{"product_id":"eg4-ll-12v-400ah-lifepo4-server-rack-battery","title":"EG4 LL 12V 400Ah LiFePO4 Server Rack Battery - 5.12kWh, 200A BMS, LCD Display","description":"\u003cp data-start=\"137\" data-end=\"512\"\u003eThe EG4 LL 12V 400Ah LiFePO4 Server Rack Battery delivers exceptional reliability and efficiency for energy storage systems, RVs, marine applications, and off-grid setups. Known as the \"Lifetime Lithium\" series, this model offers 5.12kWh of usable capacity, powered by 16 UL-listed 3.2V prismatic LiFePO4 cells and an advanced 200A internal Battery Management System (BMS).\u003c\/p\u003e\n\u003cp data-start=\"514\" data-end=\"896\"\u003eEngineered for longevity, the EG4 LL 12V battery provides over 7,000 deep discharge cycles at 80% Depth of Discharge (DoD) and operates at 99% round-trip efficiency. Designed for ease of use, it features an LCD screen for monitoring vital battery information, plug-and-play connectivity, and selectable closed-loop communication with major inverter brands such as EG4 and Victron.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1147\"\u003eEach battery includes parallel cables and a 1-foot RS485 communication cable, with one RS485 USB comm cable provided for every six batteries purchased. This flexible, scalable energy solution is built to deliver dependable power for over 15 years.\u003c\/p\u003e\n\u003chr data-start=\"1149\" data-end=\"1152\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1173\"\u003e\u003cstrong data-start=\"1154\" data-end=\"1171\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1175\" data-end=\"2055\"\u003e\n\u003cli data-start=\"1175\" data-end=\"1287\"\u003e\n\u003cp data-start=\"1177\" data-end=\"1287\"\u003e\u003cstrong data-start=\"1177\" data-end=\"1202\"\u003eHigh-Capacity Storage\u003c\/strong\u003e - 12.8V, 400Ah (5.12kWh) of reliable energy for home, RV, or marine power systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1392\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1392\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1309\"\u003eLong Cycle Life\u003c\/strong\u003e - Tested for 7,000+ cycles at 80% DoD, ensuring years of dependable performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1393\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1395\" data-end=\"1507\"\u003e\u003cstrong data-start=\"1395\" data-end=\"1418\"\u003eIntegrated 200A BMS\u003c\/strong\u003e - Manages voltage, current, temperature, and overall system health for safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1508\" data-end=\"1598\"\u003e\n\u003cp data-start=\"1510\" data-end=\"1598\"\u003e\u003cstrong data-start=\"1510\" data-end=\"1525\"\u003eLCD Display\u003c\/strong\u003e - Provides real-time data on charge level, voltage, and system status.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1599\" data-end=\"1707\"\u003e\n\u003cp data-start=\"1601\" data-end=\"1707\"\u003e\u003cstrong data-start=\"1601\" data-end=\"1630\"\u003eClosed-Loop Communication\u003c\/strong\u003e - Supports EG4 and Victron inverter integration for optimized performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1708\" data-end=\"1787\"\u003e\n\u003cp data-start=\"1710\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1710\" data-end=\"1729\"\u003eHigh Efficiency\u003c\/strong\u003e - 99% operating efficiency with maximum energy density.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1788\" data-end=\"1876\"\u003e\n\u003cp data-start=\"1790\" data-end=\"1876\"\u003e\u003cstrong data-start=\"1790\" data-end=\"1809\"\u003eScalable Design\u003c\/strong\u003e - Easily expand your system with parallel connection capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1877\" data-end=\"1961\"\u003e\n\u003cp data-start=\"1879\" data-end=\"1961\"\u003e\u003cstrong data-start=\"1879\" data-end=\"1907\"\u003eEnvironmentally Friendly\u003c\/strong\u003e - Lead-free and fully recyclable LiFePO4 chemistry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1962\" data-end=\"2055\"\u003e\n\u003cp data-start=\"1964\" data-end=\"2055\"\u003e\u003cstrong data-start=\"1964\" data-end=\"1984\"\u003eLong Design Life\u003c\/strong\u003e - 10 to 20-year expected lifespan under normal operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2057\" data-end=\"2060\"\u003e\n\u003cp data-start=\"2062\" data-end=\"2083\"\u003e\u003cstrong