{"product_id":"ethos-3x-expansion-kit","title":"Big Battery ETHOS 3x Expansion Kit - K0699","description":"\u003ch2\u003e\u003cspan\u003eBig Battery ETHOS 3x Expansion Kit - K0699\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eREVOLUTIONIZING RESIDENTIAL ESS! BigBattery’s 48V ETHOS systems are here, and this 15.36kWh Expansion Kit is the ideal solution for upgrading your current ETHOS System in your home or office. Please note that this Expansion Kit does not include a Control Box, and these 3 stackable battery modules (up to 16 total per Control Box) can be connected in parallel to your ETHOS Control Box to complete an energy storage system that fits your specific power needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis kit comes with the 3 ETHOS battery modules, a rack base, and each power and communication cable needed to easily connect your additional batteries to your existing ETHOS System. \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 \u0026amp; ETHOS Expansion Kits today!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eIncluded \u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003e3 × 48V ETHOS 5.12kWh Stackable Battery Module\u003cbr\u003e1 × ETHOS RACK BASE\u003cbr\u003e1 × Ethos Parallel Comm Cable 4.9 ft (1500mm)\u003cbr\u003e2 × Ethos Parallel Power Cable 4.9 ft (1500mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"109\" data-end=\"293\"\u003e\n\u003cp data-start=\"111\" data-end=\"293\"\u003e\u003cstrong data-start=\"111\" data-end=\"149\"\u003eHigh‑current 24 V lithium charging\u003c\/strong\u003e — Delivers up to \u003cstrong data-start=\"167\" data-end=\"175\"\u003e30 A\u003c\/strong\u003e output, meaning faster and more efficient charging for 24 V LiFePO₄ battery banks compared with lower‑amp chargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"294\" data-end=\"465\"\u003e\n\u003cp data-start=\"296\" data-end=\"465\"\u003e\u003cstrong data-start=\"296\" data-end=\"324\"\u003eWeatherproof IP65 design\u003c\/strong\u003e — Dust‑tight and water‑resistant housing makes it rugged enough for \u003cstrong data-start=\"393\" data-end=\"434\"\u003eoutdoor, off‑grid, marine, or vehicle\u003c\/strong\u003e installations without worry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"466\" data-end=\"627\"\u003e\n\u003cp data-start=\"468\" data-end=\"627\"\u003e\u003cstrong data-start=\"468\" data-end=\"503\"\u003eStable, reliable power delivery\u003c\/strong\u003e — Engineered to maintain consistent, clean output, protecting sensitive lithium battery cells and extending battery life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"628\" data-end=\"756\"\u003e\n\u003cp data-start=\"630\" data-end=\"756\"\u003e\u003cstrong data-start=\"630\" data-end=\"659\"\u003eSimple installation \u0026amp; use\u003c\/strong\u003e — Plug‑and‑play setup with clear connections makes it easy for DIYers and professionals alike.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"757\" data-end=\"909\"\u003e\n\u003cp data-start=\"759\" data-end=\"909\"\u003e\u003cstrong data-start=\"759\" data-end=\"784\"\u003eBuilt‑for versatility\u003c\/strong\u003e — Works well with a variety of 24 V lithium systems, making it a solid choice for solar, RV, boat, or backup power chargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"302\"\u003e\u003cstrong data-start=\"0\" data-end=\"104\"\u003eQ: What is the BigBattery 24 V 110 V AC 30 A IP65 Weatherproof Lithium Charger (29.2 V DC) — PWS014?\u003c\/strong\u003e\u003cbr data-start=\"104\" data-end=\"107\"\u003eA: A heavy-duty, weather-resistant 24 V lithium battery charger that delivers up to 30 A at 29.2 V DC from a standard 110 V AC outlet — ideal for charging compatible 24 V LiFePO₄ battery banks.\u003c\/p\u003e\n\u003cp data-start=\"304\" data-end=\"445\"\u003e\u003cstrong data-start=\"304\" data-end=\"348\"\u003eQ: What environments is it designed for?\u003c\/strong\u003e\u003cbr data-start=\"348\" data-end=\"351\"\u003eA: IP65 weatherproof rating allows safe use outdoors or in dusty, wet, or rugged conditions.