{"product_id":"eg4-wallmount-314ah-all-weather-battery-flexboss21","title":"EG4 WallMount 314Ah All-Weather Battery + FLEXBOSS21","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 All-Weather Battery + FlexBOSS21 ESS System | 16kWh LiFePO₄ Battery | 21kW PV Input | 16kW 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 Hybrid Energy Storage System with 16kWh All-Weather Battery, FlexBOSS21 Inverter \u0026amp; Advanced Solar 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 All-Weather Battery + FlexBOSS21 ESS System is a premium energy storage solution designed to deliver exceptional performance for residential, commercial, hybrid, and off-grid applications. Combining the rugged 16kWh EG4 WallMount All-Weather LiFePO₄ battery with the powerful FlexBOSS21 hybrid inverter, this integrated system provides intelligent energy management, scalable storage capacity, and industry-leading solar production capabilities. With up to 21,000W of PV input, 16kW continuous output, three MPPT inputs, and seamless closed-loop battery communication, this system is engineered to maximize energy independence while providing reliable, maintenance-free operation in even the most demanding environments.\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 EG4 battery and FlexBOSS21 inverter designed for seamless operation and optimal performance.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e21,000W Solar Input Capacity:\u003c\/strong\u003e Supports large-scale solar arrays for maximum energy production and system flexibility.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e16kW Continuous Power Output:\u003c\/strong\u003e Delivers reliable power for whole-home backup, critical loads, and light commercial applications.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e16kWh LiFePO₄ Battery Storage:\u003c\/strong\u003e High-capacity lithium battery provides dependable long-duration energy storage.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eThree Independent MPPT Inputs:\u003c\/strong\u003e Maximizes solar harvesting efficiency across multiple roof orientations and arrays.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e200A Continuous Battery Output:\u003c\/strong\u003e Supports demanding appliances, HVAC systems, and critical backup loads.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eIP67 Outdoor-Rated Construction:\u003c\/strong\u003e Designed to withstand dust, water, and harsh outdoor conditions.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAdvanced Smart BMS:\u003c\/strong\u003e Active cell balancing improves battery performance, efficiency, and long-term lifespan.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eIntegrated Self-Heating Technology:\u003c\/strong\u003e Maintains reliable operation and charging performance in cold climates.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eBluetooth \u0026amp; Wi-Fi Monitoring:\u003c\/strong\u003e Provides real-time performance tracking and over-the-air firmware updates.\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\u003e8,000+ Cycle Life:\u003c\/strong\u003e Engineered for long-term energy storage performance at 80% depth of discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Technical Specifications --\u003e\u003c!-- Ideal Applications --\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\u003eLight commercial energy management systems\u003c\/li\u003e\n\u003cli\u003eOff-grid homes and remote properties\u003c\/li\u003e\n\u003cli\u003eGrid-tied and hybrid solar installations\u003c\/li\u003e\n\u003cli\u003eGenerator-assisted backup power systems\u003c\/li\u003e\n\u003cli\u003ePeak shaving and utility cost reduction\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 All-Weather 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":63712749486449,"sku":"K0280","price":7518.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/1272\/3057\/files\/Screenshot2026-05-30at15.49.42.png?v=1780177815","url":"https:\/\/ecogridsupply.com\/products\/eg4-wallmount-314ah-all-weather-battery-flexboss21","provider":"Eco Grid Supply","version":"1.0","type":"link"}