Hoymiles Unveils HiBattery 4020 Series: Advanced Home Energy Storage Solution

Hoymiles, a leader in renewable energy technology, has officially launched its HiBattery 4020 series, the third generation of plug-in home energy storage systems. This series introduces two innovative models: the HiBattery 4020 X, which connects directly to solar modules, and the HiBattery 4020 AC, designed to integrate seamlessly with existing home solar setups while providing energy storage capabilities.

Both models of the HiBattery 4020 series stand out with their enhanced battery capacities and advanced protective mechanisms, underscored by a self-developed artificial intelligence algorithm tailored for smart energy management. With the growing demand for renewable energy solutions, these batteries represent a significant step towards safer and more intelligent energy accumulation in residential spaces, ultimately aiding homeowners in reducing their energy expenses.

Key Features of HiBattery 4020 Series


One of the standout attributes of the HiBattery 4020 series is its increased performance and scalability compared to previous plug-in batteries. Each unit has a capacity of 4 kWh, which can be expanded up to 16 kWh using additional modular battery blocks. This potential for expansion allows homeowners to customize their energy storage according to specific needs.

To enhance energy conversion efficiency, both models come equipped with a built-in inverter boasting a power output of 2500 W, achieving a maximum DC/AC efficiency of 96.5%, ensuring that more of the stored solar energy is utilized effectively. The HiBattery 4020 X model includes four MPPT (Maximum Power Point Tracking) inputs capable of handling up to 4 kW of solar input, optimizing solar energy harvesting capacity.

The HiBattery 4020 system significantly reduces reliance on the grid by maximizing self-consumption of solar energy during regular operations. Moreover, it guarantees uninterrupted power supply for essential appliances such as refrigerators and lights during power outages, and is capable of providing energy in off-grid locations such as remote homes or self-sufficient dwellings.

Smart Energy Management with AI-EMS


A pivotal technological advancement within the HiBattery 4020 series is Hoymiles' AI-based Energy Management System (AI-EMS). Built on a proprietary AI model developed from over 30 million parameters, the AI-EMS reframes energy strategies every three hours, factoring in electricity prices, weather forecasts, and household consumption patterns, rather than adhering to rigid daily schedules.

This innovation includes:
  • - AI-TOU Optimization: A three-hour cycle that continuously adjusts charging and discharging strategies to minimize electricity costs.
  • - Energy Ledger: A straightforward visual dashboard that tracks energy consumption, savings, and system performance in real time.

Ensuring Safety and Reliability


Safety is a paramount concern within the HiBattery 4020 series. The systems utilize automotive-grade LiFePO4 cells, supported by a robust Battery Management System (BMS) featuring 48 layers of protection and intelligent cell balancing, ensuring enhanced reliability and security. Additional safety features include:
  • - An integrated aerosol suppression system
  • - Pressure relief and overheating protection
  • - Smart self-heating capabilities that adjust to charging conditions and excess solar energy, maintaining stable operation across temperature ranges from -20 °C to 55 °C
  • - Dust and water resistance with an IP66 rating
  • - DC/DC balancing at the pack level for seamless integration with new and existing battery modules

These features solidify the HiBattery 4020 series’ resilience in various conditions, ensuring dependable performance in everyday life and during unforeseen emergencies. Dr. Yang Bo, CEO of Hoymiles, emphasizes, “Home energy storage systems must prioritize safety to become genuinely accessible. HiBattery is designed to offer reassurance in every situation, from everyday use to unexpected events.”

Economical and eco-friendly, the HiBattery 4020 series will be available for purchase across Europe starting in June 2026. For more information, visit Hoymiles HiBattery 4020 X or Hoymiles HiBattery 4020 AC.

Watch the video launch here and check out the product images here. For additional visuals of Hoymiles, including their logo, click here.

Topics Energy)

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