{"product_id":"eg4-wallmount-indoor-battery-ess-48v-314ah-16kwh-ul9540-eg4-flexboss21-hybrid-inverter","title":"EG4-WallMount Indoor Battery ESS | 48V 314Ah | 16kWh | UL9540 | EG4 FlexBOSS21 Hybrid Inverter","description":"\u003csection style=\"font-family: 'Roboto', sans-serif; color: #121212; line-height: 1.6; width: 100%; max-width: 600px; padding: 16px; margin: 0 auto; box-sizing: border-box; overflow-x: hidden;\"\u003e\u003c!-- Product Title --\u003e\n\u003ch1 style=\"color: rgb(19, 49, 175); font-weight: 600; font-size: 24px; margin-bottom: 10px; line-height: 1.2;\"\u003eEG4 314Ah Indoor Battery + FlexBOSS21 ESS System | 16kWh LiFePO₄ Battery | 21kW PV Input | 12kW Hybrid Inverter\u003c\/h1\u003e\n\u003c!-- Product Subtitle --\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 12px; line-height: 1.4;\"\u003eHigh-Capacity Indoor Energy Storage System with 16kWh LiFePO₄ Battery, FlexBOSS21 Hybrid Inverter \u0026amp; Intelligent Energy Management\u003c\/p\u003e\n\u003c!-- Product Description --\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 16px; line-height: 1.5;\"\u003eThe EG4 314Ah Indoor Battery + FlexBOSS21 ESS System is a complete energy storage solution designed to provide reliable backup power, intelligent energy management, and long-term energy independence. Combining the high-capacity 16kWh EG4 WallMount Indoor LiFePO₄ battery with the advanced FlexBOSS21 hybrid inverter, this integrated system delivers exceptional performance for residential and small commercial applications. With up to 21,000W of solar input capacity, 12kW continuous output, three MPPT inputs, and seamless closed-loop communication between battery and inverter, the system maximizes solar production while providing dependable, maintenance-free operation in a compact indoor installation.\u003c\/p\u003e\n\u003c!-- Key Features --\u003e\n\u003ch4 style=\"color: #121212; font-weight: 600; font-size: 16px; margin-bottom: 8px;\"\u003eKey Features:\u003c\/h4\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 16px; font-size: 14px; color: #121212; list-style-type: disc;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eComplete ESS Solution:\u003c\/strong\u003e Fully integrated battery and inverter package engineered for seamless performance and simplified installation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e21,000W Solar Input Capacity:\u003c\/strong\u003e Supports large solar arrays for maximum renewable energy production.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e12kW Continuous Power Output:\u003c\/strong\u003e Delivers reliable energy for whole-home backup and critical loads.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e16kWh LiFePO₄ Battery Storage:\u003c\/strong\u003e High-density lithium iron phosphate battery provides safe, long-lasting energy storage.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eThree Independent MPPT Inputs:\u003c\/strong\u003e Optimizes solar production across multiple PV arrays and roof orientations.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e200A Continuous Output:\u003c\/strong\u003e Supports demanding household appliances and backup power applications.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAdvanced 3rd-Generation BMS:\u003c\/strong\u003e Provides enhanced monitoring, faster response times, and precise cell balancing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAuto-ID Technology:\u003c\/strong\u003e Simplifies installation, commissioning, and system expansion.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eIntegrated Self-Heating Function:\u003c\/strong\u003e Maintains reliable operation and charging performance in cold-weather environments.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eClosed-Loop Communication:\u003c\/strong\u003e Enables seamless coordination between battery and inverter for optimized performance.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eGridBOSS Compatibility:\u003c\/strong\u003e Supports advanced load management, AC coupling, and generator integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Indoor Installation:\u003c\/strong\u003e Wall-mount or floor-mount design with a space-saving IP20-rated enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Technical Specifications --\u003e\n\u003ch4 style=\"color: #121212; font-weight: 600; font-size: 16px; margin-bottom: 8px;\"\u003eIdeal Applications:\u003c\/h4\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 16px; font-size: 14px; color: #121212; list-style-type: disc;\"\u003e\n\u003cli\u003eWhole-home backup power systems\u003c\/li\u003e\n\u003cli\u003eResidential solar energy storage\u003c\/li\u003e\n\u003cli\u003eSmall commercial energy systems\u003c\/li\u003e\n\u003cli\u003eHybrid solar installations\u003c\/li\u003e\n\u003cli\u003eGrid-tied and off-grid energy systems\u003c\/li\u003e\n\u003cli\u003ePeak shaving and utility cost reduction\u003c\/li\u003e\n\u003cli\u003eGenerator-assisted backup power applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- What’s Included --\u003e\n\u003ch4 style=\"color: #121212; font-weight: 600; font-size: 16px; margin-bottom: 8px;\"\u003eWhat’s Included:\u003c\/h4\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 0; font-size: 14px; color: #121212; list-style-type: disc;\"\u003e\n\u003cli\u003e1 × EG4 314Ah Indoor WallMount LiFePO₄ Battery (16kWh)\u003c\/li\u003e\n\u003cli\u003e1 × EG4 FlexBOSS21 Hybrid Inverter\u003c\/li\u003e\n\u003cli\u003eBattery-to-Inverter Communication Components\u003c\/li\u003e\n\u003cli\u003eMonitoring \u0026amp; Connectivity Interfaces\u003c\/li\u003e\n\u003cli\u003eUser Manuals \u0026amp; Installation Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"EG4","offers":[{"title":"Default Title","offer_id":63712754565489,"sku":"K0210","price":7071.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/1272\/3057\/files\/Screenshot2026-05-30at15.59.56.png?v=1780178430","url":"https:\/\/ecogridsupply.com\/products\/eg4-wallmount-indoor-battery-ess-48v-314ah-16kwh-ul9540-eg4-flexboss21-hybrid-inverter","provider":"Eco Grid Supply","version":"1.0","type":"link"}