\u003c\/p\u003e\n\u003cp data-start=\"447\" data-end=\"635\"\u003e\u003cstrong data-start=\"447\" data-end=\"503\"\u003eQ: What are its power and connection specifications?\u003c\/strong\u003e\u003cbr data-start=\"503\" data-end=\"506\"\u003eA: Input: 110 V AC; Output: 29.2 V DC at up to 30 A; high efficiency (~93%); Anderson-style connector for quick battery hookup.\u003c\/p\u003e\n\u003cp data-start=\"637\" data-end=\"791\"\u003e\u003cstrong data-start=\"637\" data-end=\"692\"\u003eQ: Which batteries is this charger compatible with?\u003c\/strong\u003e\u003cbr data-start=\"692\" data-end=\"695\"\u003eA: Specifically designed for 24 V lithium battery systems requiring a 29.2 V charging profile.\u003c\/p\u003e\n\u003cp data-start=\"793\" data-end=\"1033\"\u003e\u003cstrong data-start=\"793\" data-end=\"827\"\u003eQ: What are the main benefits?\u003c\/strong\u003e\u003cbr data-start=\"827\" data-end=\"830\"\u003eA: Fast and efficient 30 A charging, rugged IP65 all-weather design, compact and portable, and easy plug-and-play connection — suitable for off-grid setups, RVs, trailers, and outdoor battery stations.\u003c\/p\u003e\n\u003cp data-start=\"1035\" data-end=\"1249\"\u003e\u003cstrong data-start=\"1035\" data-end=\"1093\"\u003eQ: Is it suitable for outdoor and mobile applications?\u003c\/strong\u003e\u003cbr data-start=\"1093\" data-end=\"1096\"\u003eA: Yes — weather-resistant build and Anderson connector make it ideal for garages, workshops, trailers, RVs, and other outdoor battery charging setups.\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1422\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1292\"\u003eQ: What safety features are included?\u003c\/strong\u003e\u003cbr data-start=\"1292\" data-end=\"1295\"\u003eA: Over-current, over-voltage, over-temperature, and short-circuit protection to ensure safe charging and prolong battery life.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"197\" data-end=\"325\"\u003e\n\u003cp data-start=\"199\" data-end=\"325\"\u003eInstall the charger in a \u003cstrong data-start=\"224\" data-end=\"253\"\u003edry, well-ventilated area\u003c\/strong\u003e to maintain optimal 24V charging performance and prevent overheating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"326\" data-end=\"444\"\u003e\n\u003cp data-start=\"328\" data-end=\"444\"\u003e\u003cstrong data-start=\"328\" data-end=\"371\"\u003eInspect cables and connectors regularly\u003c\/strong\u003e for wear, corrosion, or looseness to ensure safe and stable operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"445\" data-end=\"544\"\u003e\n\u003cp data-start=\"447\" data-end=\"544\"\u003eClean the exterior with a \u003cstrong data-start=\"473\" data-end=\"492\"\u003esoft, dry cloth\u003c\/strong\u003e; avoid water or solvents despite the IP65 rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"545\" data-end=\"659\"\u003e\n\u003cp data-start=\"547\" data-end=\"659\"\u003eAvoid exposure to \u003cstrong data-start=\"565\" data-end=\"629\"\u003edirect sunlight, extreme temperatures, or prolonged moisture\u003c\/strong\u003e to extend charger lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"660\" data-end=\"759\"\u003e\n\u003cp data-start=\"662\" data-end=\"759\"\u003eDisconnect the charger when \u003cstrong data-start=\"690\" data-end=\"725\"\u003enot in use for extended periods\u003c\/strong\u003e to protect internal components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"760\" data-end=\"871\"\u003e\n\u003cp data-start=\"762\" data-end=\"871\"\u003eEnsure the charger is used with \u003cstrong data-start=\"794\" data-end=\"826\"\u003ecompatible lithium batteries\u003c\/strong\u003e to maintain efficiency and prevent damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":45468171206847,"sku":"K0699","price":4977.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/Ethos-Parallel-Expansion-KIT0699.png?v=1775548321","url":"https:\/\/backyardprovider.com\/products\/ethos-3x-expansion-kit","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}