protocols, so you can always monitor the status and performance of your power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBut that’s not all. We pair this ETHOS system with 2 cutting-edge 12000W Lux inverters, which feature their own LCD touch screen displays, \u003c\/span\u003e\u003cspan\u003e3 MPPT inputs each, integrated UPS modules for seamless on and off-grid switching, and the ability to handle PV arrays of up to 36000W. Plus, through their smart load control, AC coupling abilities, and peak shaving functions, you can meet your power needs and protect your home against unstable grids or rolling blackouts, while seeing huge savings each month on your electric bill.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you’re looking to ensure emergency backup power is always available, or you’re looking to outfit your home with a powerful solar system, the ETHOS ensures reliable, efficient power delivery day in and day out, allowing you to save on utilities, or get rewarded for giving back to the grid through net metering programs and other tax incentives. Take control of your home’s power and shop the 48V ETHOS today!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eIncluded \u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e4 × 48V ETHOS 5.12kWh Stackable Battery Module\u003c\/li\u003e\n\u003cli\u003e2 × ETHOS Control Box\u003c\/li\u003e\n\u003cli\u003e2 × LUXPower 12kW (18kPV) Hybrid Inverter\u003c\/li\u003e\n\u003cli\u003e2 × 10kWh Ethos Controller to Battery Power Cable 31.5\" inch (800mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"101\" data-end=\"279\"\u003e\n\u003cp data-start=\"103\" data-end=\"279\"\u003e\u003cstrong data-start=\"103\" data-end=\"136\"\u003eCompact Yet Powerful Storage:\u003c\/strong\u003e With 20.4 kWh capacity and 24 kW output, it offers a balanced energy storage option suitable for small homes, cabins, or backup power needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"280\" data-end=\"441\"\u003e\n\u003cp data-start=\"282\" data-end=\"441\"\u003e\u003cstrong data-start=\"282\" data-end=\"315\"\u003eEfficient LiFePO₄ Technology:\u003c\/strong\u003e Leverages long‑life lithium chemistry for stable performance, safety, and much longer lifespan than conventional batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"442\" data-end=\"599\"\u003e\n\u003cp data-start=\"444\" data-end=\"599\"\u003e\u003cstrong data-start=\"444\" data-end=\"480\"\u003eIdeal for Small to Medium Loads:\u003c\/strong\u003e Well-suited for powering essential home circuits, lighting, small appliances, and emergency backup without overkill.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"600\" data-end=\"769\"\u003e\n\u003cp data-start=\"602\" data-end=\"769\"\u003e\u003cstrong data-start=\"602\" data-end=\"630\"\u003eSmart Energy Management:\u003c\/strong\u003e Integrated BMS ensures safe charging\/discharging, cell balancing, and protection against overcharge, over‑discharge, and thermal issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"770\" data-end=\"892\"\u003e\n\u003cp data-start=\"772\" data-end=\"892\"\u003e\u003cstrong data-start=\"772\" data-end=\"797\"\u003eScalable \u0026amp; Versatile:\u003c\/strong\u003e Good baseline for off‑grid or solar‑plus‑storage setups, easy to expand later if needs grow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"893\" data-end=\"1045\"\u003e\n\u003cp data-start=\"895\" data-end=\"1045\"\u003e\u003cstrong data-start=\"895\" data-end=\"926\"\u003eLow Maintenance \u0026amp; Reliable:\u003c\/strong\u003e Robust, reliable design meant for long‑term use with minimal upkeep — a practical “set-and-forget” storage solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"141\" data-end=\"318\"\u003e\u003cstrong data-start=\"141\" data-end=\"191\"\u003eQ: What is the Big Battery ETHOS ESS used for?\u003c\/strong\u003e\u003cbr data-start=\"191\" data-end=\"194\"\u003eA: Designed for \u003cstrong data-start=\"210\" data-end=\"265\"\u003eresidential, commercial, and off-grid solar systems\u003c\/strong\u003e, providing reliable, high-capacity energy storage.\u003c\/p\u003e\n\u003cp data-start=\"320\" data-end=\"485\"\u003e\u003cstrong data-start=\"320\" data-end=\"358\"\u003eQ: What is the power and capacity?\u003c\/strong\u003e\u003cbr data-start=\"358\" data-end=\"361\"\u003eA: Delivers \u003cstrong data-start=\"373\" data-end=\"399\"\u003e24kW continuous output\u003c\/strong\u003e with \u003cstrong data-start=\"405\" data-end=\"432\"\u003e20.4kWh energy capacity\u003c\/strong\u003e, supporting moderate loads and backup power needs.