data-start=\"2062\" data-end=\"2081\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2085\" data-end=\"2432\"\u003e\n\u003cli data-start=\"2085\" data-end=\"2103\"\u003e\n\u003cp data-start=\"2087\" data-end=\"2103\"\u003eVoltage: 12.8V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2104\" data-end=\"2123\"\u003e\n\u003cp data-start=\"2106\" data-end=\"2123\"\u003eCapacity: 400Ah\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2124\" data-end=\"2143\"\u003e\n\u003cp data-start=\"2126\" data-end=\"2143\"\u003eEnergy: 5.12kWh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2144\" data-end=\"2192\"\u003e\n\u003cp data-start=\"2146\" data-end=\"2192\"\u003eBattery Management System: 200A internal BMS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2193\" data-end=\"2253\"\u003e\n\u003cp data-start=\"2195\" data-end=\"2253\"\u003eConfiguration: 16 UL-listed 3.2V LiFePO4 prismatic cells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2254\" data-end=\"2312\"\u003e\n\u003cp data-start=\"2256\" data-end=\"2312\"\u003eDimensions: 6.1 × 19 × 20.2 in (15.5 × 48.2 × 51.3 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2313\" data-end=\"2343\"\u003e\n\u003cp data-start=\"2315\" data-end=\"2343\"\u003eWeight: 98.1 lbs (44.5 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2344\" data-end=\"2389\"\u003e\n\u003cp data-start=\"2346\" data-end=\"2389\"\u003eDesign Life: 7,000 deep cycles at 80% DoD\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2390\" data-end=\"2409\"\u003e\n\u003cp data-start=\"2392\" data-end=\"2409\"\u003eEfficiency: 99%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2410\" data-end=\"2432\"\u003e\n\u003cp data-start=\"2412\" data-end=\"2432\"\u003eWarranty: 10 years\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2434\" data-end=\"2437\"\u003e\n\u003cp data-start=\"2439\" data-end=\"2466\"\u003e\u003cstrong data-start=\"2439\" data-end=\"2464\"\u003eWarranty Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2468\" data-end=\"2725\"\u003eEG4 Electronics provides a 10-year full parts or product replacement warranty from the date of the original inverter (EG4 18kPV-12LV) purchase. Warranty registration or proof of purchase from an authorized EG4 distributor is required to maintain validity.\u003c\/p\u003e\n\u003cp data-start=\"2727\" data-end=\"2908\"\u003eThis warranty covers eligible defects under normal operating conditions. For full terms, exclusions, and registration instructions, refer to EG4’s official warranty documentation.\u003c\/p\u003e\n\u003chr data-start=\"2910\" data-end=\"2913\"\u003e\n\u003cp data-start=\"2915\" data-end=\"2934\"\u003e\u003cstrong data-start=\"2915\" data-end=\"2932\"\u003eUser Manuals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2936\" data-end=\"3379\"\u003e\n\u003cli data-start=\"2936\" data-end=\"3074\"\u003e\n\u003cp data-start=\"2938\" data-end=\"3074\"\u003e\u003ca class=\"decorated-link\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/2026\/2171\/files\/Eg4_Ll_12V_24V_Manual_V2.0.2.pdf?v=1744276300\" target=\"_new\" rel=\"noopener\" data-start=\"2938\" data-end=\"3072\"\u003eEG4 LL 12V\/24V – Manual V2.0.2\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3075\" data-end=\"3213\"\u003e\n\u003cp data-start=\"3077\" data-end=\"3213\"\u003e\u003ca class=\"decorated-link\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/2026\/2171\/files\/Eg4_Ll_12v_Spec_Sheet_V2.0.1.pdf?v=1744276407\" target=\"_new\" rel=\"noopener\" data-start=\"3077\" data-end=\"3211\"\u003eEG4 LL 12V – Spec Sheet V2.0.1\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3214\" data-end=\"3379\"\u003e\n\u003cp data-start=\"3216\" data-end=\"3379\"\u003e\u003ca class=\"decorated-link\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/2026\/2171\/files\/EG4_Installing_Ll-s_With_Other_Battery_Manual.pdf?v=1744276492\" target=\"_new\" rel=\"noopener\" data-start=\"3216\" data-end=\"3377\"\u003eInstalling EG4 LL-S with Other Batteries\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e","brand":"EG4","offers":[{"title":"Default Title","offer_id":47040263880878,"sku":"EG4-LL-S12-400","price":1599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/8605\/8414\/files\/EG4_LL_Lithium_Battery_12V_400AH_Server_Rack_Battery.webp?v=1760574479","url":"https:\/\/www.blueskyyard.com\/products\/eg4-ll-12v-400ah-lifepo4-server-rack-battery","provider":"Blue Sky Yard","version":"1.0","type":"link"}