en.Wedoany.com Reported - Recently, during the 2026 European Smart Energy Expo held in Munich, Germany, BYD made a major announcement by launching its Residential Energy Ecosystem, along with three new ecosystem products: Smart Ecobox, Backup-Box, AC Charging Box, and the new residential storage product Battery-Box Mega, comprehensively upgrading home energy solutions.
The entire ecosystem is built upon the mature architecture of the Battery-Box HVB energy storage battery and the Power-Box TH three-phase hybrid inverter, achieving an upgrade from a single energy storage device to a full-scenario residential energy ecosystem. Among them, the Smart Ecobox is responsible for intelligent scheduling and optimization of home energy; the Backup-Box enables whole-house emergency backup power, ensuring stable electricity supply during outages; and the AC Charging Box bridges the gap between energy storage and new energy vehicle charging, effectively improving photovoltaic energy utilization and household energy self-sufficiency. With this, BYD's residential energy solution has evolved from the traditional "solar + storage" model into a full-chain green energy system integrating power generation, storage, management, backup, and charging.
The newly launched Battery-Box Mega breaks through the limitations of residential storage scenarios, combining residential convenience with commercial and industrial-grade performance, and is adaptable to diverse scenarios such as homes, small factories, farms, shops, and hotels. The product is equipped with inherently safe lithium iron phosphate battery cells, featuring a four-layer safety protection architecture, along with IP66 dust and water resistance and C5-level corrosion protection, enabling stable operation in complex environments including all climates from -20°C to 55°C, coastal high-salt mist areas, and outdoor open spaces.
In terms of usage and maintenance, the Battery-Box Mega offers lifetime liquid-free operation and eliminates the need for regular inspections, supporting modular whole-unit quick replacement. It adopts a DC-coupled architecture, improving operational efficiency by 2%, and when paired with the EMS system, enables various intelligent operating modes such as peak shaving and valley filling, emergency backup power, and maximizing self-consumption of solar energy. The product features a lightweight tower-stacked design, with a single module capacity of 12.5kWh, supporting flexible expansion from 62.4kWh to 262kWh, with no wiring required and easy installation, significantly shortening construction time and reducing initial installation costs.
This new product is paired with BYD's Power-Box TH inverter, featuring 42A high-current MPPT, 200% PV oversizing, and 150% off-grid overload capacity, with backup power switching completed in 10ms. The product covers a broad capacity range from 62.4kWh to 5.24MWh, adapting to various energy storage needs across multiple scenarios.
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