\u003c\/p\u003e\n\u003cp data-start=\"487\" data-end=\"628\"\u003e\u003cstrong data-start=\"487\" data-end=\"529\"\u003eQ: What battery chemistry does it use?\u003c\/strong\u003e\u003cbr data-start=\"529\" data-end=\"532\"\u003eA: Uses \u003cstrong data-start=\"540\" data-end=\"557\"\u003eLiFePO4 cells\u003c\/strong\u003e, offering \u003cstrong data-start=\"568\" data-end=\"625\"\u003elong cycle life, high efficiency, and enhanced safety\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"630\" data-end=\"778\"\u003e\u003cstrong data-start=\"630\" data-end=\"659\"\u003eQ: Does it include a BMS?\u003c\/strong\u003e\u003cbr data-start=\"659\" data-end=\"662\"\u003eA: Yes, features an \u003cstrong data-start=\"682\" data-end=\"720\"\u003eadvanced Battery Management System\u003c\/strong\u003e for overcharge, over-discharge, and thermal protection.\u003c\/p\u003e\n\u003cp data-start=\"780\" data-end=\"962\"\u003e\u003cstrong data-start=\"780\" data-end=\"837\"\u003eQ: Is it compatible with inverters and solar systems?\u003c\/strong\u003e\u003cbr data-start=\"837\" data-end=\"840\"\u003eA: Yes, integrates seamlessly with \u003cstrong data-start=\"875\" data-end=\"928\"\u003egrid-tied and off-grid inverters and solar setups\u003c\/strong\u003e for flexible energy management.\u003c\/p\u003e\n\u003cp data-start=\"964\" data-end=\"1119\"\u003e\u003cstrong data-start=\"964\" data-end=\"1004\"\u003eQ: How long will the batteries last?\u003c\/strong\u003e\u003cbr data-start=\"1004\" data-end=\"1007\"\u003eA: LiFePO4 chemistry ensures \u003cstrong data-start=\"1036\" data-end=\"1059\"\u003ethousands of cycles\u003c\/strong\u003e, delivering years of reliable, low-maintenance operation.\u003c\/p\u003e\n\u003cp data-start=\"1121\" data-end=\"1308\"\u003e\u003cstrong data-start=\"1121\" data-end=\"1166\"\u003eQ: Why choose the ETHOS 24kW\/20.4kWh ESS?\u003c\/strong\u003e\u003cbr data-start=\"1166\" data-end=\"1169\"\u003eA: Popular for its \u003cstrong data-start=\"1188\" data-end=\"1270\"\u003ecompact design, high reliability, scalable energy storage, and safety features\u003c\/strong\u003e for residential and commercial use.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"189\" data-end=\"313\"\u003e\n\u003cp data-start=\"191\" data-end=\"313\"\u003e\u003cstrong data-start=\"191\" data-end=\"225\"\u003eInspect connections regularly:\u003c\/strong\u003e Check AC\/DC terminals, busbars, and wiring for tightness, corrosion, or dust buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"314\" data-end=\"432\"\u003e\n\u003cp data-start=\"316\" data-end=\"432\"\u003e\u003cstrong data-start=\"316\" data-end=\"347\"\u003eMonitor system performance:\u003c\/strong\u003e Use the BMS or monitoring software to track voltage, temperature, and error codes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"433\" data-end=\"528\"\u003e\n\u003cp data-start=\"435\" data-end=\"528\"\u003e\u003cstrong data-start=\"435\" data-end=\"463\"\u003eMaintain cooling system:\u003c\/strong\u003e Keep fans, vents, and heat sinks clean to prevent overheating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"529\" data-end=\"650\"\u003e\n\u003cp data-start=\"531\" data-end=\"650\"\u003e\u003cstrong data-start=\"531\" data-end=\"552\"\u003eFirmware updates:\u003c\/strong\u003e Apply manufacturer-recommended updates to maintain efficiency, safety, and optimal performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"651\" data-end=\"760\"\u003e\n\u003cp data-start=\"653\" data-end=\"760\"\u003e\u003cstrong data-start=\"653\" data-end=\"673\"\u003eCheck grounding:\u003c\/strong\u003e Ensure proper grounding to prevent electrical hazards and maintain stable operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"761\" data-end=\"899\"\u003e\n\u003cp data-start=\"763\" data-end=\"899\"\u003e\u003cstrong data-start=\"763\" data-end=\"786\"\u003eEnvironmental care:\u003c\/strong\u003e Install and operate in a cool, dry, ventilated area; avoid direct sunlight, moisture, or corrosive conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"900\" data-end=\"1013\"\u003e\n\u003cp data-start=\"902\" data-end=\"1013\"\u003e\u003cstrong data-start=\"902\" data-end=\"922\"\u003eAvoid overloads:\u003c\/strong\u003e Do not exceed the rated 24kW output to protect the ESS and ensure long-term reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":45468170059967,"sku":"K0958","price":12337.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/20-kWh-x4-Batteries-KIT0958.png?v=1775548281","url":"https:\/\/se0yig-03.myshopify.com\/products\/24kw-20-4kwh-ethos-energy-storage-system-ess","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}